US3888558A - Lock and interlock mechanism - Google Patents

Lock and interlock mechanism Download PDF

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Publication number
US3888558A
US3888558A US443871A US44387174A US3888558A US 3888558 A US3888558 A US 3888558A US 443871 A US443871 A US 443871A US 44387174 A US44387174 A US 44387174A US 3888558 A US3888558 A US 3888558A
Authority
US
United States
Prior art keywords
cabinet
shelves
lock
lock bar
doors
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
US443871A
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English (en)
Inventor
Ernst G Himsl
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.)
Hauserman Inc
SUNAR Ltd
Original Assignee
SUNAR Ltd
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 SUNAR Ltd filed Critical SUNAR Ltd
Priority to US443871A priority Critical patent/US3888558A/en
Priority to CA219,818A priority patent/CA1061849A/en
Priority to FR7504781A priority patent/FR2261142B1/fr
Priority to ES434879A priority patent/ES434879A1/es
Application granted granted Critical
Publication of US3888558A publication Critical patent/US3888558A/en
Assigned to HAUSERMAN, INC., A CORP. OF OH. reassignment HAUSERMAN, INC., A CORP. OF OH. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: HAUSERMAN, LTD., A CORP. OF CANADA
Assigned to SOCIETY NATIONAL BANK reassignment SOCIETY NATIONAL BANK SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HAUSERMAN, INC.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/46—Locks or fastenings for special use for drawers
    • E05B65/462—Locks or fastenings for special use for drawers for two or more drawers
    • E05B65/463—Drawer interlock or anti-tilt mechanisms, i.e. when one drawer is open, at least one of the remaining drawers is locked

Definitions

  • a multiple shelf cabinet has a plurality of slidable shelves and a plurality of pivoted doors closing off said shelves.
  • a combined shelf and door locking mechanism acts to either by means of a key lock prevent all of the doors from being opened and shelves from being slid outwardly or by an interlock device, prevent a second shelf from being slid outwardly when a first shelf is slid out.
  • the locking mechanism includes a vertical locking bar having a plurality of hooking members for holding the doors closed and a plurality of cam members carried by the shelves that engage means on the locking bar to move the same to a locking position as a shelf is slid out.
  • interlocking devices in cabinets that have sliding drawers to prevent more than one drawer to be open at one time. These devices generally include some sort of device that is engaged by means carried on a drawer being opened. and which device is moved to a position wherein other blocking means thereon are positioned to prevent opening of any other drawer. These devices often have a key operated device that acts to hold the device in position to prevent any drawer from being opened.
  • closure doors can be provided that are pivotable about their upper ends and are slidable into the cabinet out of the way in a horizontal position above the shelf.
  • Lock means can be provided to either individually lock the doors or mechanism installed that will simultaneously lock all of the doors.
  • a still further object is to provide an interlock mechanism which will prevent more than one drawer to be opened at one time but will permit any number of doors to be open.
  • FIG. I is a perspective view of a file cabinet incorporating the invention.
  • FIG. 2 is a cross-sectional view of the cabinet with one of the drawers in open position
  • FIG. 3 is an enlarged perspective view of the locking bar mechanism of FIG. 2;
  • FIG. 4 is a similar view showing one form of cam and abutment device carried on the side of the sliding shelf;
  • FIG. 5 is an enlarged cross-sectional view of the cabinet of FIG. 2;
  • FIG. 6 is a cross-sectional view showing a key lock mechanism
  • FIG. 7 is a cross-sectional view taken on the line 77 of FIG. 6;
  • FIG. 8 is a cross-sectional view taken on the line 8-8 of FIG. 5;
  • FIG. 9 is a view similar to FIG. 5 showing another form of the invention.
  • FIG. 10 is a cross-sectional view taken on the line 10-10 of FIG. 9.
  • FIG. 11 is an enlarged view taken on the line 11-11 of FIG. 10.
  • the invention is shown in a multiple drawer cabinet generally indicated I, and which has a plurality of pivoted normally vertical doors 3.
  • the doors 3 each close off access to an open faced drawer or shelf 5 which can be slid outward from within the cabinet on conventional telescoping supports 7.
  • the doors 3 are pivoted on rollers not shown which ride in tracks 9 so that after a door is swung up to a horizontal position it can be slid back into the cabinet as seen in FIG. 2 with the door supported on the track 9.
  • the locking device includes an elongated bar 11 vertically arranged inside of the cabinet near the front thereof as seen in FIG. 2.
  • the bar 11 is biased by spring 13 upward to an unlocking position.
  • a bracket member 23 At the upper end of the bar II is a bracket member 23 having a portion 14 that passes through an aperture in a bracket [6 (FIGS. 6 and 7) attached to the front of the cabinet. This serves as a guide for movement of the bar up and down.
  • the lower end of the bar II passes through a similar aperture in the cabinet as seen in FIG. 2.
  • the locking bar carries a plurality of forwardly extending bracket members 15 (only one of which is shown in FIG. 3).
  • the brackets each have a hook portion 17 and a roller I9 extending outward.
  • the hooks 17 are adapted, when in a raised position. to enter into apertures 21 formed in the doors 3 as seen in FIG. 5.
  • the hook I7 prevents the door from being opened.
  • the bracket 23 on the top part of the bar 11 has a slot 25 through which an eccentric pin 27 protrudes.
  • the pin 27 is carried on a rotatable portion 29 of a key lock device 31. It will be obvious that as the lock is rotated by a key in the position illustrated in FIG. 3, the pin 27 will act on the bracket to force the bracket and bar 11 downward against the spring 13 into locking position.
  • the slot 25 permits free up and down movement of the bracket and bar when the pin 27 is in its upper position.
  • each shelf drawer Mounted on the side of each shelf drawer are elongated guide members 2 having an inclined cam portion 33.
  • a second combined blocking and cam portion 35 is located below the cam portion 33.
  • the rollers 19 carried on the lock bar 11 are positioned to engage the underside of the cam 33 when the bar 11 is in its upper or unlocking position. When the bar 11 is in its lower or locking position the rollers 19 engage the vertical face on the blocking or abutment portion 35.
  • FIGS. 9, I0 and II A modified arrangement is shown in FIGS. 9, I0 and II.
  • the locking bar 41 is similar to that in FIGS. I to 8 except that operating pins or studs 43 are threaded in apertures in the lock bar.
  • the clearance between the hexagonal portion 49 and shoulder 47 which engages the bar 11 permits free up and down movement of the stud in a slot 50 formed in the inner sidewall 52 of the cabinet.
  • a spring clip device 51 is attached to the sidewall 52 that engages the pin 43.
  • a detent portion 54 is urged outward by the pin 43 as it moves between the lower solid line position of FIG. 11 and the upper broken line position. This serves to hold the lock bar and pins in their upper unlocked positions.
  • the pins 43 function as both the door lock and drawer lock.
  • the doors 55 contain a hook portion 57 that the pin 43 engages when in its lower position.
  • the same pin engages the front vertical face 67 of a molded assembly 61 which includes an upper inclined cam portion 63 and a low cam portion 65.
  • that of FIGS. 9 to 11 does not have a horizontal track or guide 32 to hold the lock mechanism in its lower locking position since the spring clip 51 serves to hold the bar in either position.
  • the lower cam 65 serves to positively move the pin and lock bar up when the drawer is closed.
  • the operation of the device of FIGS. 9 to 11 is basically the same as that of FIGS. 1 to 8.
  • the lock bar 41 is positively moved up and down by the key lock but when in unlocked position the bar can be independently moved up and down by the cams 63 and 65 as a drawer is opened and closed.
  • the spring clip 51 serves to hold the bar up or down.
  • a cabinet having top, bottom, rear and side walls and an open front, a plurality of slidable shelves arranged to slide from an inner position out the open front to an exposed position and a plurality of pivoted doors swingable between vertical closed positions closing access to the shelves and horizontal open positions permitting access to the shelves, each door associated with one shelf, a combined lock means for simultaneously preventing the doors from being moved from their closed positions and preventing sliding of said shelves from their inner positions, said lock means including a vertically movable lock bar movable between a locking and an unlocking position, lock device means on said lock bar and engaging said doors when said lock bar is in locking position and said doors are in closed position said lock device means engaging said shelves to prevent the same from sliding out when the lock bar is in its locking position.
  • said lock device means includes a plurality of hook members carried by and protruding forwardly from the lock bar and arranged to enter into apertures in said doors and engage said doors to hold them closed when the lock bar is in its locking position.
  • said lock device means further includes roller members arranged to be engaged by and moved by said cams as any shelf is slid out, said movement causing movement of said lock bar to its locking position.
  • said lock device means comprises a plurality of elements extending from the lock bars, hook means on said doors arranged to be engaged by said elements when the doors are in their closed position and said lock bar is moved from its unlocking position to its locking position.
  • said shelves each carry a combination lock bar operating member including a cam portion and an abutment portion, said abutment portion located to engage one of said elements when the lock bar is in its locking position and said cam portion engaging said one element when the lock bar is in its unlocking position, said cam portion acting to move said element and the lock bar to its locking position as the shelf carrying the lock bar operating member is moved outward.
  • a multiple shelf cabinet having at least one of the shelves slidable outward, a plurality of doors on said cabinet and independent of said shelves closing said cabinet and each arranged to prevent access to one of said shelves, a combined shelf and door interlock device arranged in one condition to simultaneously lock the doors from being opened and prevent the shelves from being slid outward, and means for holding the interlock device in its one condition.
  • interlock device includes means for holding the same in either a locking condition or an unlocking condition and said shelves carry cam members that act to move the interlock device between its conditions as the shelf is opened and closed whereby when one shelf is opened the other shelves are prevented from being opened until the one shelf is closed.

Landscapes

  • Drawers Of Furniture (AREA)
  • Wing Frames And Configurations (AREA)
US443871A 1974-02-19 1974-02-19 Lock and interlock mechanism Expired - Lifetime US3888558A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US443871A US3888558A (en) 1974-02-19 1974-02-19 Lock and interlock mechanism
CA219,818A CA1061849A (en) 1974-02-19 1975-02-11 Lock and interlock mechanism
FR7504781A FR2261142B1 (is") 1974-02-19 1975-02-17
ES434879A ES434879A1 (es) 1974-02-19 1975-02-19 Mejoras introducidas en muebles de estantes multiples.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US443871A US3888558A (en) 1974-02-19 1974-02-19 Lock and interlock mechanism

Publications (1)

Publication Number Publication Date
US3888558A true US3888558A (en) 1975-06-10

Family

ID=23762510

Family Applications (1)

Application Number Title Priority Date Filing Date
US443871A Expired - Lifetime US3888558A (en) 1974-02-19 1974-02-19 Lock and interlock mechanism

Country Status (4)

Country Link
US (1) US3888558A (is")
CA (1) CA1061849A (is")
ES (1) ES434879A1 (is")
FR (1) FR2261142B1 (is")

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936108A (en) * 1975-02-24 1976-02-03 Oxford Pendaflex Corporation File cabinet drawer locking mechanism
US4217008A (en) * 1976-03-29 1980-08-12 Wright Line Inc. Document storage system
US4239309A (en) * 1979-07-31 1980-12-16 Lear Siegler, Inc. Filing cabinet including drawer interlock
US4272138A (en) * 1979-04-02 1981-06-09 Avm Corporation Cabinet drawer anti-tip lock device
US4303287A (en) * 1980-02-04 1981-12-01 Vickers Limited Locking mechanism for a storage cabinet
US4396239A (en) * 1981-03-10 1983-08-02 Paradyne Corporation Interlock mechanism
US4425013A (en) 1981-05-26 1984-01-10 Pacific Furniture Manufacturing Co. Apparatus for locking cabinet drawers
US4441767A (en) * 1982-04-21 1984-04-10 Avm Corporation Cabinet drawer anti-tip lock device
US4451111A (en) * 1983-04-07 1984-05-29 Munroe Warren T Lightweight drawer support assembly having combination locking mechanism and common vertical drawer support
US4768844A (en) * 1987-05-08 1988-09-06 Hauserman, Inc. Office cabinet
US4820002A (en) * 1987-11-24 1989-04-11 Tab Products Company Safety interlock
US5333949A (en) * 1992-10-05 1994-08-02 Krueger International, Inc. File drawer interlock mechanism
US5358322A (en) * 1992-12-16 1994-10-25 Krueger International, Inc. Drawer locking system
US5387032A (en) * 1992-04-25 1995-02-07 Hafele Gmbh & Co. Closing mechanism for cabinets with drawers
US5533798A (en) * 1993-10-15 1996-07-09 Steelcase Inc. Lock system for casegoods
US5599077A (en) * 1994-02-25 1997-02-04 Flexiform Business Furniture Limited Cabinet locking system
US6113200A (en) * 1999-05-26 2000-09-05 Snap-On Tools Company Compartment with vertical drawers and structure for allowing only one vertical drawer to be outside compartment at a time
US6634726B1 (en) 2001-05-30 2003-10-21 Snap-On Technologies, Inc. Multiple drawer cabinet allowing one drawer opened at a time
FR2840171A1 (fr) * 2002-05-29 2003-12-05 Piole Parolai Equipement Meuble du type servante pourvu de moyen de blocage temporaire des tiroirs
US6722749B1 (en) 2001-08-14 2004-04-20 Snap-On Technologies, Inc. Drawer open position controller
US20090284112A1 (en) * 2008-05-13 2009-11-19 Waterloo Industries, Inc. Storage Enclosure
US20110316397A1 (en) * 2010-06-29 2011-12-29 Wesko Systems Limited Releasable tenon for locking system
CN101469582B (zh) * 2007-12-29 2012-01-11 川湖科技股份有限公司 抽屉连锁装置
WO2014125488A3 (en) * 2013-02-14 2014-12-04 Keter Plastic Ltd A cabinet of storage units
US20170131502A1 (en) * 2013-03-15 2017-05-11 Commscope Technologies Llc Modular high density telecommunications frame and chassis system
KR101905314B1 (ko) 2017-03-22 2018-10-05 김준상 서랍장용 안전 장치
US10145149B2 (en) 2014-02-06 2018-12-04 2603701 Ontario Inc. Cammed lever-activated locking system
US10485120B1 (en) * 2018-10-03 2019-11-19 Eaton Intelligent Power Limited Enclosures including an interlocking device
US11377878B1 (en) * 2021-03-25 2022-07-05 Office Angunsa Co., Ltd. Safety storage furniture
US11549286B1 (en) * 2021-12-07 2023-01-10 Yi-Chun Chen Lock bar-on-slide rail style drawer antitipping safety device
US20250179838A1 (en) * 2023-11-30 2025-06-05 Hsin Tien Shun Co., Ltd. Interlocking anti-tipping cabinet
TWI890617B (zh) 2024-11-12 2025-07-11 川湖科技股份有限公司 滑軌機構

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2842419A (en) * 1955-02-23 1958-07-08 Wright Line Inc Filing cabinet drawer locking mechanism
US2886392A (en) * 1956-04-20 1959-05-12 Raymond L Stegmaier Safe cabinet locking device
US3033634A (en) * 1960-04-25 1962-05-08 Tab Products Co Gang lock
US3378321A (en) * 1966-03-31 1968-04-16 Supreme Steel Equipment Corp Filing cabinets
US3622216A (en) * 1970-05-28 1971-11-23 Midwest Folding Products Mfg C Drawer interlocking device for cabinets
US3776007A (en) * 1972-09-07 1973-12-04 Massey Ferguson Ind Ltd Locking mechanism

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2842419A (en) * 1955-02-23 1958-07-08 Wright Line Inc Filing cabinet drawer locking mechanism
US2886392A (en) * 1956-04-20 1959-05-12 Raymond L Stegmaier Safe cabinet locking device
US3033634A (en) * 1960-04-25 1962-05-08 Tab Products Co Gang lock
US3378321A (en) * 1966-03-31 1968-04-16 Supreme Steel Equipment Corp Filing cabinets
US3622216A (en) * 1970-05-28 1971-11-23 Midwest Folding Products Mfg C Drawer interlocking device for cabinets
US3776007A (en) * 1972-09-07 1973-12-04 Massey Ferguson Ind Ltd Locking mechanism

Cited By (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936108A (en) * 1975-02-24 1976-02-03 Oxford Pendaflex Corporation File cabinet drawer locking mechanism
US4217008A (en) * 1976-03-29 1980-08-12 Wright Line Inc. Document storage system
US4272138A (en) * 1979-04-02 1981-06-09 Avm Corporation Cabinet drawer anti-tip lock device
US4239309A (en) * 1979-07-31 1980-12-16 Lear Siegler, Inc. Filing cabinet including drawer interlock
US4303287A (en) * 1980-02-04 1981-12-01 Vickers Limited Locking mechanism for a storage cabinet
US4396239A (en) * 1981-03-10 1983-08-02 Paradyne Corporation Interlock mechanism
US4425013A (en) 1981-05-26 1984-01-10 Pacific Furniture Manufacturing Co. Apparatus for locking cabinet drawers
US4441767A (en) * 1982-04-21 1984-04-10 Avm Corporation Cabinet drawer anti-tip lock device
US4451111A (en) * 1983-04-07 1984-05-29 Munroe Warren T Lightweight drawer support assembly having combination locking mechanism and common vertical drawer support
US4768844A (en) * 1987-05-08 1988-09-06 Hauserman, Inc. Office cabinet
EP0290241A1 (en) * 1987-05-08 1988-11-09 Hauserman Inc. Office cabinet
US4820002A (en) * 1987-11-24 1989-04-11 Tab Products Company Safety interlock
US5387032A (en) * 1992-04-25 1995-02-07 Hafele Gmbh & Co. Closing mechanism for cabinets with drawers
US5333949A (en) * 1992-10-05 1994-08-02 Krueger International, Inc. File drawer interlock mechanism
US5358322A (en) * 1992-12-16 1994-10-25 Krueger International, Inc. Drawer locking system
US5533798A (en) * 1993-10-15 1996-07-09 Steelcase Inc. Lock system for casegoods
US5709442A (en) * 1993-10-15 1998-01-20 Steelcase Inc. Lock system for casegoods
US5823643A (en) * 1993-10-15 1998-10-20 Steelcase Inc. Lock system for casegoods
US5599077A (en) * 1994-02-25 1997-02-04 Flexiform Business Furniture Limited Cabinet locking system
US6113200A (en) * 1999-05-26 2000-09-05 Snap-On Tools Company Compartment with vertical drawers and structure for allowing only one vertical drawer to be outside compartment at a time
WO2000071844A1 (en) * 1999-05-26 2000-11-30 Snap-On Tools Company Compartment with drawers and structure for allowing only one drawer to be outside compartment at a time
EP1108104A4 (en) * 1999-05-26 2004-12-01 Snap On Tools Corp CABINET WITH DRAWERS AND DEVICE FOR pulling out only one drawer at a time
US6634726B1 (en) 2001-05-30 2003-10-21 Snap-On Technologies, Inc. Multiple drawer cabinet allowing one drawer opened at a time
US6722749B1 (en) 2001-08-14 2004-04-20 Snap-On Technologies, Inc. Drawer open position controller
FR2840171A1 (fr) * 2002-05-29 2003-12-05 Piole Parolai Equipement Meuble du type servante pourvu de moyen de blocage temporaire des tiroirs
CN101469582B (zh) * 2007-12-29 2012-01-11 川湖科技股份有限公司 抽屉连锁装置
US8215728B2 (en) * 2008-05-13 2012-07-10 Waterloo Industries, Inc. Storage enclosure
US20090284112A1 (en) * 2008-05-13 2009-11-19 Waterloo Industries, Inc. Storage Enclosure
US20110316397A1 (en) * 2010-06-29 2011-12-29 Wesko Systems Limited Releasable tenon for locking system
US8596729B2 (en) * 2010-06-29 2013-12-03 Wesko Systems Limited Releasable tenon for locking system
US10047546B2 (en) * 2013-02-14 2018-08-14 Keter Plastic Ltd. Cabinet of storage units
WO2014125488A3 (en) * 2013-02-14 2014-12-04 Keter Plastic Ltd A cabinet of storage units
CN105121763A (zh) * 2013-02-14 2015-12-02 凯特尔塑料有限公司 储存单元储柜
US20150376917A1 (en) * 2013-02-14 2015-12-31 Keter Plastic Ltd A cabinet of storage units
US20170131502A1 (en) * 2013-03-15 2017-05-11 Commscope Technologies Llc Modular high density telecommunications frame and chassis system
US9952398B2 (en) * 2013-03-15 2018-04-24 Commscope Technologies Llc Modular high density telecommunications frame and chassis system
US10473875B2 (en) 2013-03-15 2019-11-12 Commscope Technologies Llc Modular high density telecommunications frame and chassis system
US10145149B2 (en) 2014-02-06 2018-12-04 2603701 Ontario Inc. Cammed lever-activated locking system
KR101905314B1 (ko) 2017-03-22 2018-10-05 김준상 서랍장용 안전 장치
US10485120B1 (en) * 2018-10-03 2019-11-19 Eaton Intelligent Power Limited Enclosures including an interlocking device
US11377878B1 (en) * 2021-03-25 2022-07-05 Office Angunsa Co., Ltd. Safety storage furniture
US11549286B1 (en) * 2021-12-07 2023-01-10 Yi-Chun Chen Lock bar-on-slide rail style drawer antitipping safety device
US20250179838A1 (en) * 2023-11-30 2025-06-05 Hsin Tien Shun Co., Ltd. Interlocking anti-tipping cabinet
TWI890617B (zh) 2024-11-12 2025-07-11 川湖科技股份有限公司 滑軌機構

Also Published As

Publication number Publication date
ES434879A1 (es) 1977-03-16
FR2261142B1 (is") 1982-10-01
CA1061849A (en) 1979-09-04
FR2261142A1 (is") 1975-09-12

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Legal Events

Date Code Title Description
AS Assignment

Owner name: HAUSERMAN, INC., 5711 GRANT AVENUE, CLEVELAND, OH.

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:HAUSERMAN, LTD., A CORP. OF CANADA;REEL/FRAME:004365/0824

Effective date: 19850214

STCF Information on status: patent grant

Free format text: PATENTED FILE - (OLD CASE ADDED FOR FILE TRACKING PURPOSES)

AS Assignment

Owner name: SOCIETY NATIONAL BANK

Free format text: SECURITY INTEREST;ASSIGNOR:HAUSERMAN, INC.;REEL/FRAME:005048/0031

Effective date: 19890217