EP0574373A1 - Système de blocage pour tiroirs - Google Patents

Système de blocage pour tiroirs Download PDF

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Publication number
EP0574373A1
EP0574373A1 EP93890091A EP93890091A EP0574373A1 EP 0574373 A1 EP0574373 A1 EP 0574373A1 EP 93890091 A EP93890091 A EP 93890091A EP 93890091 A EP93890091 A EP 93890091A EP 0574373 A1 EP0574373 A1 EP 0574373A1
Authority
EP
European Patent Office
Prior art keywords
guide
area
side piece
pull
drawers
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.)
Granted
Application number
EP93890091A
Other languages
German (de)
English (en)
Other versions
EP0574373B1 (fr
Inventor
Rudolf Dipl.-Ing. Svoboda
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.)
Mobelwerk Svoboda & Co
Original Assignee
Mobelwerk Svoboda & Co
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 Mobelwerk Svoboda & Co filed Critical Mobelwerk Svoboda & Co
Publication of EP0574373A1 publication Critical patent/EP0574373A1/fr
Application granted granted Critical
Publication of EP0574373B1 publication Critical patent/EP0574373B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

  • the invention relates to a pull-out lock for drawers with a locking rail which is guided approximately vertically into the side wall of the body and which has a number of guide pins corresponding to the number of drawers for engagement in a guide in the side piece of the drawer, the guide being a groove which essentially is arranged running over the entire length of the side piece.
  • Pull-out locks for drawers with a locking rail which is guided approximately vertically into the side wall of the body and which has a number of guide pins corresponding to the number of drawers which can engage in a guide in the side piece of the drawer are known in the prior art. Their function is to prevent more than one drawer from a box, desk or the like at the same time. can be pulled out, among other things, to prevent it from tilting due to the shift of the center of gravity.
  • Such a pull-out lock is e.g. from a locking rail guided vertically in the side wall of the body, which has a number of guide pins corresponding to the number of drawers which engage with the drawers, and lock all other drawers when a drawer is pulled out.
  • a kind of curve guide or control link is attached to the front end of the side piece of the drawer, which lifts a corresponding guide pin of the locking rail, which is in its lowest position when closed, when a drawer is pulled out, as a result of which the other guide pins lock the other drawers.
  • the locking rail is lifted until it triggers a spring-loaded or lever-loaded locking piece and is held by it in the raised position when the drawer is pulled out further.
  • the locking piece must prevent the locking rail from falling down due to vibrations, for example, depending on the shape of the link guide all other drawers could also be pulled out, making the pull-out lock ineffective.
  • US-A-3 870 387 a pull-out lock with the features of the introductory part of claim 1 is known.
  • the guide according to US-A-3 870 387 extends essentially over the entire length of the side piece and has in its front region an extension and a flange or projection arranged above this extension, which forms a locking area when the box is to be locked .
  • this flange In normal operation, ie when the box is not locked, this flange has no function, and in particular it does not prevent further drawers from being pulled out if one is already pulled out.
  • the object of the invention is to provide a pull-out lock which is simple and inexpensive to manufacture, works safely and reliably and is also very easy to lock.
  • the guide preferably has a vertical blocking area in the area of the front end of the side piece and an ascending area which adjoins the lower end of the blocking area and which is followed by a horizontal area.
  • the locking rollers are dimension X and the guide rails spaced apart by the dimension Z. If a drawer is pulled out, the central axis of the guide roller of an adjacent drawer is spaced apart by a dimension Z minus X from the central axis of the guide rail. However, this distance is relatively small due to design conditions, so that in connection with the wedge effect on the expanding, front end of the guide rail, a very high mechanical load acts on both the guide rail and the locking rail or the rollers when an attempt is also made pull out the neighboring drawer. This can even damage the entire pull-out lock.
  • the guide pin on the side piece is a groove, which preferably has a vertical blocking area in the area of the front end of the side piece and one at the bottom End of the restricted area adjacent, ascending area, which is followed by a horizontal area.
  • the horizontal area at the rear end of the side piece merges into a sloping area. If a drawer is removed from the body, the locking rail is guided downwards through the sloping area at the rear end of the side piece when the drawer is removed, so that the lock on the other drawers is lifted and, on the other hand, the drawer is easily inserted again when the locking rail is pushed down can be.
  • the guide pin slides in the guide when pushing in and pulling out the drawer and could develop disturbing noises, it can be provided according to the invention that in the transition area of the groove from the rising area to the horizontal area an increase is provided and that the width of the groove is larger than the width or the diameter of the guide pin.
  • the guide pin is raised slightly above the level of the lower guide flank of the guide groove and held there by the frictional force between the locking rail and the body, so that it does not touch the upper or the lower guide flank of the groove when it goes back and forth in the horizontal region is pushed here.
  • the guide groove according to the invention can be produced in different ways depending on the material.
  • injection molded parts it can e.g. can also be molded during its manufacture, but can also be milled into drawers or side pieces made of wood.
  • a recess is arranged in the front area of the side piece, into which an insert piece can be inserted, which has at least the vertical blocking area and the rising area as well as possibly the cant and part of the horizontal area.
  • the front part of the guide which has the locking or unlocking function takes over, can also be used in a simple manner with extruded profiles after a corresponding recess has been worked out in them.
  • a preferably continuous, cross-sectionally T-shaped groove is provided in the side piece, which forms the horizontal region.
  • This embodiment can be developed in that a telescopic piece with an approximately U-shaped cross section is guided in the T-shaped groove and that the end of the groove of the telescopic piece facing the rear end of the side piece is closed. This embodiment is particularly advantageous if the drawer is to be pulled out of the body over its entire length without the guide pin disengaging from the guide groove, which could raise the problems described at the beginning.
  • a side piece 1 of a drawer for example made of wood, is shown, which, as known per se, a guide groove 3, for example for a roller guide of the drawer in a body.
  • a guide 4 is milled into the side piece 1 of the drawer, which in the area of the front end 5 of the side piece 1 has a vertical blocking area 6, an adjoining area 7, which extends obliquely upwards from the lower end of the blocking area 6, and an adjoining area horizontal region 8 and in the region of the rear end 10 of the side piece 1 has a sloping region 9.
  • the guide pins 13, 13 ', 13' 'shown in FIG. 7 are located at the lower end 12 of the locking area 6 of the guide 4 of each drawer. If a drawer is pulled out, the guide pin 13, 13 'or 13' 'assigned to it moves upwards along the inclined area 7 and the other guide pin in the blocking areas 6 assigned to it to its upper end 11, so that the drawers are no longer pulled out can. Since the guide pin 13, 13 'or 13' 'is securely guided in the area 7 or 8 of the guide 4, a locking device or the like is not necessary. for the locking rail 14 to which the guide pins 13, 13 ', 13' 'are attached.
  • an elevation 16 by the dimension h is provided in the transition area from the rising area 7 to the horizontal area 8.
  • the width of the guide 4 is slightly larger than the diameter of the pin 13, 13 ', 13'', so that the pin 13, 13', 13 '' does not abut the flanks 17, 18 of the guide groove 4 in the region 8, as a result of which Moving a drawer can avoid annoying sliding noises. Since a slight sliding friction acts between the locking rail 14 and the side wall 19 of the body in which it is guided, the locking rail 14 remains fixed in the position predetermined by the elevation 16.
  • Fig. 3 an embodiment of a side piece 2 is shown, which is preferably implemented in extruded profiles.
  • the drawer can be opened via the side piece 2 in a conventional manner, e.g. shown at 20, be mounted on the side wall 19 of the body.
  • the guide pin 13 is guided in a T-groove 21.
  • a recess 23 e.g. be milled, which interrupts the guide groove 21.
  • an insert 24 is inserted, which has the blocking area 6, the rising area 7, the elevation 16 and part of the horizontal guide groove 8.
  • the guide groove 8 merges into the T-shaped groove 21.
  • a telescopic piece 25 is slidably guided in the T-slot 21, which has a substantially U-shaped cross section.
  • the telescopic piece 25 is closed at the rear end 26.
  • the guide pin 13 shown in broken lines in FIG. 3 comes to rest on the rear end 26 of the telescopic piece 25 and pulls it out of the T-slot 21. If the drawer is pushed back in, the guide pin slides forward in the telescopic piece 25 and then in the guide groove 21. Unless it is pushed forward by the guide pin 13 by friction, the telescopic piece 25 is pushed into the T-shaped groove 21 from the rear wall of the body when the drawer is pushed all the way in.
  • a side wall 19 of the body is shown schematically.
  • guides 30, 30 ', 30''are fastened with guide rollers 31, 31', 31 '', which are accommodated, for example, in the guide groove 3 of the side piece 1 according to FIG. 1 are.
  • the locking rail 14 has a shoulder 33 on which a lock can engage, which is arranged on the top drawer.
  • the lock rail 14 can be pushed up and down by the lock, which means that all drawers can be unlocked or locked in a simple manner. Since according to the invention for the locking rail 14 no locking by locking devices or the like. is necessary to keep them in their uppermost position when a drawer is pulled out, the locking of the locking rail 14 is particularly easy with a lock.
  • the invention can be represented as follows, for example:
  • the guide 4 is a groove which preferably has a vertical blocking area 6 in the area of the front end 5 of the side piece 1 and an ascending area 7 adjoining the lower end of the blocking area 6, which is followed by a horizontal area 8, 21. If one of several drawers is pulled out, the locking rail is raised and the guide pins provided on it and assigned to the other drawers move upward in its locking area. The other drawers cannot then be pulled out.
  • the guide 4 ensures that the locking rail is securely held and guided over the entire pull-out area of the drawer. A locking device, which holds the locking rail in its raised position, is not required.

Landscapes

  • Drawers Of Furniture (AREA)
  • Lock And Its Accessories (AREA)
EP93890091A 1992-05-12 1993-05-05 Système de blocage pour tiroirs Expired - Lifetime EP0574373B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT972/92 1992-05-12
AT0097292A AT400212B (de) 1992-05-12 1992-05-12 Auszugsperre für schubladen

Publications (2)

Publication Number Publication Date
EP0574373A1 true EP0574373A1 (fr) 1993-12-15
EP0574373B1 EP0574373B1 (fr) 1996-02-07

Family

ID=3504028

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93890091A Expired - Lifetime EP0574373B1 (fr) 1992-05-12 1993-05-05 Système de blocage pour tiroirs

Country Status (3)

Country Link
EP (1) EP0574373B1 (fr)
AT (2) AT400212B (fr)
DE (1) DE59301577D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007032686A1 (fr) * 2005-09-15 2007-03-22 Ebeco As Rayonnage commercial
US11377878B1 (en) * 2021-03-25 2022-07-05 Office Angunsa Co., Ltd. Safety storage furniture

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10210609B4 (de) * 2002-03-11 2004-02-19 Fujitsu Siemens Computers Gmbh Anordnung zur Sicherung eines ausgezogenen Einschubs in einem Rack

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870387A (en) * 1974-03-27 1975-03-11 Harbor Universal Inc File drawer interlock mechanism
DE2603753A1 (de) * 1976-01-31 1977-08-11 Schulz Kunststoff Heino Vorrichtung zum fuehren von aus moebeln ausziehbaren moebelteilen, wie tisch- oder schrankschubkaesten
DE2908336A1 (de) * 1978-04-05 1979-10-18 Blum Gmbh Julius Ausziehfuehrung fuer schubladen o.dgl.
FR2486786B1 (fr) * 1980-07-21 1985-04-26 Vickers Ltd
DE3822678A1 (de) * 1988-07-05 1990-01-11 Hettich Paul Gmbh & Co Beschlag fuer ein mehrere uebereinander angeordnete schubkaesten aufweisendes moebel

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2240067A (en) * 1937-07-06 1941-04-29 All Steel Equip Company Inc File cabinet and the like
US3764190A (en) * 1971-04-07 1973-10-09 Shaw Walker Co Lateral file

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870387A (en) * 1974-03-27 1975-03-11 Harbor Universal Inc File drawer interlock mechanism
DE2603753A1 (de) * 1976-01-31 1977-08-11 Schulz Kunststoff Heino Vorrichtung zum fuehren von aus moebeln ausziehbaren moebelteilen, wie tisch- oder schrankschubkaesten
DE2908336A1 (de) * 1978-04-05 1979-10-18 Blum Gmbh Julius Ausziehfuehrung fuer schubladen o.dgl.
FR2486786B1 (fr) * 1980-07-21 1985-04-26 Vickers Ltd
DE3822678A1 (de) * 1988-07-05 1990-01-11 Hettich Paul Gmbh & Co Beschlag fuer ein mehrere uebereinander angeordnete schubkaesten aufweisendes moebel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007032686A1 (fr) * 2005-09-15 2007-03-22 Ebeco As Rayonnage commercial
US11377878B1 (en) * 2021-03-25 2022-07-05 Office Angunsa Co., Ltd. Safety storage furniture

Also Published As

Publication number Publication date
DE59301577D1 (de) 1996-03-21
ATE134013T1 (de) 1996-02-15
EP0574373B1 (fr) 1996-02-07
AT400212B (de) 1995-11-27
ATA97292A (de) 1995-03-15

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