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EP0431518A2 - Serrure pour meubles - Google Patents

Serrure pour meubles Download PDF

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Publication number
EP0431518A2
EP0431518A2 EP19900123099 EP90123099A EP0431518A2 EP 0431518 A2 EP0431518 A2 EP 0431518A2 EP 19900123099 EP19900123099 EP 19900123099 EP 90123099 A EP90123099 A EP 90123099A EP 0431518 A2 EP0431518 A2 EP 0431518A2
Authority
EP
European Patent Office
Prior art keywords
housing
spring
recessed grip
furniture lock
locking part
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
EP19900123099
Other languages
German (de)
English (en)
Other versions
EP0431518A3 (en
EP0431518B1 (fr
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.)
BAUER, HANS-JUERGEN
Original Assignee
Robert Thoma Rotho - Kunststoffwerke GmbH
Bauer Hans-Juergen
THOMA ROBERT ROTHO KUNSTSTOFF
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 Robert Thoma Rotho - Kunststoffwerke GmbH, Bauer Hans-Juergen, THOMA ROBERT ROTHO KUNSTSTOFF filed Critical Robert Thoma Rotho - Kunststoffwerke GmbH
Publication of EP0431518A2 publication Critical patent/EP0431518A2/fr
Publication of EP0431518A3 publication Critical patent/EP0431518A3/de
Application granted granted Critical
Publication of EP0431518B1 publication Critical patent/EP0431518B1/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
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/08—Fastening locks or fasteners or parts thereof, e.g. the casings of latch-bolt locks or cylinder locks to the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/16—Use of special materials for parts of locks
    • E05B15/1635—Use of special materials for parts of locks of plastics materials
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/44—Locks or fastenings for special use for furniture
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C1/00—Fastening devices with bolts moving rectilinearly
    • E05C1/08—Fastening devices with bolts moving rectilinearly with latching action
    • E05C1/12—Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
    • E05C1/14—Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the handle or member moving essentially towards or away from the plane of the wing or frame
    • E05C1/145—Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the handle or member moving essentially towards or away from the plane of the wing or frame flush
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B2009/004—Shape of the lock housing
    • E05B2009/006—Shape of the lock housing circular

Definitions

  • the invention relates to a furniture lock made of plastic, which od. is mounted in an installation opening, on the inside of the door a housing with a locking part biased by a spring in the closing direction is arranged and on the outside of the door a recessed handle recess is provided, in which an actuating element is pivotally mounted, which with a push lever is operatively connected to the locking part in such a way that when the actuating element is pivoted, the locking part is retracted against the spring preload in the opening direction and the recessed grip is also connected to the housing via connecting elements during the assembly of the furniture lock in the installation opening.
  • Such furniture locks which are also used in particular in camping vehicles of all types, are generally known as so-called “snap locks", the actuating element being formed in many cases by the handle bar of the recessed grip, so that when pulling to open the door or the like, the same time Bolt is pushed back.
  • Known furniture locks of this type use a relatively large number of individual parts.
  • the actuating element is mounted on a separately insertable axis in the recessed grip.
  • the bolt and spring are also usually manufactured as individual parts and in the Lock housing used.
  • a number of screws are usually used to connect the recessed grip, which also contains a separate rear wall, which is also to be assembled as an individual part, and is screwed into the corresponding holes in the recessed grip from the housing side. Due to the large number of individual parts and the type of connection between the recessed grip and the housing, the assembly and installation of such known furniture locks is a comparatively labor-intensive process. In addition, both the manufacture and the position of the necessary individual parts are cumbersome.
  • a caravan lock is also known, in which the lock consists of two main parts, which in turn are made from a large number of individual parts.
  • One of the main parts is arranged on the inner surface of the door, while the other counterpart, which forms the handle mounting, is embedded on the opposite side of the door.
  • the two parts are connected to each other in a cylindrical and comparatively precise entry opening in that the jacket of the inner end of the cylinder housing fastened in a twist grip has a plurality of toothed longitudinal ribs which engage in corresponding formations of the opposite lock part. This makes it possible to install such a lock in doors of different wall thicknesses.
  • the object of the invention is to manufacture it from as few individual parts as possible and thus to considerably facilitate the assembly and installation of such a furniture lock without its functionality and, inter alia, also the ability to operate in doors of various strengths to be installed, is reduced.
  • the housing with the spring and the locking part is formed as a first one-piece plastic part and that the recessed grip with the rear wall of the actuating element and the push lever is designed as a one-piece second plastic part.
  • the connecting elements are integrally formed as a complementarily shaped, positive locking device on the housing and the recessed grip on surfaces of the housing and the recessed grip which are opposite one another in the installed position of the furniture lock.
  • the invention can be further developed in that the spring is provided at its end opposite the connection with the locking part with a support plate and that the support plate is connected via a film hinge to a wall of the housing in such a way that the spring with the locking part can be pivoted into the interior of the housing for assembly.
  • the functional locking part of the furniture lock during assembly made that by compressing the plastic spring this is simply folded together with the locking part in the housing.
  • the guide for the locking part is preferably formed by wall sections extending from the bottom of the housing. The latch is folded between them during assembly.
  • the rear wall is connected to a side wall of the recessed grip via a film hinge in such a way that the rear wall can be pivoted for mounting on the lower edges of the side walls of the recessed grip. This also makes it possible to mount the recessed grip by simply pivoting the rear wall.
  • the rear wall can be fixed on the lower edges of the recessed grip, it being provided in a preferred embodiment according to the invention that the rear wall can be snapped onto the lower edges by means of locking strips. This ensures that the recessed grip is designed to be easy to handle during assembly and that it is not necessary to hold the rear wall in place in any way during assembly.
  • the actuating element is connected to the recessed grip by a hinge which is formed by a notch which linearly weakens the wall thickness.
  • the locking devices forming the connecting elements consist of a number of spring tongues formed on the housing with sawtooth-shaped teeth and corresponding counter-teeth on the recessed grip.
  • the teeth are preferably arranged on the side of the spring tongues facing the center of the housing and the counter teeth are formed on the outside of the side walls of the recessed grip.
  • the spring tongues are arranged opposite one another and at a distance inwards opposite two side walls of the housing.
  • the invention can be further developed in that, in the case of spring tongues lying next to one another in pairs, the toothing of one spring tongue against the toothing of the adjacent spring tongue by half the tooth pitch in the longitudinal direction the spring tongue is offset.
  • mating guide pins and corresponding guide bores on the recessed grip and the housing which ensure that the two parts are moved towards one another in the correct orientation when they are positioned over the installation opening of a door .
  • the installation is done by simply pressing the two parts together.
  • the furniture lock 1 illustrated in the drawings, which is made of plastic, is illustrated in FIGS. 1 to 5 installed on a door 2 or the like above an installation opening 3.
  • the furniture lock 1 bridges the inside 4 of the door and the outside 5 thereof through the installation opening 3.
  • a housing 6 On the inside 4 of the door 2, a housing 6 is arranged, which is biased by a spring 7 in the closing direction Tes locking member 8, which projects laterally from the housing 6 in the biased closed position.
  • a recessed grip 9 On the front, i.e. on the outside 5 of the door 2 there is a recessed grip 9 which is partially closed by a rear wall 10.
  • An actuating element 11 is pivotally mounted in the recessed grip 9 and is connected to the locking part 8 via an integrally molded thrust lever 12.
  • the arrangement is such that the actuating element 11 practically forms the grip bar of the recessed grip 9, so that when the door is opened, the actuating element 11 is first pivoted outward and thereby moves the locking part 8 into the housing 6 via the push lever 12, so that the door can be opened.
  • the two main parts of the furniture lock i.e. the housing 6 and the recessed grip 9 are connected to one another via connecting elements generally designated 13 and cover the installation opening 3 on both sides.
  • the housing 6 is designed together with the spring 7 and the locking part 8 as an integral plastic part 14.
  • the connecting elements 13 are designed as complementarily shaped, form-fitting latching devices 16, which are also integrally formed on the mutually opposite surfaces 17 and 18 of the housing 6 or the recessed grip 9.
  • FIGS. 6 to 16 on the basis of which the preferred starting shape of the housing 6 and the recessed grip 9 are described, as they are designed for the simplest possible production by injection molding.
  • the spring 7 is integrally formed on the locking part 8 with one end 19 and has a support plate 21 which is also integrally formed on its opposite end 20.
  • the housing 6 has side walls 22, 23, 24 and 25 and a bottom 26, which together enclose an interior space 27, which in the illustrated embodiment has the shape of a bowl.
  • the support plate 21 at the end 20 of the spring 7 is connected via a film hinge 28 to the side wall 23 of the housing 6, whereby, as can be seen in particular from FIG. 9, the spring 7 with the locking part 8 attached to it for mounting the furniture lock 1 in the interior 27 of the housing 6 can be pivoted away over the side wall 23, in order then to assume the position illustrated in FIGS. 4 and 5 together with the locking part 8.
  • the spring 7 is compressed at the same time.
  • the locking part 8 is held with a stop 56 formed on its underside behind a stop 57 formed on the bottom 26 of the housing 6.
  • the guide 29 for the locking part 8 is in this case formed by upstanding wall sections 30, 31, 32 and 33 starting from the bottom 26 of the housing 6, of which the wall sections 30 and 31 take over the lateral guidance of the locking part 8, while the wall sections 32 and 33 form the guides on which the bolt part 8 slides with its back.
  • the recessed grip 9 illustrated in its state as it leaves the injection molding machine in FIGS. 6, 7 and in details 12 to 15 has side walls 34, 35, 36 and 37.
  • a film hinge 38 is formed on the side wall 38 of the recessed grip 9, which is illustrated in a greatly enlarged manner in FIG. 13.
  • the rear wall 10 is also integrally connected to the recessed grip 9 via the film hinge 38 and can be pivoted against the lower edges 39, 40, 41 and 42 of the side walls 34, 35, 36 and 37 in order to mount the recessed grip 9.
  • the actuating element 11 is also connected in one piece to the recessed grip 9 by a hinge 44, which is similar to a film hinge, but is made stronger due to the frequency of actuation.
  • the hinge 44 is formed by a notch 45 which linearly weakens the wall thickness of the recessed grip 9 at this point.
  • the notch 45 here has an angle on the order of approximately 90 ° between its two side surfaces 58 and 59, so that these side surfaces 58 and 59 simultaneously represent a limitation for the pivoting movement of the actuating element 11.
  • the locking devices 16 forming the connecting elements 13 consist of a number of spring tongues 47 and 48 formed on the housing 6, which on their side pointing towards the center of the housing 6 with sawtooth-like toothing 49 and 50 illustrated on an enlarged scale in FIG. 6 are trained.
  • the associated counter-teeth 51 and 52 are formed on the outside of the side walls 36 and 39 of the recessed grip and are illustrated in a greatly enlarged scale in FIG. 15.
  • the teeth 49 and 50 and the counter teeth 51 and 52 on the recessed grip 9 have a pitch on the order of 1 mm.
  • the spring tongues 47 and 48 are also integrally formed on opposite sides at a distance from the associated side walls 22 and 24 of the housing 6.
  • At least two such spring tongues 47 and 48 are arranged on each of the two side walls 22 and 24, with four such springs in the preferred embodiment tongues 47 and 48 are provided.
  • Each spring tongue 47 forms a pair with a spring tongue 48, the spring tongues 47 and 48 therefore being arranged in pairs next to one another.
  • the toothing 49 of one spring tongue 47 is offset from the toothing 50 of the adjacent spring tongue 48 by half a tooth pitch in the longitudinal direction of the spring tongues.
  • 9 guide devices are provided on the housing 6 and the recessed grip, which facilitate the assembly of the two parts.
  • this is a guide pin 53, which can be inserted into a guide bore 54.
  • the spring 7 is preferably formed by a corrugated preformed wall section 55 which has the same height as the locking part 8. On the one hand, this increases the spring force possible in the available space and, on the other hand, supports safe guidance of the locking part 8 by the wall section 55, which forms the spring 7, also being guided by the guide 29, which is guided through the wall sections 30, 31, 32 and 33 is formed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Hinges (AREA)
EP90123099A 1989-12-04 1990-12-03 Serrure pour meubles Expired - Lifetime EP0431518B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3940061A DE3940061C2 (de) 1989-12-04 1989-12-04 Türschloß
DE3940061 1989-12-04

Publications (3)

Publication Number Publication Date
EP0431518A2 true EP0431518A2 (fr) 1991-06-12
EP0431518A3 EP0431518A3 (en) 1991-10-23
EP0431518B1 EP0431518B1 (fr) 1994-06-08

Family

ID=6394777

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90123099A Expired - Lifetime EP0431518B1 (fr) 1989-12-04 1990-12-03 Serrure pour meubles

Country Status (2)

Country Link
EP (1) EP0431518B1 (fr)
DE (2) DE3940061C2 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2686118A1 (fr) * 1992-01-15 1993-07-16 Allibert Manutention Mecanisme de serrure pour porte ou abattant.
FR2784132A1 (fr) * 1997-04-03 2000-04-07 Ferco Int Usine Ferrures Ferrure de verrouillage pour ouvrant coulissant de porte, fenetre ou analogue
EP1288405A1 (fr) * 1997-04-03 2003-03-05 Ferco International Ferrures Et Serrures De Batiment Ferrure de verrouillage pour ouvrant coulissant de porte, fenêtre ou analogue
EP1249382A3 (fr) * 2001-04-13 2004-04-14 F. HESTERBERG & SÖHNE GmbH & Co. KG Dispositif de verrouillage pour panneaux latéraux de véhicules de transport
EP1683934A3 (fr) * 2005-01-20 2006-10-11 Schulte-Schlagbaum Aktiengesellschaft Serrure, en particulier serrure pour porte de chambre

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2290342B (en) * 1994-06-03 1998-04-22 Strattec Security Corp Tumblerless automobile ignition lock
DE19937625A1 (de) * 1999-08-10 2001-02-15 Bsh Bosch Siemens Hausgeraete Verriegelungselement
US6958551B2 (en) 2002-06-25 2005-10-25 Strattec Security Corporation Vehicle coded ignition lock using a magnetic sensor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1124053A (en) * 1965-10-26 1968-08-21 Metropolitan Plastics Ltd Improvements in and relating to locks
US3737067A (en) * 1971-02-22 1973-06-05 A J Krajewski Manuf Co Plastic box having integrally molded latch
DE3427191A1 (de) * 1984-07-24 1986-03-20 Trola Kunststofferzeugnisse GmbH, 8501 Schwaig Riegel für Schiebetüren von Möbeln
FR2600108A1 (fr) * 1986-06-11 1987-12-18 Sansen Sa Dispositif de montage sur une porte d'une poignee munie d'un mecanisme de serrure incorpore et porte munie d'un tel dispositif
FR2628717A1 (fr) * 1988-03-15 1989-09-22 Microtechnic Sa Boitier inviolable en matiere synthetique pour la presentation et l'offre en vente de produits
DE8808718U1 (de) * 1988-07-07 1989-11-02 Schmale GmbH & Co KG, 5880 Lüdenscheid Schloß mit Drehriegel

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2325627C2 (de) * 1973-05-21 1983-10-06 Huwil-Werke Gmbh Moebelschloss- Und Beschlagfabriken, 5207 Ruppichteroth Fallenschloß
DE2605427A1 (de) * 1976-02-12 1977-08-18 Jul Niederdrenk Fa Dreiriegelschloss

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1124053A (en) * 1965-10-26 1968-08-21 Metropolitan Plastics Ltd Improvements in and relating to locks
US3737067A (en) * 1971-02-22 1973-06-05 A J Krajewski Manuf Co Plastic box having integrally molded latch
DE3427191A1 (de) * 1984-07-24 1986-03-20 Trola Kunststofferzeugnisse GmbH, 8501 Schwaig Riegel für Schiebetüren von Möbeln
FR2600108A1 (fr) * 1986-06-11 1987-12-18 Sansen Sa Dispositif de montage sur une porte d'une poignee munie d'un mecanisme de serrure incorpore et porte munie d'un tel dispositif
FR2628717A1 (fr) * 1988-03-15 1989-09-22 Microtechnic Sa Boitier inviolable en matiere synthetique pour la presentation et l'offre en vente de produits
DE8808718U1 (de) * 1988-07-07 1989-11-02 Schmale GmbH & Co KG, 5880 Lüdenscheid Schloß mit Drehriegel

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2686118A1 (fr) * 1992-01-15 1993-07-16 Allibert Manutention Mecanisme de serrure pour porte ou abattant.
FR2784132A1 (fr) * 1997-04-03 2000-04-07 Ferco Int Usine Ferrures Ferrure de verrouillage pour ouvrant coulissant de porte, fenetre ou analogue
EP1288405A1 (fr) * 1997-04-03 2003-03-05 Ferco International Ferrures Et Serrures De Batiment Ferrure de verrouillage pour ouvrant coulissant de porte, fenêtre ou analogue
EP1249382A3 (fr) * 2001-04-13 2004-04-14 F. HESTERBERG & SÖHNE GmbH & Co. KG Dispositif de verrouillage pour panneaux latéraux de véhicules de transport
EP1683934A3 (fr) * 2005-01-20 2006-10-11 Schulte-Schlagbaum Aktiengesellschaft Serrure, en particulier serrure pour porte de chambre
DE102005021419B4 (de) 2005-01-20 2019-06-06 Schulte-Schlagbaum Ag Schloss, insbesondere Zimmertürschloss

Also Published As

Publication number Publication date
DE3940061C2 (de) 1994-06-30
DE59006036D1 (de) 1994-07-14
EP0431518A3 (en) 1991-10-23
EP0431518B1 (fr) 1994-06-08
DE3940061A1 (de) 1991-06-06

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