EP0296086B1 - Crémone, en particulier une crémone-serrure, comportant une ou plusieurs tringles de manoeuvre à rappel élastique - Google Patents

Crémone, en particulier une crémone-serrure, comportant une ou plusieurs tringles de manoeuvre à rappel élastique Download PDF

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Publication number
EP0296086B1
EP0296086B1 EP88440043A EP88440043A EP0296086B1 EP 0296086 B1 EP0296086 B1 EP 0296086B1 EP 88440043 A EP88440043 A EP 88440043A EP 88440043 A EP88440043 A EP 88440043A EP 0296086 B1 EP0296086 B1 EP 0296086B1
Authority
EP
European Patent Office
Prior art keywords
operating
bore
locking
operating rods
movable piston
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
EP88440043A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0296086A1 (fr
Inventor
Gérard Prévot
Jean-Claude Legrand
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.)
Ferco International Usine de Ferrures de Batiment
Original Assignee
Ferco International Usine de Ferrures de Batiment
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 Ferco International Usine de Ferrures de Batiment filed Critical Ferco International Usine de Ferrures de Batiment
Priority to AT88440043T priority Critical patent/ATE72011T1/de
Publication of EP0296086A1 publication Critical patent/EP0296086A1/fr
Application granted granted Critical
Publication of EP0296086B1 publication Critical patent/EP0296086B1/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
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/0041—Damping means
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/18—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
    • E05B63/20—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position released automatically when the wing is closed
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/02—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/0801—Multiple
    • Y10T292/0834—Sliding
    • Y10T292/0836—Operating means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/57—Operators with knobs or handles

Definitions

  • the invention relates to a locking device according to the preamble of claim 1.
  • a device for locking a leaf and, more particularly, a lock which comprises a housing containing a control mechanism making it possible to actuate, for example by a handle, a locking element constituted by a latch bolt.
  • the latter is subjected to elastic return means which, when the handle is released, systematically brings it back, in the locked position, namely salient with respect to the front edge of the leaf in which said lock is inserted.
  • the problem which the invention described in this prior document proposes to remedy lies in the fact that after having actuated the lock through the control handle, and following the release of the latter, the various elements, subjected to means elastic return, tend, arriving at the end stop, to produce a noise which can be particularly annoying.
  • the solution proposed consists in equipping the lock, precisely, with damping means which slow down the movement of the latch bolt, as well as all of the means making it possible to maneuver the latter, during the return to the locking position through the various elastic means.
  • damping means consist of a pneumatic cylinder body in which a piston moves directly connected to the latch bolt. More precisely, due to the play existing between the bore of the cylinder body and said piston, the displacement of the latter during the return to the locked position, causes the rolling of the air contained in this cylinder body through this annular space which the above-mentioned clearance defines.
  • damping means be associated with a locking element having the function, apart from locking, of ensuring a certain compression of the leaf of the door, window or the like, against its sleeping frame, this because of considerations above.
  • a locking element is supposed to meet a particularly high resistance when inserting into the keeper and it is necessary to have, at this instant, all the power of the elastic return means, or even a certain initial speed of this locking element.
  • damping means corresponding to this document US-A-1,688,472
  • One of the aims of the present invention consists in proposing a locking device which is, more particularly, a cremone bolt or cremone bolt making it possible to remedy all of the aforementioned drawbacks, namely to limit the operating noise produced during the return to position. locked of the locking element constituted by one or more operating rods, this, while ensuring that this locking is perfect even in the case where said locking element must compress the leaf of a door or window against its sleeping frame .
  • the invention solves the problem and consists of a device for locking a leaf controlled by a handle comprising a housing containing a mechanism for actuating a locking element, such as a latch bolt, on the one hand, returned to the locking position under the action of elastic means and, on the other hand, subjected to damping means to slow down its movement during this return to the locked position, these damping means being constituted by a double action damper, using the inertia effect of a fluid when a throttle passes, this device of locking mechanism being a cremone bolt or locking bolt and the locking element, subjected to elastic means as well as to damping means consisting of one or more operating rods provided with at least one locking member, this cremone bolt or cremone bolt being provided, in addition, with a blocking element holding said operating rods in the unlocked position and unlocking means, integral with the dorman frame t and coming to cooperate, during the closing of the leaf, with the blocking element to authorize the return of these operating rods in the
  • Another advantage of the present invention consists in that the damping means are of particularly reduced dimensions allowing their insertion in a standard size case.
  • the locking device consists, more particularly, in a lever or lever-lock, as shown in the attached drawing.
  • this cremone bolt or bolt lock will be designated by the generic term of bolt lock.
  • a housing 2 formed by two parallel plates 3, 4, enclosing a mechanism (not shown) whose function consists in actuating one or more locking elements and, in particular, a latch bolt (not visible ), as well as one or more operating rods 5, 6.
  • Figure 1 shows a bolt lock whose operating rods 5, 6 are made integral by a connecting rod 7 and, therefore, they are subjected to strictly identical movements relative to each other. However, it is possible to provide the lock-bolt 1 with an appropriate mechanism making it possible to give these operating rods 5, 6, movement in the opposite direction.
  • the two operating rods 5, 6 are slidably mounted behind a headrest 8 and comprise one or more locking elements (not shown) cooperating with strikes arranged on the edge of the sleeping frame.
  • This cremone bolt 1 is provided with elastic means 9, acting on the connecting rod 7 to recall said operating rods 5, 6 in the locked position.
  • the elastic means 9 shown in FIG. 1 consist of two concentric helical springs 10, 11, cooperating, at their lower end 12, with the connecting rod 7 and having their upper part inserted in a housing 13 secured to the housing 2. Due to this arrangement, the helical springs 10, 11 push the operating rods 5, 6 downwards into the locked position.
  • the bolt lock 1, according to the invention is in no way limited to this particular configuration of the elastic means 9.
  • the coil springs 10, 11 can be envisaged to replace the coil springs 10, 11 with a spring spiral.
  • the bolt lock 1 is provided with a locking element (not shown) making it possible to maintain the operating rods 5, 6, in the unlocked position, when the opening of the door, French window or the like.
  • this blocking element cooperates with unlocking means, integral with the sleeping frame, to release said operating rods 5, 6 and recall the latter in the locked position.
  • the locking device that constitutes the lock-bolt 1 also comprises damping means 14 whose function consists in slowing down the speed of movement of a locking element and, more particularly, operating rods 5, 6 during their return to the locked position under the action of the elastic means 9. By thus slowing down the movement of the operating rods 5, 6, the operating noise of the bolt lock 1 is considerably reduced.
  • shock-absorbing means 14 are constituted by a double-action shock absorber 15, using the inertia effect of a fluid when a throttle 16 passes.
  • This shock absorber 15 is fixed to the housing 2 of the bolt lock 1 and cooperates with the operating rods 5, 6.
  • the damper 15 consists of a fixed piston 17 inserted into a central recess 18 of a movable piston 19, the latter sliding in a housing 20 of a cylinder body of a hydraulic or pneumatic jack 21.
  • the fixed piston 17, like the cylinder body 21, are made integral with the casing 2 of the lock-bolt 1.
  • the movable piston 19 cooperates with the operating rods 5, 6, by means of the connecting rod 7.
  • This movable piston 19 has a particular configuration and consists of two parts 22, 23 located in the extension of one another, the upper part 22 being provided with the central recess 18 into which the fixed piston 17 is introduced. that the lower part 23 slides in the housing 20 of the cylinder body 21.
  • the external diameter 24 of the lower part 23 of the movable piston 19 is slightly less than the internal diameter 25 of the housing 20. From even, to allow relative movement of the fixed piston 17 in the central recess 18 of the movable piston 19, it is preferable to adjust their diameter properly.
  • the lower part 23 of the movable piston 19 further comprises communication means 26 between the central recess 18 and the housing 20 to ensure the flow of a fluid contained in the latter.
  • the communication means 26 are in the form of a bore 27 machined in the lower part 23 of the movable piston 19.
  • This bore 27 opens, on the one hand, into the central recess 18 of the movable piston 19 and, d on the other hand, in the housing 20 of the cylinder body of a hydraulic or pneumatic cylinder 21.
  • the diameter of this bore 27 can be determined so that it alone constitutes the constriction 16 through which the fluid is brought to flow.
  • the bore 27 has a larger diameter and comprises, at its lower end 28, opening into the housing 20, a peripheral flange 29 forming the constriction 16.
  • the diameter of the constriction 16 is determined as a function of the viscosity of the fluid used and of the damping intensity which should be reached.
  • This damping intensity is determined according to two criteria, namely the reduction in the operating noise of the bolt lock 1 and the effort which a user must provide to actuate the operating handle. These two criteria seem contradictory.
  • the speed of movement of the operating rods 5, 6 under the effect of the rotation of the operating handle is significantly lower than their speed of movement resulting from the elastic return in the locked position. For this reason, it is possible to determine a damper 15 offering only a very low resistance under the action of the operating handle, while ensuring its function of retarding the operating rods 5, 6 at the time of closing. of the door, French window or the like.
  • the damper 15 must fulfill the functions of a spring.
  • the stroke of the movable piston 19 depends, on the one hand, on the depth of the central recess 18 and of the housing 20 and, on the other hand, on the length of the fixed piston 17 and of the lower part 23 of the movable piston 19 Preferably, this stroke is greater than the length of movement of the operating rods 5, 6.
  • shock absorber 15 in accordance with the invention, essentially consists in a significant reduction in its size. This advantage is all the more advantageous since it is necessary to comply with standard dimensions of the housing 2 of the locking lever 1. In particular, this damper 15 must be able to be inserted between the two parallel plates 3, 4 having a determined spacing 31 .
  • the fixed piston 17 and the cylinder body 21 are made integral with the housing 2.
  • the fixed piston 17 has at its upper end 32 a flange 33 cooperating, on the one hand, with gripping means 34 integral with the housing 2 and, on the other hand, with the upper wall 35 of the latter.
  • the gripping means 34 consist of a square-shaped element comprising a vertical wing 36 and a horizontal wing 37.
  • the latter is provided with a cutout 38 of width slightly greater than the diameter of the fixed piston 17 and in which is inserted the latter. Therefore, the upper face of the horizontal wing 37 cooperates with the shoulder 39 defined by the flange 33 and prevents a downward movement of said fixed piston 17.
  • the fixed piston 17 is also immobilized in a vertical direction and upwards.
  • the cylinder body 21 has on its external face 40 and at its ends 41, 42, peripheral grooves 43 cooperating with retaining elements 44, 45 of the housing 2 of the lock-bolt 1.
  • connection between the movable piston 19 and the operating rods 5, 6 is constituted by gripping means 46 located at the upper end 47 of a vertical wing 48 secured to the connecting rod 7. These gripping means 46 cooperate with a peripheral groove 49 machined on the external face of the upper part 22 of the movable piston 19.
  • the locking elements, located on the operating rods 5, 6, have a certain resistance to their engagement in the corresponding keepers.
  • the connecting rod 7 has an idle stroke 50 before driving the movable piston 19. This idle stroke 50 is equal to the difference of the height 51 of the peripheral groove 49 and the thickness 52 of the teeth 53 cooperating with said peripheral groove 49 and constituting the gripping means 46 of the connecting rod 7. Thus, it is only after displacement of the operating rods 5, 6 over a length corresponding to the idle stroke 50 that the rod link 7 drives the movable piston 19 of the shock absorber 15.
  • the proper functioning of the damper 15 depends on a perfect seal between, on the one hand, the fixed piston 17 and the central recess 18 and, on the other hand, the lower part 23 of the movable piston 19 and the housing 20.
  • the fixed piston 17 and the lower part 23 of the movable piston 19 comprise, at their lower end, respectively 54, 55, a peripheral groove in which a seal 56 is inserted.
  • the lock-bolt 1 includes automatic return means for the operating rods 5, 6 in the position of lock and, has reduced operating noise. Furthermore, by considerably reducing repetitive shocks on all of the elements making up the lock-bolt 1, the longevity of the latter is improved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Lock And Its Accessories (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Mechanical Control Devices (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)
  • Vehicle Body Suspensions (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Supports Or Holders For Household Use (AREA)
  • Vibration Dampers (AREA)
EP88440043A 1987-06-11 1988-06-07 Crémone, en particulier une crémone-serrure, comportant une ou plusieurs tringles de manoeuvre à rappel élastique Expired - Lifetime EP0296086B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88440043T ATE72011T1 (de) 1987-06-11 1988-06-07 Treibstangenverschluss mit einer oder mehreren federbetaetigten stangen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8708316A FR2616473B1 (fr) 1987-06-11 1987-06-11 Cremone, en particulier une cremone-serrure, comportant une ou plusieurs tringles de manoeuvre a rappel elastique
FR8708316 1987-06-11

Publications (2)

Publication Number Publication Date
EP0296086A1 EP0296086A1 (fr) 1988-12-21
EP0296086B1 true EP0296086B1 (fr) 1992-01-22

Family

ID=9352047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88440043A Expired - Lifetime EP0296086B1 (fr) 1987-06-11 1988-06-07 Crémone, en particulier une crémone-serrure, comportant une ou plusieurs tringles de manoeuvre à rappel élastique

Country Status (10)

Country Link
US (1) US4872716A (ko)
EP (1) EP0296086B1 (ko)
JP (1) JPS6452980A (ko)
KR (1) KR890000751A (ko)
CN (1) CN1032211A (ko)
AT (1) ATE72011T1 (ko)
CA (1) CA1300196C (ko)
DE (1) DE3867920D1 (ko)
ES (1) ES2029725T3 (ko)
FR (1) FR2616473B1 (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6767038B1 (en) 2001-02-08 2004-07-27 G-U Hardware, Inc. Multi-point casement handle
US6733049B2 (en) * 2002-07-03 2004-05-11 The Boeing Company Apparatus and methods for latching an aircraft door
DE202007000497U1 (de) * 2007-01-08 2007-03-15 Siegenia-Aubi Kg Verriegelungsbeschlag und Beschlagteilesatz
DK2778329T3 (en) * 2013-03-13 2017-09-18 Roto Frank Ag Locking piece in several parts and sliding door
US10844637B2 (en) 2016-11-29 2020-11-24 Schlage Lock Company Llc Quiet latch for a locking device
US11156025B2 (en) 2018-07-05 2021-10-26 Schlage Lock Company Llc Latchbolt damping module

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1521835A (en) * 1922-11-03 1925-01-06 Reed Ralph Automobile hood retainer
US1688472A (en) * 1923-03-30 1928-10-23 Sargent & Co Latch
US1764154A (en) * 1929-04-15 1930-06-17 Otto P Cramer Latch
US2030630A (en) * 1935-05-06 1936-02-11 William A Gram Doorlatch
US2098776A (en) * 1936-06-08 1937-11-09 Sargent & Co Bolt cushioning means for locks
CH353644A (de) * 1957-07-13 1961-04-15 Barbey Olivier Türschloss

Also Published As

Publication number Publication date
ES2029725T3 (es) 1992-09-01
EP0296086A1 (fr) 1988-12-21
KR890000751A (ko) 1989-03-16
JPS6452980A (en) 1989-03-01
CN1032211A (zh) 1989-04-05
US4872716A (en) 1989-10-10
DE3867920D1 (de) 1992-03-05
FR2616473B1 (fr) 1994-03-11
FR2616473A1 (fr) 1988-12-16
ATE72011T1 (de) 1992-02-15
CA1300196C (fr) 1992-05-05

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