EP0308354B1 - Ferrure de verrouillage, telle que serrure ou crémone-serrure, comportant un pêne demi-tour - Google Patents

Ferrure de verrouillage, telle que serrure ou crémone-serrure, comportant un pêne demi-tour Download PDF

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Publication number
EP0308354B1
EP0308354B1 EP88440071A EP88440071A EP0308354B1 EP 0308354 B1 EP0308354 B1 EP 0308354B1 EP 88440071 A EP88440071 A EP 88440071A EP 88440071 A EP88440071 A EP 88440071A EP 0308354 B1 EP0308354 B1 EP 0308354B1
Authority
EP
European Patent Office
Prior art keywords
slide
latch bolt
operating
spacer
lock
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
EP88440071A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0308354A1 (fr
Inventor
Marcel Gagnoud
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.)
Drevet Et Cie Ets SA
Original Assignee
Drevet Et Cie Ets SA
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 Drevet Et Cie Ets SA filed Critical Drevet Et Cie Ets SA
Priority to AT88440071T priority Critical patent/ATE71694T1/de
Publication of EP0308354A1 publication Critical patent/EP0308354A1/fr
Application granted granted Critical
Publication of EP0308354B1 publication Critical patent/EP0308354B1/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
    • E05B59/00—Locks with latches separate from the lock-bolts or with a plurality of latches or lock-bolts

Definitions

  • the invention relates to a locking fitting, such as a lock, a bolt-lock or the like, in accordance with the preamble of claim 1.
  • This invention will find its application more particularly in the field of building hardware.
  • a lock comprising a housing secured to a headrest and in which is housed a control mechanism making it possible to actuate a latch bolt and a dead bolt.
  • the latch bolt consists of a body projecting from the headrest and an axis extending said body inside the housing. This axis is slidably mounted in a bearing integral with one of the cover plates of the housing.
  • an elastic element engaged on the axis and cooperating, simultaneously, with a stop provided on the latter and with the bearing, makes it possible to maintain the latch bolt in the projecting position.
  • the control of the latch bolt can be carried out either from a key element or under the action of a follower on which the user can act by means of a handle.
  • said follower comprises a control finger cooperating with a support plane, in the form of a second stop, located on the free part of the axis of the latch bolt, being protruding with respect to the abovementioned bearing.
  • this axis is provided, in its front part, with a bulge having a groove constituting a second support plane with which an intermediate member cooperates, connected to the key element.
  • This lock has a number of drawbacks due to the particular configuration of the latch bolt.
  • the cooperation between the intermediate member, in connection with the key element, and the axis of the latch bolt requires, on the one hand, a surplus of material, formed by a bulge at the level of the front part of this axis, allowing the machining of a groove.
  • said an intermediate member must be designed with relatively tight tolerances.
  • the bearing in which the axis of the latch bolt is slidably mounted is made integral with one of the cover plates of the housing, it is necessary to mount the elastic element on this axis of the U-bolt at the same time as it is placed inside said housing.
  • the present invention aims to remedy these drawbacks.
  • the invention as defined in the claims solves the problem and consists of a locking fitting, such as a lock, a bolt-lock or the like, comprising a housing secured to a headrest and containing a control mechanism provided with a follower and / or a key element for actuating locking elements and more particularly a U-bolt formed by a body projecting from said headrest and an axis housed in the housing, this bolt U-turn comprising, moreover, on the one hand, control means provided with support planes on which act, respectively, a control member connected to a key element and to a control member integral with the follower and, on the other hand, means ensuring its guidance and its positioning in a housing, these means being formed by a spacer comprising an orifice in which the axis of the latch bolt is mounted, this spacer being made integral e cover plates making up said housing.
  • This lock is characterized in that said control means are constituted by a slide having a central lumen delimited at the ends by transverse flanks and serving as a passage for the axis of the latch bolt and the spacer, the flanks transverse being, moreover, provided with an orifice into which the axis of the latch bolt is introduced and cooperating, respectively, with clipping means or the like for immobilizing the slide in translation on the axis and with the internal face of the body relative to the latch bolt, this slide comprising said support planes.
  • this slide which can come from a stamped metal dish avoids the respect of too tight tolerances which, usually, contribute to this increase in the cost of production.
  • FIG. 1, to which the following description relates represents more particularly, a lock fitting of the lock type, according to the invention.
  • the locking fitting 1, shown in FIG. 1 and in accordance with the invention relates to a lock formed, essentially, of a housing 2 secured to a headrest 3 and containing a control mechanism 4 making it possible to actuate elements 5, 6 and, in particular, a U-bolt, marked with the reference 5, and a deadbolt, noted 6.
  • its housing 2 is generally made up of two cover plates 7 connected by spacers 71 and attached to the headrest 3 either by riveting, welding or other.
  • the control mechanism 4 of this lock comprises a follower 8 made integral in rotation with an axis 9 and cooperating with the latch bolt 5.
  • the axis 9 has, in its center, a square hole 10 in which is engaged the handle operating square. This allows the user to act on said follower 8.
  • the follower 8 is provided with elastic return means making it possible to return the operating handle to the rest position after closing or opening the door.
  • an elastic element such as a spiral spring cooperating simultaneously, with the nut 8 and a spacer or a lug secured to the one of the cover plates 7 of the housing 2.
  • the control mechanism 4 also comprises a key element 11, such as a barrel or the like, the function of which is to actuate, by means of control members 12, 13, respectively, the half bolt turn 5 and the deadbolt 6.
  • a key element 11 such as a barrel or the like, the function of which is to actuate, by means of control members 12, 13, respectively, the half bolt turn 5 and the deadbolt 6.
  • the U-bolt 5 comprises guide and positioning means 14 cooperating with the housing 2, integrated elastic return means 15 making it possible to automatically return it to the active position, namely salient with respect to the headrest 3, and control means 16 authorizing interaction with the follower 8 and / or the key element 11.
  • the U-bolt 5 is formed by a body 17 constituting the head of the bolt and emerging from the headrest 3 through a light 18 produced in the latter.
  • This body 17 is integral with a horizontal axis 19 inserted in the housing 2 and coming to cooperate with guide and positioning means 14.
  • the latter are formed by a spacer 20 disposed perpendicularly to the cover plates 7 of the housing 2 and comprising in its center an orifice 21 serving as a passage for the axis 19 of the latch bolt 5.
  • This spacer 20 is made integral with the plates of cover 7 after assembly of the housing 2.
  • said cover plates 7 are provided with a groove in which can be engaged a tongue 22 located on the upper and lower edge of the spacer 20 and ensuring perfect immobility of this last when the axis 19 slides in the hole 21.
  • the control means 16 of the U-bolt 5 consist of a slide 23 mounted on the axis 19. This slide 23 has support planes 24, 25, able to cooperate with control members 12, 26, which are, respectively, connected to the key element 11 and integral with the follower 8.
  • This slide 23 has, more particularly, a central lumen 27 delimited, at the ends, by transverse flanks 28, 29 and serving for the passage of the spacer 20 and to the axis 19 of the U-bolt 5.
  • This axis 19 crosses , right through, the transverse sides 28, 29, thanks to orifices 30 arranged in the latter.
  • the slide 23 moves relative to the spacer 20.
  • the lateral edges 34 of the latter cooperate with the longitudinal edges 33 of the central light 27 of the slide 23, which allows the latter to be guided inside the housing 2.
  • the support planes 24, 25, of the slide 23 are constituted, respectively, by a wing 35, provided with a stop plane 36 and integral with one of the longitudinal edges 37 of said slide 23 and by the rear transverse flank 28.
  • the key element 11 By actuating the key element 11, it is possible to act on the latch bolt 5 via the control member 12, the upper end of which cooperates with the latter and, in particular, with the abutment plane 36 of the wing 35 of the slide 23.
  • the support plane 24 considerably facilitates the connection between the half bolt tower 5 and the control member 12. It should also be noted that the latter can be designed according to relatively wide tolerances.
  • control member 26 is made up of: preferably by a fork 39 composed of two parallel branches extending radially the body of the follower 8.
  • the withdrawal of the U-bolt 5 in the housing 2 can be limited by any known means, for example, a stop integral with said housing 2 and cooperating with the slide 23 or an appropriate arrangement of the cover plates 7.
  • the latter can include on their edge before 40 a cutout 41 made in line with the latch 5 and whose depth defines the maximum withdrawal of the body 17 from the latter in the housing 2 (this embodiment having been shown in FIG. 1).
  • the latter is (determined, on the one hand, by the length 42 of the central light 27, the position of the spacer 20 in the housing 2 and the width of the legs of the fork 39.
  • the elastic return means consist, essentially, of a helical spring 45 engaged on the axis 19 and coming to bear, at its ends 46, 47, respectively, against the front transverse flank 29 of the slide 23 and against the 'spacer 20.
  • the latch bolt 5 comes to slide in the housing 2 causing the displacement of the slide 23 relative to the 'spacer 20, from which the compression of the helical spring 45 results.
  • this helical spring 45 is able to push back the front transverse flank 29 of the slide 23 and bring the latch bolt 5 back into its projecting position relative to the headrest 3.
  • control means 16 of the U-bolt 5 the guide and positioning means 14 of the latter in the housing 2 and the elastic return means 15 form a whole dissociated from the rest of the control mechanism 4 and of said housing 2, which considerably facilitates the mounting of such a locking fitting 1 according to the invention.
  • This locking fitting 1 may also include means 48 making it possible to give the U-bolt 5 a rotation of 180 degrees so as to ensure its reversibility and, consequently, the reversibility of the locking fitting 1.
  • These means of rotation 48 may be accessible from outside the housing 2 and, more precisely, from the front edge of the opening and from an opening 49 made in the rear edge 50 of the housing 2 in line with the axis 19 of the half bolt round 5.
  • these rotation means 48 are constituted by elastic means 51 allowing a projection towards the outside of the body 17 of the latch bolt 5 so as to release said body 17 from the light 18 machined in the headrest 3. In this position , it is possible to confer a 180 degree rotation to the latch 5 due to its axis 19 sliding respectively, in the orifices 30 of the transverse flanks 28, 29 of the slide 23 and in the orifice 21 arranged in the spacer 20.
  • the elastic means 51 are formed, substantially, by a helical spring 52 engaged on the part 53 of the axis 19 which is projecting relative to the rear face 54 of the rear transverse flank 28. This spring 52 cooperates, simultaneously, with this face rear 54 and a washer 55 mounted at the end 56 of the axis 19.
  • the spring 52 comes to compress allowing a horizontal displacement of the latch 5 to project said body 17 outside the light 18. After rotation of 180 degrees, the body 17 is inserted again into the latter, under the effect of the elastic return exerted by the spring 52.
  • this latch 5 is facilitated by a groove 57 made in the end 56 of the axis 19 allowing the engagement of a screwdriver.
  • the washer 55 can be formed, more particularly, by a circlip or the like cooperating with a peripheral groove machined in the axis 19 at its end 56 .
  • the slide 23 can fulfill the function of guiding the U-bolt 5 and, in particular, of the body 17 during their rotation to facilitate, once again, the engagement of the latter in the lumen 18 of the headrest 3.
  • the dimensions of the front transverse flank 29 of the slide 23 are substantially greater than those of the slot 18. Therefore, during the compression of the spring 52, the transverse flank 29 cooperates with the headrest 3, giving rise to significant friction forces between them. This avoids an offset of the body 17 relative to said lumen 18 during the rotation of the U-bolt 5.
  • the dimensions of said front transverse flank 29 of the slide 23 are substantially smaller than those of the slot 18.
  • the compression of the spring 52 not only causes the projection of the body 17 outside the slot 18, but also the engagement of the front transverse flank 29 in the latter. This results in the cooperation between the side edges 60 and bottom and top 61 of the front transverse flank 29 with the longitudinal and transverse edges of the lumen 18, guiding the latch bolt 5.

Landscapes

  • Lock And Its Accessories (AREA)
  • Seats For Vehicles (AREA)
  • Catching Or Destruction (AREA)
  • Input From Keyboards Or The Like (AREA)
EP88440071A 1987-09-09 1988-08-30 Ferrure de verrouillage, telle que serrure ou crémone-serrure, comportant un pêne demi-tour Expired - Lifetime EP0308354B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88440071T ATE71694T1 (de) 1987-09-09 1988-08-30 Schloss oder treibstangenbeschlag mit einer falle.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8712583A FR2620159B1 (fr) 1987-09-09 1987-09-09 Ferrure de verrouillage, telle que serrure ou cremone-serrure, comportant un pene demi-tour
FR8712583 1987-09-09

Publications (2)

Publication Number Publication Date
EP0308354A1 EP0308354A1 (fr) 1989-03-22
EP0308354B1 true EP0308354B1 (fr) 1992-01-15

Family

ID=9354790

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88440071A Expired - Lifetime EP0308354B1 (fr) 1987-09-09 1988-08-30 Ferrure de verrouillage, telle que serrure ou crémone-serrure, comportant un pêne demi-tour

Country Status (7)

Country Link
EP (1) EP0308354B1 (sv)
JP (1) JPH0197779A (sv)
AT (1) ATE71694T1 (sv)
DE (1) DE3867778D1 (sv)
ES (1) ES2029068T3 (sv)
FR (1) FR2620159B1 (sv)
GR (1) GR3004081T3 (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19607578C2 (de) * 1996-02-29 1998-07-16 Dorma Gmbh & Co Kg Einsteckschloß
ES2324383B1 (es) * 2007-10-29 2010-02-02 Talleres De Escoriaza, S.A. Dispositivo de picaporte reversible para cerraduras.
GR1009649B (el) * 2018-07-11 2019-11-14 ΚΛΕΙΘΡΟΠΟΙΪΑ DOMUS ΑΕΒΕ με δ.τ. "DOMUS ΑΕΒΕ" Κλειδαρια ανοιγομενης θυρας με διαταξη επαυξησης αντιστασης παραβιασης γλωσσας ασφαλισεως

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2569755B1 (fr) * 1984-09-04 1989-02-10 Drevet & Cie Serrure a rappel du pene demi-tour par un organe coulissant

Also Published As

Publication number Publication date
JPH0197779A (ja) 1989-04-17
FR2620159A1 (fr) 1989-03-10
EP0308354A1 (fr) 1989-03-22
DE3867778D1 (de) 1992-02-27
GR3004081T3 (sv) 1993-03-31
ATE71694T1 (de) 1992-02-15
ES2029068T3 (es) 1992-07-16
FR2620159B1 (fr) 1989-11-24

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