US20040173656A1 - Cushion members for a back support - Google Patents
Cushion members for a back support Download PDFInfo
- Publication number
- US20040173656A1 US20040173656A1 US10/791,133 US79113304A US2004173656A1 US 20040173656 A1 US20040173656 A1 US 20040173656A1 US 79113304 A US79113304 A US 79113304A US 2004173656 A1 US2004173656 A1 US 2004173656A1
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- United States
- Prior art keywords
- back support
- internal space
- cushion member
- base
- user
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
- A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
- A45F3/04—Sacks or packs carried on the body by means of two straps passing over the two shoulders
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
- A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
- A45F3/04—Sacks or packs carried on the body by means of two straps passing over the two shoulders
- A45F2003/045—Sacks or packs carried on the body by means of two straps passing over the two shoulders and one additional strap around the waist
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
- A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
- A45F3/12—Shoulder-pads
- A45F2003/122—Back cushioning parts or details of backpacks, e.g. with ventilation
- A45F2003/125—Back cushioning parts or details of backpacks, e.g. with ventilation with ventilation
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
- A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
- A45F3/12—Shoulder-pads
- A45F2003/127—Dorsal or hip pads for the lumbar back or for the waist
Definitions
- the present invention relates to cushion members for a back support, and more particularly to cushion members for a back support provided on various articles such as a rucksack and a chair to well ventilate between a user's back and the back support, so that the perspiration and heat generation by the user can considerably be reduced.
- a rucksack is a bag made of sturdy material and furnished with shoulder straps, and is designed for carrying articles such as camping, fishing or traveling supplies on the back.
- the rucksack comprises a body for keeping articles therein, a pair of shoulder straps attached to the body to be carried on both shoulders of a user, and an opening and closing means, e.g., a zipper to open and close the body.
- a waist belt and a breast belt are provided so that the rucksack can contact close to a user's waist and breast.
- the object of the present invention is to provide cushion members for a back support provided on various articles such as a rucksack and a chair to well ventilate between a user's back and the back support, so that the perspiration and heat generation by the user can considerably be reduced.
- Another object of the present invention is to provide cushion members for a back support, which enables a user to feel cushioned and feel comfortable even after the user's wearing a rucksack or sitting on a chair for a long time.
- a cushion member for a back support provided on one side of articles with which a user's back contacts comprises:
- a base made from hard plastic material
- each of the cushioning elements includes a plurality of ribs forming an internal space therein and a plurality of holes formed by the neighboring ribs and communicated with the internal space.
- FIG. 1 is a front view showing a first embodiment of the present invention
- FIG. 2 is a front view of a rucksack to which the first embodiment of the present invention is applied;
- FIG. 3 is a sectional view along the line A-A of FIG. 2;
- FIG. 4 is a sectional view of a cushioning element of a cushion member according to the present invention.
- FIG. 5 is a front view showing a second embodiment of the present invention.
- FIG. 6 is a sectional view along the line B-B of FIG. 5;
- FIG. 7 is a front view showing a third embodiment of the present invention.
- FIG. 8 is a front view showing a fourth embodiment of the present invention.
- FIG. 9 is a perspective view showing a first embodiment of the cushioning elements according to the present invention.
- FIG. 10 is a perspective view showing a second embodiment of the cushioning elements according to the present invention.
- FIG. 11 is a perspective view showing a third embodiment of the cushioning element according to the present invention.
- FIG. 12 is a perspective view showing a fourth embodiment of the cushioning elements according to the present invention.
- FIGS. 1 to 3 show a first embodiment of the present invention, in which a cushion member ( 1 ) is provided on the back of a rucksack.
- the cushion member can be provided on one side of other various articles such as chairs with which a user's back contacts.
- the cushion member ( 1 ) for a back support comprises a base ( 2 ) made from hard plastic material, which is a substitute for high-density foam sponge and urethane non-woven fabric, and a plurality of cushioning elements ( 3 ) provided on one side of the base ( 2 ) where the user's back contacts to ventilate between the user's back and the back support.
- the cushioning elements ( 3 ) When the cushioning elements ( 3 ) are applied to a rucksack ( 4 ) as shown in FIG. 2, they do not only ventilate between a wearer's back and a back plate of the rucksack ( 5 ), but also diffuse the load of the rucksack ( 4 ) over the entire back of the wearer.
- the base ( 2 ) may be formed in a size to contact the whole user's back. That is, the base ( 2 ) can be provided over the whole back plate ( 5 ) of the rucksack ( 4 ) as in FIGS. 1 and 2.
- the base ( 2 ) can also be formed in a plurality of unit bases to be provided on different parts of the back support where the user's back contacts.
- the cushioning elements ( 3 ) can be provided all over the base ( 2 ) or on a certain part of the base ( 2 ). As shown in FIGS. 1 to 3 , the cushioning elements ( 3 ) can be formed substantially all over the base ( 2 ).
- the cushion member ( 1 ) consists of one unit member, it is convenient and simple to attach it to the back support.
- the base ( 2 ) is divided into two unit bases to be provided on two opposing parts of the back support of the rucksack ( 4 ) or the chair.
- the cushioning elements ( 3 ) be formed to have different heights and widths. That is, as shown in FIG. 6, the cushioning members ( 3 ) on the far edge of the unit base ( 2 ) can be formed to be higher and larger than those formed in the center of the unit base ( 2 ). This makes the wearer feel comfortable while shouldering the rucksack ( 4 ).
- FIG. 8 is a front view of a fourth embodiment within the scope of the present invention, wherein a plurality of the unit bases ( 2 ) are provided on seven different parts of the back support where the user's back contacts.
- air ventilation is accomplished by the cushioning elements ( 3 ) on each of the unit bases ( 2 ) and also can be done through spaces formed among the plurality of the unit bases ( 2 ). Therefore, the effect of ventilation can considerably be enhanced.
- the cushion member ( 1 ) comprises a plurality of unit members ( 6 )
- the rucksack ( 4 ) or the chair can have various designs and provide aesthetic diversity.
- each of the cushioning elements ( 3 ) formed on the base ( 2 ) comprises a plurality of ribs ( 8 ) forming an internal space ( 7 ) therein and a plurality of holes ( 9 ) formed by the neighboring ribs ( 8 ) and communicated with the internal space ( 7 ).
- the ribs ( 8 ) are very important since they serve to keep cushion of the cushioning elements ( 3 ). If the ribs ( 8 ) are too weak in their strength, the cushioning elements ( 3 ) can be easily deformed flat by the weight of goods contained in the rucksack ( 4 ), so that the internal space ( 7 ) can be shut down and air ventilation cannot be made smoothly. Therefore, it is preferable that the ribs ( 8 ) are made from hard plastic material.
- the ribs ( 8 ) should be designed to keep a suitable feeling of wearing and prevent the internal space ( 7 ) from being shut down.
- FIG. 9 shows a first embodiment of the cushioning elements ( 3 ) of the present invention, wherein the cushioning element ( 3 ) is in the form of honeycomb and includes three ribs ( 8 ).
- the ribs ( 8 ) form the internal space ( 7 ) therein and form three holes ( 9 ) communicated with the internal space ( 7 ) laterally. Further, the three ribs ( 8 ) converge to form a flat top surface ( 10 ), which is in contact with the user of the rucksack ( 4 ) or the chair, and another hole ( 11 ) is provided in the center of the flat top surface ( 10 ) to be communicated with the internal space ( 7 ).
- the hole ( 11 ) on the flat top surface ( 10 ) serves to minimize the generation of heat from the user's back by minimizing the contact area with the user's back, rather than to improve ventilation.
- FIG. 10 shows a second embodiment of the cushioning elements ( 3 ) of the present invention, wherein each of the cushioning elements ( 3 ) is in the form of a curved pentahedron and includes four ribs ( 8 ).
- the ribs ( 8 ) form the internal space ( 7 ) therein and form four holes ( 9 ) communicated with the internal space ( 7 ) laterally.
- the four ribs ( 8 ) converge to form a flat top surface ( 10 ), which is in contact with the user of the rucksack ( 4 ) or the chair, and another hole ( 11 ) is provided in the center of the flat top surface ( 10 ) to be communicated with the internal space ( 7 ).
- the hole ( 11 ) on the flat top surface ( 10 ) in FIG. 10 serves to minimize the generation of heat from the user's back by minimizing the contact area with the user's back.
- FIG. 11 shows a third embodiment of the cushioning element ( 3 ) of the present invention, wherein the cushioning element ( 3 ) is in the form of a curved tetrahedron and includes three elastic ribs ( 8 ).
- the elastic ribs ( 8 ) form the internal space ( 7 ) therein and form three holes ( 9 ) communicated with the internal space ( 7 ) laterally.
- the end of each of the three ribs ( 8 ) should be internally curved so that curved ends ( 8 a ) of the ribs ( 8 ) can form a hole ( 11 ) communicated with the internal space ( 7 ).
- the contact area between the cushioning elements ( 3 ) and the user's back can be minimized and the generation of heat and sweat from the user's back can be reduced, since the ribs ( 8 ) do not converge to form any flat surface and stand independently, the ribs ( 8 ) in this embodiment should be designed to be stronger than those in the other embodiments, in consideration of the load imposed thereon.
- FIG. 12 shows a fourth embodiment of the cushioning elements ( 3 ) according to the present invention, wherein the cushioning elements ( 3 ) are consecutively arranged in the form of curved tiles ( 12 ), each of which includes alternately-arranged two vertical elongate holes ( 13 a ) and one horizontal elongate hole ( 13 b ).
- the vertical holes ( 13 a ) and the horizontal holes ( 13 b ) are communicated with the internal space ( 7 ).
- the ventilation through furrows formed between the curved tiles ( 12 ) in the vertical direction of the drawing can be optimized.
- the cushioning elements ( 3 ) can be formed in an overall uniform pattern on one side of the base ( 2 ), but they can be formed to have various shapes depending on where they are located.
- the cushioning elements ( 3 ) may not be formed in a desired shape. Therefore, it is preferable that the cushioning elements ( 3 ) on the edge portions of the base be formed to have different shape from those in the central portions. For example, as shown in FIGS. 1 and 2, the cushioning elements ( 3 ) on the edge portions of the base may be formed to be larger than those in the central portions.
- the cushion members for a back support make a user feel cushioned and comfortable even after the user's wearing a rucksack or sitting on a chair for a long time.
Abstract
Cushion members for a back support are provided on various articles such as a rucksack and a chair to better ventilate between a user's back and the back support, so that the perspiration and heat generation by the user can considerably be reduced. The cushion member for a back support includes a base made from hard plastic material; and a plurality of cushioning elements provided on one side of the base where the user's back contacts, wherein each of the cushioning elements includes a plurality of ribs forming an internal space therein and a plurality of holes formed by the neighboring ribs and communicated with the internal space.
Description
- The present invention relates to cushion members for a back support, and more particularly to cushion members for a back support provided on various articles such as a rucksack and a chair to well ventilate between a user's back and the back support, so that the perspiration and heat generation by the user can considerably be reduced.
- Generally, a rucksack is a bag made of sturdy material and furnished with shoulder straps, and is designed for carrying articles such as camping, fishing or traveling supplies on the back.
- Recently, the rucksack is also being widely used by students for keeping their books and various things.
- The rucksack comprises a body for keeping articles therein, a pair of shoulder straps attached to the body to be carried on both shoulders of a user, and an opening and closing means, e.g., a zipper to open and close the body.
- In case of the rucksack for climbing, in addition to the shoulder straps, a waist belt and a breast belt are provided so that the rucksack can contact close to a user's waist and breast.
- If such a rucksack is filled with various things and worn by the user by the shoulder straps, the load acts backward due to the weight of the articles kept in the rucksack, which leads the rucksack to contact the user's back closely.
- Accordingly, if the rucksack is worn for a long time, the user perspires a lot on his back and the heat comes out, which leads the user to feel fatigue easily and deteriorates the pleasantness of wearing the sack.
- In order to improve the above problems, a rucksack including a back support formed in the shape of meshes has been disclosed in Japanese Patent Publication No. 1991-71881, Japanese Patent Laid-Open No. 1996-242923, Japanese Patent No. 3034502 and Japanese Patent Laid-Open No. 2000-152819.
- However, since such conventional rucksacks included fine meshes in the back supports, the size of the meshes was not sufficient for ventilation and they still gave unpleasantness to the user if worn for a long time.
- Meanwhile, during the summer season when the external temperature and/or humidity is very high, people who spend most of their working time sitting on chairs have no choice but to suffer from the loss of concentration on their work or feel unpleasant due to perspiration and heat generation from their backs while sitting on chairs.
- Accordingly, the object of the present invention is to provide cushion members for a back support provided on various articles such as a rucksack and a chair to well ventilate between a user's back and the back support, so that the perspiration and heat generation by the user can considerably be reduced.
- Another object of the present invention is to provide cushion members for a back support, which enables a user to feel cushioned and feel comfortable even after the user's wearing a rucksack or sitting on a chair for a long time.
- In order to achieve the above objects, according to the present invention, a cushion member for a back support provided on one side of articles with which a user's back contacts comprises:
- a base made from hard plastic material; and
- a plurality of cushioning elements provided on one side of the base where the user's back contacts, wherein each of the cushioning elements includes a plurality of ribs forming an internal space therein and a plurality of holes formed by the neighboring ribs and communicated with the internal space.
- The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention, wherein:
- FIG. 1 is a front view showing a first embodiment of the present invention;
- FIG. 2 is a front view of a rucksack to which the first embodiment of the present invention is applied;
- FIG. 3 is a sectional view along the line A-A of FIG. 2;
- FIG. 4 is a sectional view of a cushioning element of a cushion member according to the present invention;
- FIG. 5 is a front view showing a second embodiment of the present invention;
- FIG. 6 is a sectional view along the line B-B of FIG. 5;
- FIG. 7 is a front view showing a third embodiment of the present invention;
- FIG. 8 is a front view showing a fourth embodiment of the present invention;
- FIG. 9 is a perspective view showing a first embodiment of the cushioning elements according to the present invention;
- FIG. 10 is a perspective view showing a second embodiment of the cushioning elements according to the present invention;
- FIG. 11 is a perspective view showing a third embodiment of the cushioning element according to the present invention; and
- FIG. 12 is a perspective view showing a fourth embodiment of the cushioning elements according to the present invention.
- Reference will now be made in detail to preferred embodiments of the present invention in conjunction with the accompanying drawings.
- FIGS.1 to 3 show a first embodiment of the present invention, in which a cushion member (1) is provided on the back of a rucksack. The cushion member can be provided on one side of other various articles such as chairs with which a user's back contacts.
- The cushion member (1) for a back support comprises a base (2) made from hard plastic material, which is a substitute for high-density foam sponge and urethane non-woven fabric, and a plurality of cushioning elements (3) provided on one side of the base (2) where the user's back contacts to ventilate between the user's back and the back support.
- When the cushioning elements (3) are applied to a rucksack (4) as shown in FIG. 2, they do not only ventilate between a wearer's back and a back plate of the rucksack (5), but also diffuse the load of the rucksack (4) over the entire back of the wearer.
- The base (2) may be formed in a size to contact the whole user's back. That is, the base (2) can be provided over the whole back plate (5) of the rucksack (4) as in FIGS. 1 and 2.
- Further, the base (2) can also be formed in a plurality of unit bases to be provided on different parts of the back support where the user's back contacts.
- The cushioning elements (3) can be provided all over the base (2) or on a certain part of the base (2). As shown in FIGS. 1 to 3, the cushioning elements (3) can be formed substantially all over the base (2).
- Also, in consideration of the structure of human body, it is possible to provide a plurality of the unit bases or the cushioning elements (3) on certain parts of the back support where the user's back contacts, as shown in FIGS. 5, 7 and 8. In this case, as the cushion member (1) consists of one unit member, it is convenient and simple to attach it to the back support.
- In a second and a third embodiment within the scope of the present invention, as shown in FIGS. 5 and 7, the base (2) is divided into two unit bases to be provided on two opposing parts of the back support of the rucksack (4) or the chair.
- When the two unit bases (2) are symmetrically provided on the back support, it is preferable that the cushioning elements (3) be formed to have different heights and widths. That is, as shown in FIG. 6, the cushioning members (3) on the far edge of the unit base (2) can be formed to be higher and larger than those formed in the center of the unit base (2). This makes the wearer feel comfortable while shouldering the rucksack (4).
- FIG. 8 is a front view of a fourth embodiment within the scope of the present invention, wherein a plurality of the unit bases (2) are provided on seven different parts of the back support where the user's back contacts.
- In this case, air ventilation is accomplished by the cushioning elements (3) on each of the unit bases (2) and also can be done through spaces formed among the plurality of the unit bases (2). Therefore, the effect of ventilation can considerably be enhanced.
- In the fourth embodiment, as the cushion member (1) comprises a plurality of unit members (6), it may be troublesome to attach the unit members (6) to various parts of the back support of the rucksack (4) or the chair. However, by diversifying color, size, position, etc. of the unit members (6), the rucksack (4) or the chair can have various designs and provide aesthetic diversity.
- As shown in FIGS. 4 and 9, each of the cushioning elements (3) formed on the base (2) comprises a plurality of ribs (8) forming an internal space (7) therein and a plurality of holes (9) formed by the neighboring ribs (8) and communicated with the internal space (7).
- The ribs (8) are very important since they serve to keep cushion of the cushioning elements (3). If the ribs (8) are too weak in their strength, the cushioning elements (3) can be easily deformed flat by the weight of goods contained in the rucksack (4), so that the internal space (7) can be shut down and air ventilation cannot be made smoothly. Therefore, it is preferable that the ribs (8) are made from hard plastic material.
- On the contrary, if the ribs (8) are too strong, the feeling of wearing can deteriorate.
- Thus, the ribs (8) should be designed to keep a suitable feeling of wearing and prevent the internal space (7) from being shut down.
- FIG. 9 shows a first embodiment of the cushioning elements (3) of the present invention, wherein the cushioning element (3) is in the form of honeycomb and includes three ribs (8). The ribs (8) form the internal space (7) therein and form three holes (9) communicated with the internal space (7) laterally. Further, the three ribs (8) converge to form a flat top surface (10), which is in contact with the user of the rucksack (4) or the chair, and another hole (11) is provided in the center of the flat top surface (10) to be communicated with the internal space (7).
- The hole (11) on the flat top surface (10) serves to minimize the generation of heat from the user's back by minimizing the contact area with the user's back, rather than to improve ventilation.
- FIG. 10 shows a second embodiment of the cushioning elements (3) of the present invention, wherein each of the cushioning elements (3) is in the form of a curved pentahedron and includes four ribs (8). The ribs (8) form the internal space (7) therein and form four holes (9) communicated with the internal space (7) laterally. Further, the four ribs (8) converge to form a flat top surface (10), which is in contact with the user of the rucksack (4) or the chair, and another hole (11) is provided in the center of the flat top surface (10) to be communicated with the internal space (7).
- As in the first embodiment shown in FIG. 9, the hole (11) on the flat top surface (10) in FIG. 10 serves to minimize the generation of heat from the user's back by minimizing the contact area with the user's back.
- FIG. 11 shows a third embodiment of the cushioning element (3) of the present invention, wherein the cushioning element (3) is in the form of a curved tetrahedron and includes three elastic ribs (8). The elastic ribs (8) form the internal space (7) therein and form three holes (9) communicated with the internal space (7) laterally. However, the end of each of the three ribs (8) should be internally curved so that curved ends (8 a) of the ribs (8) can form a hole (11) communicated with the internal space (7).
- In this case, although the contact area between the cushioning elements (3) and the user's back can be minimized and the generation of heat and sweat from the user's back can be reduced, since the ribs (8) do not converge to form any flat surface and stand independently, the ribs (8) in this embodiment should be designed to be stronger than those in the other embodiments, in consideration of the load imposed thereon.
- FIG. 12 shows a fourth embodiment of the cushioning elements (3) according to the present invention, wherein the cushioning elements (3) are consecutively arranged in the form of curved tiles (12), each of which includes alternately-arranged two vertical elongate holes (13 a) and one horizontal elongate hole (13 b). The vertical holes (13 a) and the horizontal holes (13 b) are communicated with the internal space (7).
- According to the fourth embodiment as described above, the ventilation through furrows formed between the curved tiles (12) in the vertical direction of the drawing can be optimized.
- The cushioning elements (3) can be formed in an overall uniform pattern on one side of the base (2), but they can be formed to have various shapes depending on where they are located.
- Specifically, since the flow or the supply of plastic resin is not smooth to the edges of the base provided on the back support during an injection molding, the cushioning elements (3) may not be formed in a desired shape. Therefore, it is preferable that the cushioning elements (3) on the edge portions of the base be formed to have different shape from those in the central portions. For example, as shown in FIGS. 1 and 2, the cushioning elements (3) on the edge portions of the base may be formed to be larger than those in the central portions.
- As described above, according to the present invention, it is possible to provide cushion members for a back support of a rucksack or a chair, which well ventilate between a user's back and the back support and reduce considerably the perspiration and heat generation by the user.
- Further, the cushion members for a back support according to the present invention make a user feel cushioned and comfortable even after the user's wearing a rucksack or sitting on a chair for a long time.
- It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit and scope of the invention. The present invention covers the modifications and variations provided they come within the scope of the appended claims and their equivalents.
Claims (14)
1. A cushion member for a back support provided on one side of articles with
which a user's back contacts comprising:
a base made from hard plastic material; and
a plurality of cushioning elements provided on one side of the base where the user's back contacts,
wherein each of the cushioning elements includes a plurality of ribs forming an internal space therein and a plurality of holes formed by the neighboring ribs and communicated with the internal space.
2. A cushion member for a back support as claimed in claim 1 , wherein the cushioning elements are provided all over the base.
3. A cushion member for a back support as claimed in claim 1 , wherein the cushioning elements are provided on a certain part of the base.
4. A cushion member for a back support as claimed in claim 1 , wherein the base is formed in a size to contact the whole user's back.
5. A cushion member for a back support as claimed in claim 1 , wherein the base is formed in a plurality of unit bases to be provided on different parts of the back support where the user's back contacts.
6. A cushion member for a back support as claimed in claim 1 , wherein each of the cushioning elements is in the form of honeycomb and includes three ribs forming the internal space therein and three holes communicated with the internal space laterally, and a further hole is provided in the center of a surface formed by the convergence of the ribs to be communicated with the internal space.
7. A cushion member for a back support as claimed in claim 1 , wherein each of the cushioning elements is in the form of a curved pentahedron and includes four ribs forming the internal space therein and four holes communicated with the internal space laterally, and a further hole is provided in the center of a surface formed by the convergence of the ribs to be communicated with the internal space.
8. A cushion member for a back support as claimed in claim 1 , wherein each of the cushioning elements is in the form of a curved tetrahedron and includes three elastic ribs forming the internal space therein and three holes communicated with the internal space laterally, with the end of each of the three ribs being internally curved, and curved ends of the ribs forming a further hole communicated with the internal space.
9. A cushion member for a back support as claimed in claim 1 , wherein the cushioning elements are consecutively arranged in the form of curved tiles, each of which includes alternately-arranged two vertical elongate holes and one horizontal elongate hole communicated with the internal space.
10. A cushion member for a back support as claimed in claim 1 , wherein the cushioning elements on edge portions of the base are formed to have different shape from those in central portions.
11. A cushion member for a back support as claimed in claim 2 , wherein the base is formed in a size to contact the whole user's back.
12. A cushion member for a back support as claimed in claim 2 , wherein the base is formed in a plurality of unit bases to be provided on different parts of the back support where the user's back contacts.
13. A cushion member for a back support as claimed in claim 3 , wherein the base is formed in a size to contact the whole user's back.
14. A cushion member for a back support as claimed in claim 3 , wherein the base is formed in a plurality of unit bases to be provided on different parts of the back support where the user's back contacts.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR20-2003-0006468 | 2003-03-05 | ||
KR20-2003-0006468U KR200315240Y1 (en) | 2003-03-05 | 2003-03-05 | Knapsack having means of ventilation |
Publications (1)
Publication Number | Publication Date |
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US20040173656A1 true US20040173656A1 (en) | 2004-09-09 |
Family
ID=32923731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/791,133 Abandoned US20040173656A1 (en) | 2003-03-05 | 2004-03-02 | Cushion members for a back support |
Country Status (3)
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US (1) | US20040173656A1 (en) |
KR (1) | KR200315240Y1 (en) |
CN (1) | CN1268256C (en) |
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US20030196926A1 (en) * | 2001-04-19 | 2003-10-23 | Tobias John W. | Multi-functional base for a plastic, wide-mouth, blow-molded container |
US20040211746A1 (en) * | 2001-04-19 | 2004-10-28 | Graham Packaging Company, L.P. | Multi-functional base for a plastic, wide-mouth, blow-molded container |
US20050274766A1 (en) * | 2004-05-28 | 2005-12-15 | Taiwan Paiho Limited | Back sack with heat dissipation effect |
US20070023470A1 (en) * | 2003-07-21 | 2007-02-01 | Integral Orthopedics Inc. | Backpack |
US20080121674A1 (en) * | 2006-11-28 | 2008-05-29 | Fu-Yuan Yang | Three-dimensional ventilating pad for backpack |
US8127955B2 (en) | 2000-08-31 | 2012-03-06 | John Denner | Container structure for removal of vacuum pressure |
US8152010B2 (en) | 2002-09-30 | 2012-04-10 | Co2 Pac Limited | Container structure for removal of vacuum pressure |
US8381940B2 (en) | 2002-09-30 | 2013-02-26 | Co2 Pac Limited | Pressure reinforced plastic container having a moveable pressure panel and related method of processing a plastic container |
US8584879B2 (en) | 2000-08-31 | 2013-11-19 | Co2Pac Limited | Plastic container having a deep-set invertible base and related methods |
US20150041512A1 (en) * | 2012-03-19 | 2015-02-12 | Husqvarna Ab | Carrier system for a backpack energy source, energy source and backpack energy source assembly |
USD745264S1 (en) * | 2014-12-05 | 2015-12-15 | Nike, Inc. | Backpack |
US9387971B2 (en) | 2000-08-31 | 2016-07-12 | C02Pac Limited | Plastic container having a deep-set invertible base and related methods |
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US11731823B2 (en) | 2007-02-09 | 2023-08-22 | Co2Pac Limited | Method of handling a plastic container having a moveable base |
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CN102824020A (en) * | 2011-06-14 | 2012-12-19 | 韩国拓步股份有限公司 | Human engineering knapsack |
CN105877120A (en) * | 2016-06-14 | 2016-08-24 | 黎明职业大学 | Sport backpack for keeping back dry and comfortable |
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TWI652997B (en) * | 2018-05-04 | 2019-03-11 | 黃振正 | Soft sheet |
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- 2004-03-02 US US10/791,133 patent/US20040173656A1/en not_active Abandoned
- 2004-03-05 CN CNB2004100079062A patent/CN1268256C/en not_active Expired - Fee Related
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US3391413A (en) * | 1965-03-04 | 1968-07-09 | Samuel P. Crane | Spacer sheet and cushion |
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Also Published As
Publication number | Publication date |
---|---|
KR200315240Y1 (en) | 2003-06-02 |
CN1268256C (en) | 2006-08-09 |
CN1537488A (en) | 2004-10-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: KOREA INDUSTRIAL FASTENER CORPORATION, KOREA, REPU Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SEONG, SONG EUN;REEL/FRAME:015045/0705 Effective date: 20040217 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |