|Publication number||US3836222 A|
|Publication date||Sep 17, 1974|
|Filing date||Apr 16, 1973|
|Priority date||Apr 18, 1972|
|Publication number||US 3836222 A, US 3836222A, US-A-3836222, US3836222 A, US3836222A|
|Original Assignee||Idn Invention Dev Novelties|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (9), Referenced by (65), Classifications (9)|
|External Links: USPTO, USPTO Assignment, Espacenet|
United States Patent [191 Kuntze [111 3,836,222 [451 Sept. 17,1974
[ CASSETTE DRAWER UNIT WITH LATCH  Inventor: Gerd Kuntze, Berlin, Germany  Assignee: IDN Inventions and Development of Novelties AG, Lenzerheide, Switzerland 22 Filed: Apr. 16,1973
 Foreign Application Priority Data Apr. 18, 1972 Germany 7215173  US. Cl 312/319, 312/10, 312/273, 312/333, 206/387, 206/45.13
 Int. Cl A471) 88/04  Field of Search 312/319, 333, 204, 297,
312/273, 10; 292/DIG. 4; 206/D1G. 36, 387, 45.13; 211/135  References Cited UNITED STATES PATENTS 623,537 4/1899 Grange 312/273 833,049 10/1906 Hamish 312/273 3,272,325 9/1966 Schoenmakers 206/325 3,674,329 7/1972 Schill 312/319 3,677,396 7/1972 Staar 312/333 FOREIGN PATENTS OR APPLICATIONS 1,034,848 7/1966 Great Britain 206/D1G. 36
32,277 12/1967 Japan 312/333 1,173,273 12/1969 Great Britain 312/333 1,917,431 2/1970 Germany 312/333 Primary Examiner-James T. McCall Attorney, Agent, or Firm-H. Dale Palmatier; James R. I-Ialler [5 7] ABSTRACT A drawer. for cassettes and concealed latch therefor requiring only slight inward pressure to unlatch the drawer. A detent on the drawer and a latch bar on the stationary frame; a latch bar lifting cam on the drawer and lifting the bar off the detent when the drawer is pressed inwardly, the cam tipping to conceal the detent and guide the bar over the detent as the drawer is released and urged outwardly under spring pressure, the drawer having an upwardly tilting cassette pocket tipped upward by the outward spring pressed thrust of the drawer.
4 Claims, 2 Drawing Figures PAIENTEDSEP 1 7191 4 SHEET 2 BF 2 CASSETTE DRAWER UNIT WITH LATCH BRIEF SUMMARY OF THE INVENTION The invention relates to drawer units and has special reference to the storage of tape cassettes and film cassettes.
The problem forming the basis of the invention is to provide a simple to handle drawer unit, for example for tape cassettes and film cassettes, which enables a quick and easy insertion and removal of individual cassettes.
According to the-invention a drawer unit includes a drawer, a frame in which the drawer is movable between a closed position and an open position, biasing means resiliently biasing the drawer toward the open position, and a catch mechanism arranged to retain the drawer in the closed position, but to release the drawer from the closed position in response to an initial movement of the drawer directed away from the open position.
In a preferred arrangement the catch mechanism includes a detent, a locking member engageable in the detent when the drawer is in the closed position, and a cam so arranged that during the said initial movement the cam moves the locking member out of the detent and during movement of the drawer toward the open position the cam prevents the locking member from returning to the detent. Preferably the detent is provided on the drawer, the locking member is mounted on the frame, and the cam is mounted on the drawer.
Preferably also the locking member is generally U- shaped, one leg of the U-shape being pivotally mounted on the frame and the other leg being arranged to engage the detent. In a preferred arrangement the cam is pivotally mounted.
The drawer may include a receiving pocket for a tape or film cassette, the receiving pocket being arranged to be partly ejected automatically from the drawer as the drawer is moved into the open position. Preferably the receiving pocket is pivotally mounted in the drawer and is provided with a surface arranged to engage the frame as the drawer is moved to the open position and to cause rotation of the pocket.
By way of example, one embodiment of the invention is described in detail with reference to the drawings of which:
FIG. 1 is a sectional side elevation of a storage rack with several drawer units arranged one above the other, and
FIG. 2 is a front elevation of a rack having 32 drawers.
DETAILED DESCRIPTION OF THE INVENTION In FIG. 1 is shown part of a rack 2 with a number of drawer compartments arranged next to and above each other for receiving a corresponding number of drawers 1 for the storage of cassettes 10. Three drawers appear in FIG. 1.
The lowest drawer 1 contains a cassette and is shown in its closed position with the front wall 11 of the drawer flush with the front of the rack 2. The drawer 1 has toward its rear an extension flange 8a with an upstanding locking projection 8, the front edge or face 8b of which forms one wall of a detent. On the rear wall 2a of the rack 2 is pivotally mounted a U-shaped locking lever 3 which can engage the edge 8b of projection 8 and which is biased downwardly in a clockwise direction (as seen in FIG. 1) by a tension spring 8c anchored to the rear wall of the rack. Clockwise movement of the locking lever 3 is limited by an L-shaped support 3a which is affixed on frame rail 2b of the rack. In the position illustrated by the lowest drawer, the lever 3 rests in the detent in front of the projection 8 to confront edge 8b and the drawer 1 securely closed.
If a drawer 1 is to be opened for inserting or removing a cassette, it is gently pushed a little way into the drawer compartment so that the locking lever 3 rides up and over the rear sloping edge 4a of a swivel cam 4 pivoted to flange 8a in front of the projection 8. Then pressure on the drawer is released so that, as illustrated by the uppermost drawer in FIG. 1, the spring 5 moves the drawer outwardly, causing the locking lever 3 to tip cam 4 in a rearward direction and then ride up the front faces 4b of the tilted cam 4, the front face 4b of the cam being long enough to enable the lever 3 to clear the projection 8 and release the drawer. The cam 4 has lower edges 40, 4d oriented obliquely of each other and confronting the horizontal lip 8e of flange 8a. The edges 40, 4d alternately engage lip 8e as the cam is tipped to limit the swinging or tilting of the cam 4 in the alternate positionsof the cam.
At all times the drawers are biased toward the open position by one or a pair of prestressed compression springs 5 which are arranged under each drawer on a rod 5a and which bear against a slide hearing In which is affixed to the underside of the drawer.
For receiving and storing cassettes there is in each drawer a separate receiving pocket 6 (see middle drawer) having on its rear wall an upwardly projecting stop bar 7 which meets with a stop surface 9 in the rack approximately 10-15 mm. before reaching its end position, whereby the receiving pocket 6 is tilted into an upward inclining position enabling easy access to the cassette 10 as illustrated at the middle drawer of FIG. 1.
When the occasion arises, the cassette 10 is reinserted in the receiving pocket 6, and the drawer I pushed into the respective drawer compartment in the rack 2 until its front side 11 is flush with the front side 12 of the rack 2. As the drawer is pushed inwardly, the rear facing oblique camming edge or face 8d of projection 8 engages and lifts the locking lever 3 off support 3a. Lever 3 passes over the projection 8 and engages and tips the cam 4 forwardly. Subsequently, the locking lever 3 drops into the detent in front of the projection 8, simultaneously pushing the swivel cam 4 back again into its normal position as shown by the lowest drawer. The drawer is automatically held in this position.
The rack shown in FIG. 2 is illustrative of the way in which drawer units in accordance with the invention may be arranged in a convenient manner for storage of large numbers of articles such as tape or film cassettes.
What is claimed is:
l. A drawer unit including a drawer, a frame in which the drawer is moveable between a closed position and an open position, biasing means resiliently biasing the drawer towards the open position a catch mechanism arranged to retain the drawer in the closed position but to release the drawer from the closed position in response to an initial movement of the drawer directed away from the open position and subsequent release of the drawer, and a receiving pocket for a tape or film cassette, the pocket being pivotally mounted in the drawer and having a surface arranged to engage the frame as the drawer is moved to the open position to cause rotation of the pocket and partial ejection thereof from the drawer automatically as the drawer is moved to the open position.
2. A drawer unit comprising:
a stationary frame having an open drawer compartment and drawer support and guide means underlying the compartment,
a drawer in the compartment and slidable on such support and guide means, said drawer having a front and a rearwardly extending flange having an upstanding projection with a forwardly facing retainer edge and a detent adjacent to and forwardly of the upstanding projection, the upstanding projection having a forwardly and upwardly inclined guide edge facing generally rearwardly and extending to the top of the projection,
an upwardly and downwardly swinging lock lever swingably mounted on the stationary frame and having a retainer end in the detent and lying transversely of the upstanding projection in engagement with the retainer edge to restrain forward movement of the drawer,
a spring engaging and urging the lock lever downward into the detent and against the retainer edge of the upstanding projection,
stop means on the frame limiting downward swinging of the lock lever when the drawer and flange are moved forwardly in the drawer compartment, said stop means retaining the locking lever in confronting relation with inclined guide edge of the projection to cause the guide edge to engage and lift the lock lever over the projection as the drawer moves inwardly in the compartment,
a drawer operating spring means urging the drawer forwardly out of the compartment and in to open position,
a swivel cam pivoted on the flange of the drawer and below the detent for limited fore and aft swinging, said cam having an upper lock lever guiding portion with fore and aft facing guide faces extending upwardly and convergently of each other for guiding the lock lever upwardly, the cam being higher than the upstanding projection to lift and guide the lock lever over the projection as the drawer moves forwardly, and to be engaged and tipped forwardly by the lock lever as the lock lever slides up the inclined guide edge of the projection during inward movement of the drawer, and the cam havingmeans to limit tipping of the upper guiding portion thereof adjacent the projection and retainer edge thereof.
3. The drawer unit according to claim 2, and
the frame having a stop above the drawer and adjacent the front thereof,
a tiltable pocket lying in the drawer and movable therewith, the pocket having a rear portion with an upright abutment thereon and confronting said stop to engage the stop as the drawer moves forwardly into open position under pressure by said spring means and to thereby tip the pocket upwardly into oblique position to provide ready access into the pocket.
4. A drawer unit including a drawer, a frame in which the drawer is moveable between closed and open posi tions, and a receiving pocket pivotally mounted in the drawer and having a surface arranged to engage the frame as the drawer is moved to the open position, the engagement with the frame causing rotation of the pocket to partially eject the same automatically from the drawer as the drawer is moved into the open position.
|Cited Patent||Filing date||Publication date||Applicant||Title|
|US623537 *||Jun 23, 1898||Apr 25, 1899||Desk or cabinet drawer|
|US833049 *||May 21, 1906||Oct 9, 1906||Frank G Harnish||Label-holder.|
|US3272325 *||Apr 13, 1965||Sep 13, 1966||Philips Corp||Storage case for a tape cartridge|
|US3674329 *||Dec 16, 1970||Jul 4, 1972||Keystone Consolidated Ind Inc||Touch device for cabinet drawer or closure|
|US3677396 *||Oct 30, 1970||Jul 18, 1972||Staar Sa||Storage box for tape-containing cassettes and the like|
|DE1917431A1 *||Apr 3, 1969||Feb 19, 1970||Siemens Ag Albis||Einrichtung zur loesbaren Fixierung von Schubladen in Geraeteschraenken|
|GB1034848A *||Title not available|
|GB1173273A *||Title not available|
|JP42032277A *||Title not available|
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US3995737 *||May 30, 1975||Dec 7, 1976||Idn Inventions And Development Of Novelties Ag||Holders for tape cassettes|
|US4030601 *||May 30, 1975||Jun 21, 1977||Idn Inventions And Development Of Novelties Ag||Holders for tape cassettes|
|US4046255 *||Nov 24, 1975||Sep 6, 1977||Idn Inventions And Development Of Novelties Ag||Container for standard magnetic tape cassette|
|US4050754 *||Sep 12, 1975||Sep 27, 1977||Coley Charles L||Book ejection apparatus|
|US4059319 *||Aug 23, 1976||Nov 22, 1977||Sankyo Electric Company Limited||Vending machine|
|US4111502 *||Aug 24, 1976||Sep 5, 1978||Harvey Kessler||Automobile tape storage case|
|US4113091 *||Jun 4, 1975||Sep 12, 1978||Idn Inventions And Development Of Novelties Ag||Holders for tape cassettes|
|US4159153 *||Nov 2, 1977||Jun 26, 1979||Matushiro Kinzoku Seisakujo Co., Ltd.||Latch device for drawers|
|US4191292 *||Jun 22, 1978||Mar 4, 1980||Schweizer Eduard H||Container for interchangeable tape cassette|
|US4235490 *||Dec 26, 1978||Nov 25, 1980||Le-Bo Products Company, Inc.||Video cassette storage and ejection device|
|US4257524 *||Oct 30, 1978||Mar 24, 1981||Data Packaging Corporation||Cassette storage rack|
|US4275943 *||Mar 31, 1980||Jun 30, 1981||Shape Inc.||Container for a cassette|
|US4323153 *||Jul 30, 1979||Apr 6, 1982||Courtin Gerard C L||Display case for a luxury article|
|US4399913 *||May 18, 1981||Aug 23, 1983||Shape Inc.||Cassette container with flexible and hinged drawers|
|US4431237 *||Nov 4, 1981||Feb 14, 1984||Olympus Optical Co., Ltd.||Tape cassette storage box|
|US4463996 *||Nov 4, 1981||Aug 7, 1984||Olympus Optical Co., Ltd.||Tape cassette storage box|
|US4492417 *||Feb 14, 1984||Jan 8, 1985||Olympus Optical Co., Ltd.||Tape cassette storage box|
|US4493417 *||Dec 23, 1983||Jan 15, 1985||Idn Inventions And Development Of Novelties Ag||Storage device for flat recording media|
|US4512468 *||Nov 26, 1982||Apr 23, 1985||Lebo/Peerless Corp.||Cassette storage device|
|US4557533 *||Mar 4, 1985||Dec 10, 1985||Koch Richard C||Media storage device|
|US4586761 *||Oct 19, 1983||May 6, 1986||Nifco Inc.||Unit case housing apparatus|
|US4602828 *||May 20, 1985||Jul 29, 1986||Nifco Inc.||Housing device for control unit|
|US4607894 *||Aug 28, 1984||Aug 26, 1986||Idn Inventions & Development Of Novelties Ag||Device for storing gramophone and video discs|
|US4640415 *||Jan 16, 1984||Feb 3, 1987||Idn Inventions And Development Of Novelties Ag||Container having automatic doors and for accommodating data storage media|
|US4647117 *||Aug 28, 1984||Mar 3, 1987||Peter Ackeret||Container for storing recording media that are substantially plate-like|
|US4694957 *||Dec 18, 1986||Sep 22, 1987||Peter Ackeret||Container for flat recording media|
|US4712678 *||Nov 13, 1986||Dec 15, 1987||Idn Inventions And Development Of Novelties Ag||Container having automatic doors and for accommodating data storage media|
|US4793480 *||Dec 16, 1986||Dec 27, 1988||Shape Inc.||Storage container for a recording medium with a pivotally mounted tongue|
|US4811323 *||Sep 24, 1987||Mar 7, 1989||Staar S.A.||Apparatus for loading and unloading record disc player|
|US4811995 *||Dec 1, 1986||Mar 14, 1989||Peter Ackeret||Storage container for disc-form recording media|
|US4890735 *||Apr 13, 1988||Jan 2, 1990||Nifco Inc.||Apparatus for accommodating box-like articles|
|US4932522 *||Sep 21, 1989||Jun 12, 1990||Milovich Steven L||CD storage with automatic opening device|
|US4976350 *||Oct 27, 1989||Dec 11, 1990||Nifco Inc.||Apparatus for accommodating box-like articles|
|US5097946 *||Apr 6, 1990||Mar 24, 1992||Emrich Richard A||Storage unit for compact discs and the like|
|US5144963 *||Nov 18, 1991||Sep 8, 1992||Gebr. Happich Gmbh||Ashtray, storage compartment or the like, particularly for automotive vehicles|
|US5207781 *||Apr 30, 1992||May 4, 1993||Julius Blum Gesellschaft M.B.H.||Closing device for moving a drawer to a fully inserted position within a furniture body|
|US5338108 *||Jan 5, 1993||Aug 16, 1994||Hunt Ronald E||Disk storage device|
|US5364179 *||Dec 15, 1992||Nov 15, 1994||Julius Blum Gesellschaft M.B.H.||Closing device for drawers|
|US5984093 *||Nov 7, 1997||Nov 16, 1999||Frick Management Group Limited||Automatic storage media release mechanism for storage media package|
|US6896132||Mar 27, 2002||May 24, 2005||Markus W. Frick||Storage media case|
|US7077488||May 13, 2004||Jul 18, 2006||Grass America Inc.||Drawer closing mechanism|
|US7748799||May 18, 2007||Jul 6, 2010||Julius Blum Gmbh||Drive device for a movably mounted furniture part|
|US8430461 *||Nov 17, 2011||Apr 30, 2013||Jpl Investments, Llc||Furniture with firearm access features|
|US8573216 *||Jan 22, 2011||Nov 5, 2013||Avox Systems Inc.||Vertical drop out box method and apparatus|
|US20050001523 *||May 13, 2004||Jan 6, 2005||Ken Wiklund||Drawer closing mechanism|
|US20050017613 *||Jun 21, 2004||Jan 27, 2005||Paul Cirocco||Front-release lock arrangement for slide assembly|
|US20070103041 *||Nov 9, 2006||May 10, 2007||Peter Kropf||Device for opening and closing a movable furniture part, and furniture part|
|US20070222346 *||May 18, 2007||Sep 27, 2007||Gerhard Kleinsasser||Drive device for a movably mounted furniture part|
|US20120097725 *||Mar 28, 2011||Apr 26, 2012||Kia Motors Corporation||Device for accommodating electronic appliance for vehicle|
|US20120186586 *||Jan 22, 2011||Jul 26, 2012||Gill Christopher F||Vertical Drop Out Box Method And Apparatus|
|US20130127307 *||Nov 17, 2011||May 23, 2013||Joseph W. Cole||Furniture with firearm access features|
|USRE30184 *||Nov 2, 1978||Jan 8, 1980||Idn Inventions And Development Of Novelties Ag||Holders for tape cassettes|
|USRE32753 *||Dec 3, 1986||Sep 20, 1988||Idn Inventions And Development Of Novelties Ag||Storage device for flat recording media|
|CN101068487B||Nov 10, 2005||Apr 13, 2011||尤利乌斯·布卢姆有限公司||Driving device for drawer capable of being movably installed|
|DE2545771A1 *||Oct 13, 1975||Apr 21, 1977||Iisi Products Ag||Storage container for tape cassettes - has spring loaded push button ejection mechanism and automatic cassette locking|
|DE2812052A1 *||Mar 20, 1978||Oct 5, 1978||Macenpat Gmbh||Behaelter mit einer darin befindlichen auswechselbaren bandcassette|
|DE3840903A1 *||Dec 5, 1988||Jun 7, 1990||Fischer Artur Werke Gmbh||Container for receiving cassette-storing containers|
|DE4038324A1 *||Nov 30, 1990||Jun 4, 1992||Happich Gmbh Gebr||Behaeltnis, wie ascher, ablagefach o. dgl. insbesondere fuer fahrzeuge|
|EP0809845A1 *||Oct 24, 1995||Dec 3, 1997||Brian Timothy Boland||Racks and carriers for cd-cases|
|EP0809845A4 *||Oct 24, 1995||Jan 28, 1998||Brian Timothy Boland||Racks and carriers for cd-cases|
|WO1987003791A1 *||Dec 15, 1986||Jul 2, 1987||Thomas Joseph Moloney||A draw-case|
|WO1993014998A1 *||Jan 28, 1992||Aug 5, 1993||Emmrich And Company, Inc.||Storage unit for compact discs and the like|
|WO2004100716A1 *||May 13, 2004||Nov 25, 2004||Grass America Inc.||Drawer closing mechanism|
|WO2006058351A1 *||Nov 10, 2005||Jun 8, 2006||Julius Blum Gmbh||Drive device for a displaceably mounted furniture part|
|WO2007139421A1 *||May 29, 2006||Dec 6, 2007||Federalnoe Gosudarstvennoe Unitarnoe Predpriyatie 'rosysky Federalny Yaderny Tstentr - Vserossysky Nauchno-Issledovatelsky Institut Tekhnicheskoi Fiziki Akademika E.I. Zababakhina'||Device for storing and delivering objects|
|U.S. Classification||312/9.57, 312/333, 312/273, 206/387.12, G9B/23.17|
|Cooperative Classification||A47B88/0477, G11B23/0236|