WO2002036909A2 - Push-push latch - Google Patents
Push-push latch Download PDFInfo
- Publication number
- WO2002036909A2 WO2002036909A2 PCT/US2001/048490 US0148490W WO0236909A2 WO 2002036909 A2 WO2002036909 A2 WO 2002036909A2 US 0148490 W US0148490 W US 0148490W WO 0236909 A2 WO0236909 A2 WO 0236909A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- push
- housing
- hook
- shuttle
- latch according
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/02—Automatic catches, i.e. released by pull or pressure on the wing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/02—Automatic catches, i.e. released by pull or pressure on the wing
- E05C19/022—Released by pushing in the closing direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S292/00—Closure fasteners
- Y10S292/04—Automatic release latches
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/08—Bolts
- Y10T292/0911—Hooked end
- Y10T292/0913—Sliding and swinging
- Y10T292/0914—Operating means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/08—Bolts
- Y10T292/0911—Hooked end
- Y10T292/0926—Spring projected
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/08—Bolts
- Y10T292/0911—Hooked end
- Y10T292/0926—Spring projected
- Y10T292/0928—Operating means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/08—Bolts
- Y10T292/096—Sliding
- Y10T292/1014—Operating means
- Y10T292/1022—Rigid
- Y10T292/1028—Sliding catch
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/68—Keepers
- Y10T292/696—With movable dog, catch or striker
- Y10T292/702—Pivoted or swinging
Definitions
- the invention is a latch wherein latching and unlatching are accomplished by an inward push of a keeper into the latch housing.
- the present invention is a latch wherein latching and unlatching are controlled by an inward push by the keeper towards the latch, generally known as a push-push latch.
- the latch includes a housing, containing a hook beam, a shuttle opposite the hook beam, and a compression spring, for biasing the shuttle upward within the housing.
- the latch mates with a corresponding keeper to secure a moving member, such as a door or drawer, to a nonmoving member, such as the frame of the door or drawer.
- the latch will typically be secured to the nonmoving member, with the keeper secured to the moving member, but the opposite arrangement will work equally well. It should be noted that the following summary refers to a top, bottom, left, right, etc. for simplicity of reference only, and not to imply that the orientation of the latch is critical to its function.
- the housing is generally rectangular, and is preferably made of one-piece construction.
- the housing is in the form of a shell defining a cavity having an interior, and an opening in its top surface.
- the housing has a pair of opposing openings in its front and back surfaces.
- a pair of opposing snap legs extends downward and inward into the housing from the top edges of the opposing openings.
- a second pair of opposing snap legs extends upward and outward from the bottom of the housing's left and right sides, ending with a ridged surface.
- the front of the housing further has an additional opening on the same side of the housing as the hook beam.
- a resilient finger extends from the bottom edge of the opening upward and slightly inward.
- the bottom of the housing also has a ramp located at the bottom rear corner of the interior below the shuttle of the latch and to one side of the spring. The ramp forms an inclined plane which slants upward in back of the spring and shuttle of the latch.
- the hook beam is located within the housing, extending from the top opening towards the bottom of the housing.
- the hook beam includes a top hook for engaging the keeper, described below.
- the hook includes a flange extending to one side.
- a small detent boss projects from the side of the hook opposite the flange.
- the hook beam also includes a stem.
- the stem includes a central projection which extends outward towards the shuttle and which preferably has a flat top side.
- the bottom end of the hook beam further includes a pivot, which is preferably a pair of bosses projecting from either side of the bottom end of the hook beam.
- the pivot bosses of the hook beam are positioned between the inner snap legs and the bottom of the front and back openings. The motion of the bottom end of the hook beam is rather complex.
- the projection preferably has a hook shape.
- the shuttle is located opposite the top hook.
- the bottom portion of the shuttle defines a channel for guiding the compression spring, which abuts the bottom of the housing.
- the top of the shuttle includes a top surface for making
- the latch will typically be installed within a socket.
- the socket is shaped to correspond with the shape of the housing, to prevent misalignment of the latch.
- the ridges on the outer snap legs will engage the edges of the socket, securing the latch within the socket.
- the keeper is then inserted into the latch, where it is secured therein as described below.
- the adhesive backing of the keeper is exposed, and the moving member to be secured by the latch is brought into its closed position, in contact with the adhesive. When the adhesive is dry, the keeper will be secured in the proper position to engage the latch.
- the latching and unlatching cycle begins with the hook beam in its upward vertical position, against one side of the housing opposite the shuttle.
- the moving member is moved into its closed position, thereby bringing the keeper and latch together, and inserting the keeper's hook into the latch.
- the keeper pushes the shuttle toward the bottom of the housing, causing the shuttle's : skirt to push against the hook beam's bottom arm, rotating the hook beam's top hook into engagement with the keeper's hook.
- the detent boss near the hooked end of the beam is snapped onto the left side of the resilient finger of the housing thereby ensuring the proper position of the hook beam's top hook for engagement with the keeper's hook.
- the moving member is again pushed inward, thereby causing the keeper to push the shuttle inward.
- the overhang of the top portion of the shuttle pushes down on the hook beam's central projection, causing the hook beam to move down.
- the perpendicular projection or arm at the bottom of the hook beam contacts the ramp of the housing which creates a reaction force which rotates the top hook and stem of the hook beam away from the hook of the keeper which allows the keeper's hook to exit the latch.
- the detent boss at the top of the stem of the hook beam is snapped into the right side of the resilient finger of the housing.
- the shuttle moves fully forward.
- FIG. 1 is a perspective view of a latch assembly according to the present invention.
- FIG. 3 is a bottom view of a latch assembly and keeper according to the present invention.
- FIG. 5 is a left side view of a latch assembly and keeper according to the present invention.
- FIG. 6 is a front view of a latch assembly and keeper according to the present invention.
- FK3.7 is a back view of a latch assembly and keeper according to the present invention
- i FIG, 8 is a perspective view a latch assembly according to the present invention.
- FIG. 9 is a left side view of a latch assembly according to the present invention.
- FIG. 10 is a right side view of a latch assembly according to the present invention.
- FIG. 13 is a front view of a latch assembly according to the present invention.
- FIG. 15 is a perspective view of the hook beam for a latch assembly according to the present invention.
- FIG. 16 is a top view of the hook beam for a latch assembly according to the present invention.
- FIG. 34 is a rear view of a latch assembly according to the present invention, with the housing broken away to show the position of the parts at the beginning of the latching cycle.
- the housing 12 is illustrated.
- the housing 12 is of one-piece construction, having a front 22, back 24, a right side 26, a left side 28, a top 30, and a bottom 32.
- the top 30 defines an opening 34, having a narrow portion 36 corresponding to the right side 26 of the housing 12, and a wide portion 38 corresponding to the left side 28 of the housing 12.
- the front 22 and back 24 of the housing 12 each define an opening 40.
- Each opening 40 contains an inner snap leg 42 extending from the top edge of the opening 40 downward and inward.
- the bottom edges of openings 40 include a notch 42 that forms a corner 44.
- the front 22 of the housing 12 further defines an additional opening 46 on the same side as the hook beam 14.
- a resilient finger 48 extends from the bottom edge of the opening 46 upward and slightly inward.
- the housing 12 also includes a ramp 52 which slants upward near the bottom rear corner of the housing 12. The ramp 52 is located to the rear of the spring 18 and below the shuttle 16.
- the housing 12 is preferably secured in a socket by a pair of snap legs.
- the right side 26 and left side 28 each include an outer snap leg 60, extending upward and outward from the bottom 32 of the housing 12.
- Each outer snap leg 60 has a ridged top end 62.
- the bottom portion of the hook beam 14 includes a bottom arm 98, which in the preferred embodiment has a roughly "L" shape with a flat end 99.
- the bottom portion of hook beam 14 also includes a pair of opposing bosses 100, being dimensioned and configured to fit within the front and back openings 40 of the housing 12, below the inner snap legs 42.
- Each boss 100 has a notch or cutout in the form of a circular sector subtended by an angle of less than 180 degrees 102, being dimensioned and configured to engage the corner 44.
- the shuttle 16 defines a top portion 110 which is " shape in top plan view and configured to fit into the wide portion 38 corresponding to the left side 28 of the housing 12 opposite the hook beam 14.
- the top portion 110 includes an overhang 112 which projects towards the hook beam 14.
- a flange 116 extends outward from one side of the shuttle 16, being dimensioned and configured to abut the top flange 84 of the hook beam 14.
- the shuttle 16 is spring-biased forward.
- the shuttle 16 defines a spring channel 118, dimensioned and configured to contain and guide a compression spring 18.
- the shuttle 16 also includes a skirt 120 which extends downward and toward the beam 14 from the top portion 112, and dimensioned and configured to engage the bottom projection or arm 98 of the hook beam 14.
- the keeper 20 includes a top panel 130 and a hook 132.
- the hook 132 is dimensioned and configured to pass through the wide portion 38 of the opening 34 of the housing 12 and to be engaged by the hook beam's top hook 80.
- the hook 132 of the keeper 20 includes a bottom surface 134 for pushing inward on the top portion 110 of the shuttle 16.
- the back of the top panel 130 preferably includes an adhesive 136 for securing the keeper 20 to one of the two components to be latched together using the latch 10.
- the latch 10 and keeper 20 will typically be mounted on opposing moving and nonmoving members, such as a door or drawer and the frame supporting the door or drawer (not shown, and well-known).
- the latch 10 will be installed on the nonmoving member, and the keeper 20 will be installed on the moving member, but this may be reversed without affecting the operation of the latch 10.
- both members to which the latch 10 and keeper 20 are installed may be movable.
- the latch 10 will preferably be installed within a socket, with a preferred and suggested socket having the configuration of two intersecting rectangles, corresponding to the shape of the housing 12, to ensure proper alignment.
- the shuttle's flange 116 engages the hook beam's top flange 84, thereby moving the hook beam 14 back into its original position. Proper vertical alignment of the hook beam 14 is ensured by the detent boss 86 on the hook beam 14 which is constrained from moving back to its previous position by the resilient finger 48 of the housing 12. The unlatching process is now complete, and the latch 10 is ready to repeat the cycle beginning with the view shown in FIG. 32.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-7004945A KR20030059182A (en) | 2000-11-03 | 2001-11-02 | Push-push latch |
DE10196841T DE10196841T1 (en) | 2000-11-03 | 2001-11-02 | Double-operated lock |
GB0307479A GB2382620B (en) | 2000-11-03 | 2001-11-02 | Push-push latch |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/705,669 US6719337B1 (en) | 2000-11-03 | 2000-11-03 | Push-push latch |
US09/705,669 | 2000-11-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002036909A2 true WO2002036909A2 (en) | 2002-05-10 |
WO2002036909A3 WO2002036909A3 (en) | 2002-08-15 |
Family
ID=24834462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/048490 WO2002036909A2 (en) | 2000-11-03 | 2001-11-02 | Push-push latch |
Country Status (5)
Country | Link |
---|---|
US (1) | US6719337B1 (en) |
KR (1) | KR20030059182A (en) |
DE (1) | DE10196841T1 (en) |
GB (1) | GB2382620B (en) |
WO (1) | WO2002036909A2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3064447A4 (en) * | 2013-12-06 | 2017-06-21 | Mitsubishi Steel MFG. CO., LTD. | Lock mechanism and opening/closing device |
CN114269203A (en) * | 2019-08-19 | 2022-04-01 | Evo创新有限责任公司 | Foldable height-adjustable table |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7201411B2 (en) * | 2004-11-18 | 2007-04-10 | Illinois Tool Works Inc | Push latch |
US7189043B2 (en) * | 2005-02-25 | 2007-03-13 | Illinois Tool Works Inc. | Tethered retainer assembly |
US8235430B2 (en) * | 2006-03-28 | 2012-08-07 | Vision Industries, Inc. | Window vent stop with flexible side engagement pieces |
US8104850B2 (en) | 2007-05-30 | 2012-01-31 | Steelcase Inc. | Furniture storage unit |
DE202007015212U1 (en) * | 2007-11-02 | 2008-01-24 | Anton Schneider Gmbh & Co Kg | Fastening device for furniture parts |
WO2009086169A2 (en) * | 2007-12-19 | 2009-07-09 | Wms Gaming, Inc. | Modular wagering game machine signage |
US8274615B2 (en) * | 2008-03-07 | 2012-09-25 | Audiovox Corporation | Mobile video system |
US8317236B2 (en) * | 2008-04-16 | 2012-11-27 | Electrolux Home Products, Inc. | Appliance drawer and latch mechanism therefor |
US8141422B2 (en) * | 2008-04-25 | 2012-03-27 | Hall David L | Detector housing |
SI22759A (en) * | 2008-04-28 | 2009-10-31 | Itw Metalflex, D.O.O. Tolmin | Mechanism for blocking doors of an electric household appliance |
US8449006B2 (en) * | 2008-07-31 | 2013-05-28 | Electrolux Home Products, Inc. | Appliance access door strike assemblies for addressing latch operation issues arising from dimensional variances |
US20110011180A1 (en) * | 2009-07-17 | 2011-01-20 | John Wilson | Sensor housing assembly facilitating sensor installation, replacement, recovery and reuse |
US20110168062A1 (en) * | 2010-01-08 | 2011-07-14 | Dellavecchia Michael | Mechanically adjustable work station with optional retractable work support ledge |
DE102011116068A1 (en) * | 2011-07-22 | 2013-01-24 | Kiekert Ag | Fuel filler door lock |
EP2584270B1 (en) | 2011-10-19 | 2016-03-23 | MKN Maschinenfabrik Kurt Neubauer GmbH & Co. KG | Kitchen appliance with a connection, in particular for electronic and/or electric media |
DE102015102835B4 (en) | 2015-02-27 | 2021-07-22 | Miele & Cie. Kg | Extractor hood |
DE102019117055B4 (en) * | 2019-06-25 | 2023-04-20 | Schroth Safety Products Gmbh | Device for preventing access to an area of an aircraft |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5775748A (en) * | 1995-01-17 | 1998-07-07 | Nifco Inc. | Latch device |
US6109667A (en) * | 1995-10-10 | 2000-08-29 | Collins; Matthew J. | Over-center toggle latch with integral switch |
US6250694B1 (en) * | 1999-09-02 | 2001-06-26 | Southco, Inc. | Push-push latch |
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US462183A (en) | 1891-10-27 | Automatic sash-lock | ||
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-
2000
- 2000-11-03 US US09/705,669 patent/US6719337B1/en not_active Expired - Fee Related
-
2001
- 2001-11-02 GB GB0307479A patent/GB2382620B/en not_active Expired - Fee Related
- 2001-11-02 WO PCT/US2001/048490 patent/WO2002036909A2/en active Application Filing
- 2001-11-02 DE DE10196841T patent/DE10196841T1/en not_active Withdrawn
- 2001-11-02 KR KR10-2003-7004945A patent/KR20030059182A/en not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5775748A (en) * | 1995-01-17 | 1998-07-07 | Nifco Inc. | Latch device |
US6109667A (en) * | 1995-10-10 | 2000-08-29 | Collins; Matthew J. | Over-center toggle latch with integral switch |
US6250694B1 (en) * | 1999-09-02 | 2001-06-26 | Southco, Inc. | Push-push latch |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3064447A4 (en) * | 2013-12-06 | 2017-06-21 | Mitsubishi Steel MFG. CO., LTD. | Lock mechanism and opening/closing device |
CN114269203A (en) * | 2019-08-19 | 2022-04-01 | Evo创新有限责任公司 | Foldable height-adjustable table |
Also Published As
Publication number | Publication date |
---|---|
KR20030059182A (en) | 2003-07-07 |
GB0307479D0 (en) | 2003-05-07 |
GB2382620B (en) | 2004-12-08 |
US6719337B1 (en) | 2004-04-13 |
WO2002036909A3 (en) | 2002-08-15 |
DE10196841T1 (en) | 2003-12-24 |
GB2382620A (en) | 2003-06-04 |
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