US3923347A - Suspension latch - Google Patents

Suspension latch Download PDF

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Publication number
US3923347A
US3923347A US296899A US29689972A US3923347A US 3923347 A US3923347 A US 3923347A US 296899 A US296899 A US 296899A US 29689972 A US29689972 A US 29689972A US 3923347 A US3923347 A US 3923347A
Authority
US
United States
Prior art keywords
slide
track
latching
members
key
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.)
Expired - Lifetime
Application number
US296899A
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English (en)
Inventor
Carl J Dean
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hutchinson Aerospace and Industry Inc
Original Assignee
Barry Wright Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Barry Wright Corp filed Critical Barry Wright Corp
Priority to US296899A priority Critical patent/US3923347A/en
Priority to JP48068348A priority patent/JPS4972100A/ja
Priority to BR5641/73A priority patent/BR7305641D0/pt
Priority to CA177,404A priority patent/CA1006214A/en
Priority to DE19732345277 priority patent/DE2345277A1/de
Priority to IT53026/73A priority patent/IT1003542B/it
Priority to FR7336335A priority patent/FR2203269A5/fr
Application granted granted Critical
Publication of US3923347A publication Critical patent/US3923347A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/453—Actuated drawers
    • A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
    • A47B88/467—Actuated drawers operated by mechanically-stored energy, e.g. by springs self-closing

Definitions

  • the present invention relates generally to storage apparatus and more particularly to low friction sliding storage units.
  • Sliding storage units such as media storage cabinets [cabinets storing film reels, magnetic tape reels, magnetic disks, heavy ledgers on pull-out shelves or racks], concealable door consoles, electronic relay racks, and other sliding storage structures often provide a pull-out slide allowing a drawer, shelf or stored item support of other form to be pulled out for access and pushed back into the cabinet for storage.
  • Such structure provides efficient use of space and usually provides friction reducing or mechanical advantage enhancing assistance to the user for handling heavy stored items, singly or in groups, consistent with efficient utilization of space.
  • the suspension supporting structures of such equipment generally embody a primary track and a primary slide one of which is fixed to an enclosure wall or other supporting wall or fixed supporting structure and the other of which is secured to the sliding storage unit such as a drawer, shelf, rack or the like.
  • the primary slide may be mounted for sliding motion in the primary track directly, or indirectly via a secondary slide/track which acts as a slide with respect to the primary track and as a track with respect to the primary slide.
  • Such slide and track means form a compact, nested array in the closed position of the storage means and an elongated partially nested array in the open position.
  • the various track and slide elements are constructed to have minimum sliding contact with each other, consistent with high load-bearing capability and generally comprise additional friction-reducing means such as lubricants and/or bearings between their mating surfaces.
  • Apparatus of this type is vulnerable to the problem of inadvertent opening movement of the sliding storage units.
  • One of the primary slide and primary track members of a suspension support is provided with yieldable latch key means mounted thereon and the other of said members is provided with corresponding latching detent means mounted thereon.
  • the latching key means and latching detent means are provided internally of the nexted arrangement of slide and track members in the elongated volume defined by such members.
  • the latching detent is provided as a turned-up tang endmost extension of the primary slide at its end remote from the opening portion of the cabinet and the yieldable latching means are provided as an elongated, springy latching arm mounted at a mounting end thereof to the said slide member and having a latching key portion at its opposite end with a camming surface arranged to cause pivoting of the arm about its cantilever mounting in response to closing forces pushing the primary slide into the fully nested arrangement.
  • the primary slide has a recessed groove accommodating a base support for the latching key which is held therein by a combination of friction and keying engagement.
  • This base also comprises a cavity backing up a key to allow insertion of the base into the said recessed cutout.
  • the mounting of latching detent and key can be reversed with the detent on the slide and the key on the track.
  • intermediate slide/track members can carry the detent or key elements of the latching mechanism for making a partial latching possible.
  • the base may, alternatively, be screwed to its support rather than frictionally held.
  • the latching detent is more rigidly mounted than the latching key, the latter giving way upon engagement with the detent.
  • the latching detent may be a portion of the metal track and the latching key may be a thermoplastic synthetic resin or spring steel.
  • FIG. 1 is an isometric view of the end of a nested array of primary and secondary slide and track members containing a suspension latch in accordance with a preferred embodiment of the invention, the apparatus being shown in the course of closing movement just before latching;
  • FIG. 2 is a similar view of the same apparatus after a further increment of closure movement to complete latching, the apparatus being shown in closed and latched position;
  • FIG. 3 is a longitudinal section view cut as indicated by arrows 33 in FIG. 2;
  • FIG. 4 is an end view in the direction indicated by the arrows 44 in FIG. 3 of the latching key element of the FIG. 1-3 embodiment.
  • the suspension latching apparatus usable in cabinet apparatus as described above, comprises a primary track 10, a secondary track/slide 20 and a primary track 30.
  • the member 20 acts as a slide with respect to track and as a track with respect to slide 30.
  • the primary track 10 is mounted in a cabinet along a top or side wall thereof and runs in a horizontal line path parallel to the direction of opening movement and may be a sole support or one of multiple sliding supports for a sliding storage unit in the cabinet.
  • the primary track 30 is connected to the sliding storage unit.
  • FIGS. 1 and 2 The end portion, shown in FIGS. 1 and 2, is at the back wall of the cabinet and the parts are moving into closed position along the arrow 1 in FIG. 1.
  • a part C of a cabinet wall mounts the track 30 and slide 10 sup ports a drawer, a portion of which is indicated at D, in this embodiment.
  • the primary track 10 comprises an end cutout 13 and a turned-up tang 11 to act as the latching detent.
  • the tang 11 is surrounded by an elastomeric buffer sheath 12.
  • the track/slide member butts up against sheath 12 in the fully closed position of the suspension apparatus shown in FIG. 2 and is restrained from further movement in closing direction by such butting engagement.
  • the primary slide comprises a surface recess 33 and a cutout port 32 therein.
  • the slide also has an end recess 31.
  • the latching key member 40 comprises a ramp surface 41 and a mounting base 42.
  • the base is jammed into cutout port 32 of slide 30. Additionally the base has a hook 43 engaging the under side of recess 33. The hook together with side extensions 44.of the base forms a recess 45.
  • the base also has a slit 46 behind hook 43. The recess 45 and slit 46 allow compression of the base for insertion through port 32 from underneath and sufficient resilience to provide frictional engagement therein once inserted.
  • the slide 30 has a front end tang 39 with a sheath 38, similar to the arrangement 11/l2 at the back end of track 10, to transmit closing motion of track 10 to intermediate track/slide 20.
  • the key end of latch 40 has an opening assist ramp 47.
  • opening assist ramp 47 In either opening or closing the respective ramp slides up and over the top end of detent 11 with cutout 31 providing space to accommodate the lateral movement of the latching key.
  • Suspension slide apparatus comprising in combination:
  • the said trackand slide members being arranged for fully nested closure and partially nested opening and forming an elongated volume therebetween,
  • one of said track and slide members having a latching detent mounted thereon and the other of said track and slide members having a latching key mounted thereon for engaging said latching detent to lock said track and slide members in nested closure position against inadvertent opening movement
  • the latching key has a cantilever mounted resilient key end which is movable laterally in response to and in a direction perpendicular to a longitudinal actuating force while engaging said latching detent to ride over the latching detent during locking and unlocking, and
  • the said latching detent and latching key are located essentially entirely within the said elongated volume.
  • the said latching key has a base portion frictionally engaged in a cutout in one of said slide and track members and said key portion is cantilever mounted from said base portion and extends between said slide and track members and parallel thereto,
  • the one of said slide and track members supporting said latching key base has an end cutout laterally aligned with the latching detent in the fully nested position to allow for lateral movement of said resilient latch key end over the end of the latching detent.
  • the one of said slide and track members supporting said latching key base has a recessed surface portion therein with a port in the recess accommodating said base
  • the base has an internally relieved construction to pass through said port for assembly and to expand against the edges of said port for frictional holding, and
  • the base is further in laterally hooked engagement with the port edges.
  • Apparatus in accordance with claim 1 further comprising:
  • an elongated intermediate slide/track member having front and rear ends and being nestable between said slide and track members and when so nested between said track and slide members acting as a slide with respect to said track member and as a track with respect to said slide member.
  • one of said slide and track members comprises a rear end barrier and the other of said slide and track members comprises a front end barrier
  • the said barriers laterally overlapping respective front and end rear ends of the intermediate slide/- track member.
  • Apparatus in accordance with claim 6 further comprising:
  • a sliding storage device with at least one slidable storing element and a support structure therefor
  • one of the said slide and track members of the suspension slide apparatus being connected to the support structure and the other of said slide and track being connected to said slidable storage element
  • suspension slide apparatus thereby forming a lockable suspension mount for said slidable storage element.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawers Of Furniture (AREA)
US296899A 1972-10-12 1972-10-12 Suspension latch Expired - Lifetime US3923347A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US296899A US3923347A (en) 1972-10-12 1972-10-12 Suspension latch
JP48068348A JPS4972100A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-10-12 1973-06-19
BR5641/73A BR7305641D0 (pt) 1972-10-12 1973-07-25 Aperfeicoamentos em aparelho deslisador de suspensao
CA177,404A CA1006214A (en) 1972-10-12 1973-07-26 Suspension latch
DE19732345277 DE2345277A1 (de) 1972-10-12 1973-09-07 Haengeeinschub-vorrichtung
IT53026/73A IT1003542B (it) 1972-10-12 1973-10-10 Apparecchio scorrevole a sospensio ne per immagazzinameno di oggetti
FR7336335A FR2203269A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-10-12 1973-10-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US296899A US3923347A (en) 1972-10-12 1972-10-12 Suspension latch

Publications (1)

Publication Number Publication Date
US3923347A true US3923347A (en) 1975-12-02

Family

ID=23144031

Family Applications (1)

Application Number Title Priority Date Filing Date
US296899A Expired - Lifetime US3923347A (en) 1972-10-12 1972-10-12 Suspension latch

Country Status (7)

Country Link
US (1) US3923347A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS4972100A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR7305641D0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1006214A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2345277A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2203269A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1003542B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057303A (en) * 1975-05-23 1977-11-08 Julius Blum Gesellschaft Mbh Drawer guide
US4061375A (en) * 1975-05-12 1977-12-06 Mertes Paul M Moulded plastic drawer slide
US4125297A (en) * 1975-05-12 1978-11-14 Mertes Paul M Universal drawer slider
US4139249A (en) * 1977-11-07 1979-02-13 Hillman Ernest C Child-proof latch
US4437715A (en) 1981-07-10 1984-03-20 General Electric Company Rack supporting channel and stop
US4892368A (en) * 1988-10-03 1990-01-09 Malgo Corporation Drawer slide
US4998828A (en) * 1989-10-02 1991-03-12 General Devices Co., Inc. Over and under telescoping slide assembly
US5002402A (en) * 1989-10-30 1991-03-26 Standard Precision, Inc. Unhanded slide latch device
US5033805A (en) * 1990-05-08 1991-07-23 General Devices Co., Inc. Drawer slide assembly with releasable lock mechanism
US5340209A (en) * 1992-12-28 1994-08-23 General Electric Company Slide-out shelf assembly for refrigerators
US5470143A (en) * 1994-03-24 1995-11-28 Steelcase Inc. Self-locking snap-on suspension unit for furniture cabinets and the like
US5476052A (en) * 1994-10-12 1995-12-19 The Singer Company N.V. Extension, free arm and auxiliary beds for overlock machine
US5733026A (en) * 1994-01-25 1998-03-31 Metsec Plc Drawer slide
US5775786A (en) * 1997-02-05 1998-07-07 Haworth, Inc. Drawer slide
US5806947A (en) * 1996-08-08 1998-09-15 Black & Decker Inc. Foldable workbench including universal tray
US5951132A (en) * 1997-11-18 1999-09-14 Jonathan Manufacturing Corp. Multi-use snap-part body for slider
US6145945A (en) * 1998-11-12 2000-11-14 Accuride International, Inc. Drawer slide bearing retainer and guide block
DE10049348A1 (de) * 2000-10-05 2002-04-18 Rexroth Star Gmbh Linearführungsanordnung
US6386660B1 (en) * 2001-05-15 2002-05-14 Jun-Long Yang Detachable rail for drawers
EP1215979A4 (en) * 1999-06-22 2002-11-27 Accuride Int Inc ADJUSTABLE RELAXATION MECHANISM FOR SLIDE
US8622488B1 (en) 2010-11-08 2014-01-07 Ronnie Kilby Vertically retractable shelf system
US10092100B1 (en) 2017-06-23 2018-10-09 King Slide Works Co., Ltd. Slide rail assembly

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2540581C2 (de) * 1975-09-11 1985-09-12 Schock & Co Gmbh, 7060 Schorndorf Auszugführung für Schubladen u.dgl.
US4272139A (en) * 1978-09-12 1981-06-09 Jacmorr Manufacturing Limited Sliding drawer suspension
US4370007A (en) * 1979-02-08 1983-01-25 Jacmorr Manufacturing Limited Sliding drawer suspension
CA1125346A (en) * 1979-11-07 1982-06-08 Jack P. Fler Three part slide
EP0151603A4 (en) * 1983-08-05 1985-12-19 Stuart John Hindle SUPPORT DEVICE.

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2056407A (en) * 1934-11-16 1936-10-06 Edgar W Metcalf Extension drawer support
US2277703A (en) * 1941-05-02 1942-03-31 Kennedy Mfg Company Drawer slide
US2294749A (en) * 1941-04-22 1942-09-01 Gen Electric Refrigerator cabinet
US3142517A (en) * 1960-09-28 1964-07-28 Charles D Ward Drawer suspension means
US3245744A (en) * 1964-02-18 1966-04-12 Watson Mfg Company Inc Latch mechanism
US3385643A (en) * 1967-01-03 1968-05-28 U S Products Dev Stereo tape cartridge container
US3589778A (en) * 1970-02-24 1971-06-29 Huot Mfg Co Cabinet drawer slide assembly
US3658394A (en) * 1970-09-01 1972-04-25 Kenneth H Gutner Drawer slide and guide assembly
US3680941A (en) * 1971-02-17 1972-08-01 Sears Roebuck & Co Food storage compartment for refrigerator

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2056407A (en) * 1934-11-16 1936-10-06 Edgar W Metcalf Extension drawer support
US2294749A (en) * 1941-04-22 1942-09-01 Gen Electric Refrigerator cabinet
US2277703A (en) * 1941-05-02 1942-03-31 Kennedy Mfg Company Drawer slide
US3142517A (en) * 1960-09-28 1964-07-28 Charles D Ward Drawer suspension means
US3245744A (en) * 1964-02-18 1966-04-12 Watson Mfg Company Inc Latch mechanism
US3385643A (en) * 1967-01-03 1968-05-28 U S Products Dev Stereo tape cartridge container
US3589778A (en) * 1970-02-24 1971-06-29 Huot Mfg Co Cabinet drawer slide assembly
US3658394A (en) * 1970-09-01 1972-04-25 Kenneth H Gutner Drawer slide and guide assembly
US3680941A (en) * 1971-02-17 1972-08-01 Sears Roebuck & Co Food storage compartment for refrigerator

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061375A (en) * 1975-05-12 1977-12-06 Mertes Paul M Moulded plastic drawer slide
US4125297A (en) * 1975-05-12 1978-11-14 Mertes Paul M Universal drawer slider
US4057303A (en) * 1975-05-23 1977-11-08 Julius Blum Gesellschaft Mbh Drawer guide
US4139249A (en) * 1977-11-07 1979-02-13 Hillman Ernest C Child-proof latch
US4437715A (en) 1981-07-10 1984-03-20 General Electric Company Rack supporting channel and stop
US4892368A (en) * 1988-10-03 1990-01-09 Malgo Corporation Drawer slide
US4998828A (en) * 1989-10-02 1991-03-12 General Devices Co., Inc. Over and under telescoping slide assembly
US5002402A (en) * 1989-10-30 1991-03-26 Standard Precision, Inc. Unhanded slide latch device
WO1991006234A3 (en) * 1989-10-30 2004-04-22 Standard Prec Inc Unhanded slide latch device
US5033805A (en) * 1990-05-08 1991-07-23 General Devices Co., Inc. Drawer slide assembly with releasable lock mechanism
US5340209A (en) * 1992-12-28 1994-08-23 General Electric Company Slide-out shelf assembly for refrigerators
US5733026A (en) * 1994-01-25 1998-03-31 Metsec Plc Drawer slide
US5470143A (en) * 1994-03-24 1995-11-28 Steelcase Inc. Self-locking snap-on suspension unit for furniture cabinets and the like
US5476052A (en) * 1994-10-12 1995-12-19 The Singer Company N.V. Extension, free arm and auxiliary beds for overlock machine
US5806947A (en) * 1996-08-08 1998-09-15 Black & Decker Inc. Foldable workbench including universal tray
US5775786A (en) * 1997-02-05 1998-07-07 Haworth, Inc. Drawer slide
US5951132A (en) * 1997-11-18 1999-09-14 Jonathan Manufacturing Corp. Multi-use snap-part body for slider
US6224178B1 (en) 1997-11-18 2001-05-01 Jonathan Manufacturing Corporation Multi-use snap-part body for slider
US6254210B1 (en) 1998-11-12 2001-07-03 Accuride International, Inc Drawer slide bearing retainer and guide block
US6145945A (en) * 1998-11-12 2000-11-14 Accuride International, Inc. Drawer slide bearing retainer and guide block
EP1215979A4 (en) * 1999-06-22 2002-11-27 Accuride Int Inc ADJUSTABLE RELAXATION MECHANISM FOR SLIDE
DE10049348A1 (de) * 2000-10-05 2002-04-18 Rexroth Star Gmbh Linearführungsanordnung
US6513976B2 (en) 2000-10-05 2003-02-04 Rexroth Star Gmbh Linear guide arrangement
US6386660B1 (en) * 2001-05-15 2002-05-14 Jun-Long Yang Detachable rail for drawers
US8622488B1 (en) 2010-11-08 2014-01-07 Ronnie Kilby Vertically retractable shelf system
US10092100B1 (en) 2017-06-23 2018-10-09 King Slide Works Co., Ltd. Slide rail assembly

Also Published As

Publication number Publication date
IT1003542B (it) 1976-06-10
DE2345277A1 (de) 1974-04-25
CA1006214A (en) 1977-03-01
FR2203269A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-05-10
JPS4972100A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-07-11
BR7305641D0 (pt) 1974-10-22

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