US20070057541A1 - Angle-adjusting apparatus for a housing of headrest display - Google Patents
Angle-adjusting apparatus for a housing of headrest display Download PDFInfo
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- US20070057541A1 US20070057541A1 US11/223,040 US22304005A US2007057541A1 US 20070057541 A1 US20070057541 A1 US 20070057541A1 US 22304005 A US22304005 A US 22304005A US 2007057541 A1 US2007057541 A1 US 2007057541A1
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- internal
- housing
- external
- display
- angle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
- B60R11/0229—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes
- B60R11/0235—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes of flat type, e.g. LCD
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0001—Arrangements for holding or mounting articles, not otherwise provided for characterised by position
- B60R2011/0003—Arrangements for holding or mounting articles, not otherwise provided for characterised by position inside the vehicle
- B60R2011/0012—Seats or parts thereof
- B60R2011/0017—Head-rests
Definitions
- the invention relates to an angle-adjusting apparatus for a housing of a headrest display, and more particularly to a housing that is adapted to the headrest in an automobile to allow for a fine adjustment of the view angle.
- the LCD displays have been widely installed in the automobiles. If the display is mounted at the front side of the automobile, it usually mounted on the top of the front panel of the car or embedded therein. The display is pulled out when used. If the display is installed in the area of the rear seat, it will be usually installed at the center handrail of the front seat or under the roof, and the display can be pulled out of the roof when used.
- the rearview mirror can't provide the driver with a complete view of the area behind the vehicle when driving. If the display is installed at the center handrail of the front seat, it will make the limited space of the rear seat even smaller.
- TW 520723 discloses a headrest display 11 that is fixed on a headrest 13 of the front seat by a positioning apparatus 12 . Meanwhile, the view angle of the headrest display 11 can be adjusted by an adjusting apparatus 14 . However, the headrest display 11 protrudes from the rear surface of the headrest 13 , thereby occupying much space and affecting the whole appearance inside the car.
- U.S. Pat. No. 5,507,556 discloses a display 21 that is embedded in the back rest 22 .
- a shift plate 23 is provided within the back rest 22 for fixing the display 21 in place.
- Both sides of the top of the shift plate 23 are pivotally coupled to two projecting ears 24 within the back rest 22 .
- an angle adjustment of the shift plate 23 can be ensured by use of the projecting ears 24 at the top side thereof.
- the adjustment requires a built-in cable wire 25 and other components.
- the back rest 22 has to be tilted backward for angle adjustment of the display 21 . Therefore, the rear seat passengers can't directly adjust the view angle of the display 21 . So, this conventional apparatus is more suitable for the application to the seats of airplanes, but not for the seat of automobiles.
- the display 21 can't be removed for use elsewhere, thereby limiting the range of its use.
- the applicant of the invention discloses a similar apparatus titled “VIEW ANGLE ADJUSTABLE DETACHABLE DISPLAY ASSEMBLY” in US 20050140845. It teaches a display installed at the rear side of the headrest of the front seat. When the display is used by the rear seat passenger, it doesn't occupy much space and won't affect the view of the area behind the vehicle via the rear-view mirror.
- This prior art comprises mainly an external housing, an internal housing and a display. Meanwhile, it is characterized in that the internal housing can be turned at an angle within the external housing. Moreover, the display can be removed out of the internal housing. However, the assembly and the space arrangement of the internal and external housings leave still much to be desired.
- the dimensions of the external housing can't be reduced for the installation of the display on a smaller headrest in a European automobile.
- means for adjusting the view angle by turning the internal housing is too simple. After use for a certain period, the mechanism is easily loosened, thereby affecting the angle-adjusting precision and lowering the service life of this apparatus.
- the inventor of the present invention conducted extensive experiments and tests to overcome the shortcomings and to achieve the installation of the housing on the rear side of a small type headrest.
- a primary object of the invention to provide an angle-adjusting apparatus for a housing of a headrest display that can be embedded in a rear side of a headrest and allow for a convenient adjustment of the display upward or downward for achieving an optimal view angle.
- Another object of the present invention to provide an angle-adjusting apparatus for a housing of a headrest display that includes a plurality of positioning mechanisms to allow for an accurate adjustment of the view angle.
- the apparatus won't be loosened after used for a certain period or when driving on an uneven road, thereby prolonging the service life of the apparatus.
- an angle-adjusting apparatus for a housing of a headrest display comprises:
- an external housing having an opening at the outer side thereof, a cavity being formed and two sleeves being symmetrically arranged at both sides thereof, a spring element being provided at a top and a bottom side of the cavities, the spring element having a first projecting rib longitudinally extending at an internal side thereof;
- an internal housing having a front and a rear portion with an internal room for installing a display, a groove and two positioning sleeves corresponding to the cavities of the external housing being disposed at both sides of the internal housing, the internal housing further having a plurality of second projecting ribs at a position corresponding to the spring element;
- Each of the left and right link elements includes an external and an internal link portion both of which are locked on the external and internal housings, respectively, for a pivotal connection. And the joining end is limited to the lowest point so that a room is reserved to install the display in the small headrest.
- FIG. 1 is a perspective view of a prior art in accordance with TW 520723;
- FIG. 2 is a perspective view of another prior art in accordance with U.S. Pat. No. 5,507,556;
- FIG. 3 is a perspective view of the internal structure of the prior art in accordance with U.S. Pat. No. 5,507,556;
- FIG. 4 is a perspective view of the invention that is embedded in a headrest of an automobile
- FIG. 5 is a perspective view of an angle-adjusting apparatus for a housing of a headrest display in accordance with the invention.
- FIG. 6 is an exploded perspective view of an external and an internal housing in accordance with the invention.
- FIG. 7 is an exploded perspective view of a left link element in accordance with the invention.
- FIG. 8 is an exploded perspective view of the left link element in accordance with the invention that is seen from another side;
- FIG. 9 is a schematic drawing of the assembly of the left link element in accordance with the invention.
- FIG. 10 is a schematic drawing of the assembly of the left link element in accordance with the invention while the internal link portion is aligned with the external link portion;
- FIG. 11 is an exploded perspective view of the external and internal housings in accordance with the invention that is seen from another side;
- FIG. 12 is a perspective assembly view of the external and internal housings of FIG. 11 ;
- FIG. 13 is a side view of the invention by turning the internal housing at a certain angle relative to the external housing;
- FIG. 14 is a side view of the invention by turning the internal housing at another angle relative to the external housing.
- a display module D in accordance with the present invention includes an LCD display 40 , an external housing 50 , and an internal housing 60 three of which are mounted on a rear side of a headrest 30 .
- the LCD display 40 has its specific dimensions.
- the headrest 30 in the European car gets smaller and smaller.
- the key point of the improvement lies in the design of the assembly of the internal and external housings.
- the invention is characterized in the special turning type adjustment positioning structure of the internal and external housings.
- the external housing 50 and the internal housing 60 will be described in detail without the presence of the LCD display 40 .
- the invention includes:
- an external housing 50 having an opening at the outer side thereof, a cavity being formed and two sleeves being symmetrically arranged at both sides thereof, a spring element 53 being provided at a top and a bottom side of the cavities 51 , the spring element 53 having a first projecting rib 531 longitudinally extending at an internal side of the spring element 53 (see FIG. 6 );
- an internal housing 60 consisting of a front and a rear portion 61 , 62 , a recess 63 being formed in the front portion 61 for accepting the LCD display 40 (not shown in FIG. 6 ), a groove 64 and two positioning sleeves 65 corresponding to the cavities 51 of the external housing 50 being disposed at both sides of the internal housing 60 , the internal housing 60 further having a plurality of second projecting ribs 66 at a position corresponding to the spring element 53 , wherein the second projecting ribs 66 in accordance with the embodiment are arranged in such a fan type that the external side is wide and the internal side narrow, and wherein the first projecting rib 531 of the spring element 53 of the external housing 50 can engage into a gap between every two adjacent second projecting ribs 66 ; and
- each of the left and right link elements 70 L, 70 R having an external link portion 71 and an internal link portion 72 .
- left link element 70 L and the right link element 70 R have the same structure except that their opposite symmetric positions are different, only the left link element 70 L is selected for further description with reference to FIGS. 7 through 10 .
- the external link portion 71 includes a wider strip 711 with a sleeve 712 outwardly projecting in the middle thereof.
- a plurality of axial insertion slots 713 is formed on the inner wall of the sleeve 712 while the outer wall of the sleeve 712 includes two first connection pieces 714 each with one fixing hole 7141 at one end thereof.
- the fixing holes 7141 correspond to the sleeves 52 of the external housing 50 ; therefore, the external link portion 71 can be fixed on the external housing 50 by screws 73 , as shown in FIGS. 5 and 6 .
- FIGS. 11 and 12 illustrate how the other right link element 70 R is secured to the external housing 50 and the internal housing 60 . Referring back to FIGS.
- the internal link portion 72 includes a narrower strip 721 with an external protrusion 722 extending outwardly.
- the external protrusion 722 includes a plurality of tongues 723 that are correspondingly engaged into the axial insertion slots 713 of the external link portion 71 .
- the narrower strip 721 further includes a second connecting piece 724 perpendicularly extending from an internal side thereof.
- a fixing hole 7241 is formed in the second connecting piece 724 .
- a fourth projecting rib 725 corresponding to a plurality of third projecting ribs 715 of the wider strip 711 is longitudinally formed on an external side of the internal link portion 72 .
- the internal link portion 72 is inclined in such a manner that its tongues 723 can engage into the axial insertion slots 713 of the external link portion 71 .
- the internal link portion 72 is pivotally secured to the external side of the axial insertion slots 713 .
- the narrower strip 721 is turned to an upright position such that it rests on an internal side of the wider strip 711 .
- the left link element 70 L and the right link element 70 R are illustrated in FIG. 6 .
- FIGS. 11 and 12 illustrate only the right link element 70 R.
- the left link element 70 L corresponds to the right link element 70 R in a symmetric manner so that no further descriptions are given hereinafter.
- the second connecting piece 724 of the internal link portion 72 is locked by screws 74 in the groove 64 and the positioning sleeves (not shown in FIG. 11 ) of the internal housing 60 .
- the internal housing 60 is tilted in such a way that the left link element 70 L and the right link element 70 R fit into the cavities 51 of the external housing 50 , respectively.
- the first connection pieces 714 are locked by screws 73 on the sleeves 52 , respectively. In this way, the internal housing 60 is pivotally coupled to the inside of the external housing 50 .
- the first positioning mechanism is that the external protrusion 722 of the internal link portion 72 locked within the internal housing 60 fits into the sleeve 712 of the external link portion 71 locked within the external housing 50 .
- the tongues 723 By turning the tongues 723 at one angle to engage on the external side of the axial insertion slots 713 , the external link portion 71 and the internal link portion 72 are joined in place.
- the second positioning mechanism is that the gaps between the adjacent third projecting ribs 715 at the inner side of the wider strip 711 of the external link portion 71 are adapted to accept the longitudinal fourth projecting ribs 725 of the narrower strip 721 of the internal link portion 72 , thereby creating a multi-stage positioning mechanism.
- the third positioning mechanism is that the second projecting ribs 66 are disposed at the top and bottom sides of the internal housing 60 in such a fan type that the external side is wide and the internal side narrow. Meanwhile, the gaps between every two adjacent second projecting ribs 66 can be used to lock the first projecting rib 531 of the spring element 53 on the external housing 50 in place.
- the above-mentioned positioning mechanisms can simultaneously work when the angle adjustment of the internal housing 60 receiving the display is made relative to the external housing 50 . In this way, a high stability is ensured and a shaking action is avoided.
- the whole link structure is skillfully disposed within a space between the external housing 50 and the internal housing 60 , thereby minimizing the dimensions of the whole structure for a smooth insertion of the display into the rear side of the headrest 30 .
- the sample of the invention can be exactly fitted to the rear side of the headrest 30 , thereby creating a convenient view angle adjusting mechanism.
Abstract
An angle-adjusting apparatus for a housing of a headrest display, comprising an external housing having an opening at the outer side thereof, a cavity being formed and two sleeves being symmetrically arranged at both sides thereof, a spring element being provided at a top and a bottom side of the cavities, the spring element having a first projecting rib longitudinally extending at an internal side thereof; an internal housing having a front and a rear portion with an internal room for installing a display, a groove and two positioning sleeves corresponding to the cavities of the external housing being disposed at both sides of the internal housing, the internal housing further having a plurality of second projecting ribs at a position corresponding to the spring element; and a left link element and a right link element formed in a symmetric manner and received within the cavities of the external housing, respectively. Each of the left and right link elements includes an external and internal link portion both of which are locked on the external and internal housings, respectively, for a pivotal connection. And the joining end is limited to the lowest point so that a room is reserved to install the display in the small headrest. Moreover, the contact at both sides includes a plurality of engaging and positioning points to allow for a precise angle-adjustment and to protect from loosening due to the rocking action when driving. Accordingly, an optimal view angle can be achieved.
Description
- 1. Field of the Invention
- The invention relates to an angle-adjusting apparatus for a housing of a headrest display, and more particularly to a housing that is adapted to the headrest in an automobile to allow for a fine adjustment of the view angle.
- 2. Description of the Related Art
- For the recent years, miniaturization features the developments of the display. The LCD displays have been widely installed in the automobiles. If the display is mounted at the front side of the automobile, it usually mounted on the top of the front panel of the car or embedded therein. The display is pulled out when used. If the display is installed in the area of the rear seat, it will be usually installed at the center handrail of the front seat or under the roof, and the display can be pulled out of the roof when used.
- If the display is installed under the roof for the rear seat passengers, the rearview mirror can't provide the driver with a complete view of the area behind the vehicle when driving. If the display is installed at the center handrail of the front seat, it will make the limited space of the rear seat even smaller.
- As shown in
FIG. 1 , TW 520723 discloses aheadrest display 11 that is fixed on aheadrest 13 of the front seat by apositioning apparatus 12. Meanwhile, the view angle of theheadrest display 11 can be adjusted by an adjustingapparatus 14. However, the headrest display 11 protrudes from the rear surface of theheadrest 13, thereby occupying much space and affecting the whole appearance inside the car. - As shown in
FIGS. 2 and 3 , U.S. Pat. No. 5,507,556 discloses adisplay 21 that is embedded in theback rest 22. Ashift plate 23 is provided within theback rest 22 for fixing thedisplay 21 in place. Both sides of the top of theshift plate 23 are pivotally coupled to two projectingears 24 within theback rest 22. Thus, an angle adjustment of theshift plate 23 can be ensured by use of the projectingears 24 at the top side thereof. However, the adjustment requires a built-incable wire 25 and other components. Meanwhile, theback rest 22 has to be tilted backward for angle adjustment of thedisplay 21. Therefore, the rear seat passengers can't directly adjust the view angle of thedisplay 21. So, this conventional apparatus is more suitable for the application to the seats of airplanes, but not for the seat of automobiles. Moreover, thedisplay 21 can't be removed for use elsewhere, thereby limiting the range of its use. - The applicant of the invention discloses a similar apparatus titled “VIEW ANGLE ADJUSTABLE DETACHABLE DISPLAY ASSEMBLY” in US 20050140845. It teaches a display installed at the rear side of the headrest of the front seat. When the display is used by the rear seat passenger, it doesn't occupy much space and won't affect the view of the area behind the vehicle via the rear-view mirror. This prior art comprises mainly an external housing, an internal housing and a display. Meanwhile, it is characterized in that the internal housing can be turned at an angle within the external housing. Moreover, the display can be removed out of the internal housing. However, the assembly and the space arrangement of the internal and external housings leave still much to be desired. Accordingly, the dimensions of the external housing can't be reduced for the installation of the display on a smaller headrest in a European automobile. In addition, means for adjusting the view angle by turning the internal housing is too simple. After use for a certain period, the mechanism is easily loosened, thereby affecting the angle-adjusting precision and lowering the service life of this apparatus.
- In view of the foregoing shortcomings of the prior art, the inventor of the present invention conducted extensive experiments and tests to overcome the shortcomings and to achieve the installation of the housing on the rear side of a small type headrest.
- A primary object of the invention to provide an angle-adjusting apparatus for a housing of a headrest display that can be embedded in a rear side of a headrest and allow for a convenient adjustment of the display upward or downward for achieving an optimal view angle.
- Another object of the present invention to provide an angle-adjusting apparatus for a housing of a headrest display that includes a plurality of positioning mechanisms to allow for an accurate adjustment of the view angle. In addition, the apparatus won't be loosened after used for a certain period or when driving on an uneven road, thereby prolonging the service life of the apparatus.
- In order to achieve the above-mentioned objects, an angle-adjusting apparatus for a housing of a headrest display comprises:
- a) an external housing having an opening at the outer side thereof, a cavity being formed and two sleeves being symmetrically arranged at both sides thereof, a spring element being provided at a top and a bottom side of the cavities, the spring element having a first projecting rib longitudinally extending at an internal side thereof;
- b) an internal housing having a front and a rear portion with an internal room for installing a display, a groove and two positioning sleeves corresponding to the cavities of the external housing being disposed at both sides of the internal housing, the internal housing further having a plurality of second projecting ribs at a position corresponding to the spring element; and
- c) a left link element and a right link element formed in a symmetric manner and received within the cavities of the external housing, respectively. Each of the left and right link elements includes an external and an internal link portion both of which are locked on the external and internal housings, respectively, for a pivotal connection. And the joining end is limited to the lowest point so that a room is reserved to install the display in the small headrest.
-
FIG. 1 is a perspective view of a prior art in accordance with TW 520723; -
FIG. 2 is a perspective view of another prior art in accordance with U.S. Pat. No. 5,507,556; -
FIG. 3 is a perspective view of the internal structure of the prior art in accordance with U.S. Pat. No. 5,507,556; -
FIG. 4 is a perspective view of the invention that is embedded in a headrest of an automobile; -
FIG. 5 is a perspective view of an angle-adjusting apparatus for a housing of a headrest display in accordance with the invention; -
FIG. 6 is an exploded perspective view of an external and an internal housing in accordance with the invention; -
FIG. 7 is an exploded perspective view of a left link element in accordance with the invention; -
FIG. 8 is an exploded perspective view of the left link element in accordance with the invention that is seen from another side; -
FIG. 9 is a schematic drawing of the assembly of the left link element in accordance with the invention; -
FIG. 10 is a schematic drawing of the assembly of the left link element in accordance with the invention while the internal link portion is aligned with the external link portion; -
FIG. 11 is an exploded perspective view of the external and internal housings in accordance with the invention that is seen from another side; -
FIG. 12 is a perspective assembly view of the external and internal housings ofFIG. 11 ; -
FIG. 13 is a side view of the invention by turning the internal housing at a certain angle relative to the external housing; and -
FIG. 14 is a side view of the invention by turning the internal housing at another angle relative to the external housing. - Referring to
FIG. 4 , a display module D in accordance with the present invention includes anLCD display 40, anexternal housing 50, and aninternal housing 60 three of which are mounted on a rear side of aheadrest 30. TheLCD display 40 has its specific dimensions. Theheadrest 30 in the European car gets smaller and smaller. In order to install theoriginal LCD display 40 in theheadrest 30 and have the function of adjusting view angle, the key point of the improvement lies in the design of the assembly of the internal and external housings. The invention is characterized in the special turning type adjustment positioning structure of the internal and external housings. In a following embodiment, theexternal housing 50 and theinternal housing 60 will be described in detail without the presence of theLCD display 40. - As shown in
FIGS. 5 and 6 , the invention includes: - an
external housing 50 having an opening at the outer side thereof, a cavity being formed and two sleeves being symmetrically arranged at both sides thereof, aspring element 53 being provided at a top and a bottom side of thecavities 51, thespring element 53 having a first projectingrib 531 longitudinally extending at an internal side of the spring element 53 (seeFIG. 6 ); - an
internal housing 60 consisting of a front and arear portion recess 63 being formed in thefront portion 61 for accepting the LCD display 40 (not shown inFIG. 6 ), agroove 64 and two positioningsleeves 65 corresponding to thecavities 51 of theexternal housing 50 being disposed at both sides of theinternal housing 60, theinternal housing 60 further having a plurality of second projectingribs 66 at a position corresponding to thespring element 53, wherein the second projectingribs 66 in accordance with the embodiment are arranged in such a fan type that the external side is wide and the internal side narrow, and wherein the first projectingrib 531 of thespring element 53 of theexternal housing 50 can engage into a gap between every two adjacent second projectingribs 66; and - a
left link element 70L and aright link element 70R formed in a symmetric manner and received within thecavities 51 of theexternal housing 50, respectively, each of the left andright link elements external link portion 71 and aninternal link portion 72. - Since the
left link element 70L and theright link element 70R have the same structure except that their opposite symmetric positions are different, only theleft link element 70L is selected for further description with reference toFIGS. 7 through 10 . - The
external link portion 71 includes awider strip 711 with asleeve 712 outwardly projecting in the middle thereof. A plurality ofaxial insertion slots 713 is formed on the inner wall of thesleeve 712 while the outer wall of thesleeve 712 includes twofirst connection pieces 714 each with onefixing hole 7141 at one end thereof. The fixing holes 7141 correspond to thesleeves 52 of theexternal housing 50; therefore, theexternal link portion 71 can be fixed on theexternal housing 50 byscrews 73, as shown inFIGS. 5 and 6 .FIGS. 11 and 12 illustrate how the otherright link element 70R is secured to theexternal housing 50 and theinternal housing 60. Referring back toFIGS. 7 and 8 , theinternal link portion 72 includes anarrower strip 721 with anexternal protrusion 722 extending outwardly. Theexternal protrusion 722 includes a plurality oftongues 723 that are correspondingly engaged into theaxial insertion slots 713 of theexternal link portion 71. Moreover, thenarrower strip 721 further includes a second connectingpiece 724 perpendicularly extending from an internal side thereof. A fixinghole 7241 is formed in the second connectingpiece 724. Meanwhile, a fourth projectingrib 725 corresponding to a plurality of third projectingribs 715 of thewider strip 711 is longitudinally formed on an external side of theinternal link portion 72. - Further, as shown in
FIGS. 9 and 10 , theinternal link portion 72 is inclined in such a manner that itstongues 723 can engage into theaxial insertion slots 713 of theexternal link portion 71. By turning it at a certain angle, theinternal link portion 72 is pivotally secured to the external side of theaxial insertion slots 713. Thereafter, thenarrower strip 721 is turned to an upright position such that it rests on an internal side of thewider strip 711. After assembly, theleft link element 70L and theright link element 70R are illustrated inFIG. 6 . - Still, as shown in
FIGS. 11 and 12 , the joined link elements are fitted to both sides of theinternal housing 60.FIGS. 11 and 12 illustrate only theright link element 70R. Theleft link element 70L corresponds to theright link element 70R in a symmetric manner so that no further descriptions are given hereinafter. First of all, the second connectingpiece 724 of theinternal link portion 72 is locked byscrews 74 in thegroove 64 and the positioning sleeves (not shown inFIG. 11 ) of theinternal housing 60. Then, theinternal housing 60 is tilted in such a way that theleft link element 70L and theright link element 70R fit into thecavities 51 of theexternal housing 50, respectively. Finally, thefirst connection pieces 714 are locked byscrews 73 on thesleeves 52, respectively. In this way, theinternal housing 60 is pivotally coupled to the inside of theexternal housing 50. - As shown in
FIGS. 13 and 14 , three positioning and adjusting mechanisms are present between theinternal housing 60 and theexternal housing 50. The first positioning mechanism is that theexternal protrusion 722 of theinternal link portion 72 locked within theinternal housing 60 fits into thesleeve 712 of theexternal link portion 71 locked within theexternal housing 50. By turning thetongues 723 at one angle to engage on the external side of theaxial insertion slots 713, theexternal link portion 71 and theinternal link portion 72 are joined in place. The second positioning mechanism is that the gaps between the adjacent third projectingribs 715 at the inner side of thewider strip 711 of theexternal link portion 71 are adapted to accept the longitudinal fourth projectingribs 725 of thenarrower strip 721 of theinternal link portion 72, thereby creating a multi-stage positioning mechanism. The third positioning mechanism is that the second projectingribs 66 are disposed at the top and bottom sides of theinternal housing 60 in such a fan type that the external side is wide and the internal side narrow. Meanwhile, the gaps between every two adjacent second projectingribs 66 can be used to lock the first projectingrib 531 of thespring element 53 on theexternal housing 50 in place. Thus, the above-mentioned positioning mechanisms can simultaneously work when the angle adjustment of theinternal housing 60 receiving the display is made relative to theexternal housing 50. In this way, a high stability is ensured and a shaking action is avoided. Besides, the whole link structure is skillfully disposed within a space between theexternal housing 50 and theinternal housing 60, thereby minimizing the dimensions of the whole structure for a smooth insertion of the display into the rear side of theheadrest 30. In addition, the sample of the invention can be exactly fitted to the rear side of theheadrest 30, thereby creating a convenient view angle adjusting mechanism. - Many changes and modifications in the above-described embodiment of the invention can, of course, be carried out without departing from the scope thereof. Accordingly, to promote the progress in science and the useful arts, the invention is disclosed and is intended to be limited only by the scope of the appended claims.
Claims (3)
1. An angle-adjusting apparatus for a housing of a headrest display, comprising:
a) an external housing having an opening at the outer side thereof, a cavity being formed and two sleeves being symmetrically arranged at both sides thereof, a spring element being provided at a top and a bottom side of the cavities, the spring element having a first projecting rib longitudinally extending at an internal side thereof;
b) an internal housing having a front and a rear portion with an internal room for installing a display, a groove and two positioning sleeves corresponding to the cavities of the external housing being disposed at both sides of the internal housing, the internal housing further having a plurality of second projecting ribs at a position corresponding to the spring element; and
c) a left link element and a right link element formed in a symmetric manner and received within the cavities of the external housing, respectively, and each of the left and right link elements including;
i) an external link portion having a wider strip with a sleeve outwardly projecting in the middle thereof, a plurality of axial insertion slots being formed on the inner wall of the sleeve, the outer wall of the sleeve including two first connection pieces each with one fixing hole at one end thereof, the fixing holes corresponding to the sleeves of the external housing such that the external link portion can be fixed on the external housing by screws, a plurality of third projecting ribs being disposed at a top and a bottom end of the inner side of the wider strip of the external link portion; and
ii) an internal link portion having a narrower strip with an external protrusion extending outwardly, the external protrusion including a plurality of tongues that are correspondingly engaged into the axial insertion slots of the external link portion wherein, by turning the tongues at a certain angle, the internal link portion is pivotally secured to the external side of the axial insertion slots, and wherein the narrower strip is turned to an upright position such that it rests on an internal side of the wider strip, and wherein a fourth projecting ribs corresponding to the third projecting ribs of the wider strip is longitudinally formed on an external side of the internal link portion, and wherein the narrower strip further includes a second connecting piece perpendicularly extending from an internal side thereof, and wherein a fixing hole is formed in the second connecting piece, and wherein the second connecting pieces corresponding to the positioning sleeves of the internal housing are fixed by screws on the internal housing.
2. The angle-adjusting apparatus for a housing of a headrest display as recited in claim 1 wherein a plurality of second projecting ribs is disposed at both sides of the internal housing in such a fan type that the external side is wide and the internal side narrow, and wherein the gaps between every two adjacent second projecting ribs are adapted to lock the first projecting rib of the spring element in place.
3. The angle-adjusting apparatus for a housing of a headrest display as recited in claim 1 wherein a plurality of third projecting ribs is disposed at a top and a bottom end of the internal side of the external link portion in such a fan type that the external side is wide and the internal side narrow, and wherein the gaps between every two adjacent third projecting ribs are adapted to correspondingly lock the fourth projecting rib of the narrower strip in place.
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US11/223,040 US20070057541A1 (en) | 2005-09-12 | 2005-09-12 | Angle-adjusting apparatus for a housing of headrest display |
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US11/223,040 US20070057541A1 (en) | 2005-09-12 | 2005-09-12 | Angle-adjusting apparatus for a housing of headrest display |
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US20070057541A1 true US20070057541A1 (en) | 2007-03-15 |
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US11/223,040 Abandoned US20070057541A1 (en) | 2005-09-12 | 2005-09-12 | Angle-adjusting apparatus for a housing of headrest display |
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Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
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US20070052618A1 (en) * | 2003-05-15 | 2007-03-08 | Samsung Electronics Co., Ltd. | Entertainment system mountable in a vehicle seat |
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US7894003B2 (en) | 2000-11-14 | 2011-02-22 | Chang Chung L | Flat thin screen TV/monitor automotive roof mount |
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US20140209648A1 (en) * | 2013-01-29 | 2014-07-31 | Airbus Operations Gmbh | Holding Arrangement For A Mobile Device, Passenger Seat With A Holding Arrangement For A Mobile Device And Vehicle |
US9315157B2 (en) * | 2013-01-29 | 2016-04-19 | Airbus Operations Gmbh | Holding arrangement for a mobile device, passenger seat with a holding arrangement for a mobile device and vehicle |
US9421892B1 (en) * | 2015-01-29 | 2016-08-23 | Toyota Motor Engineering & Manufacturing North America, Inc. | Headrest with retainer |
WO2019185484A1 (en) * | 2018-03-26 | 2019-10-03 | Robert Bosch Gmbh | Holding system for fastening a screen to a carrier element of a vehicle, screen system |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: HEXA-CHAIN CO., LTD., TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HUANG, FU-RUEI;REEL/FRAME:016813/0057 Effective date: 20050609 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO PAY ISSUE FEE |