EP0296086A1 - Treibstangenverschluss mit einer oder mehreren federbetätigten Stangen - Google Patents

Treibstangenverschluss mit einer oder mehreren federbetätigten Stangen Download PDF

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Publication number
EP0296086A1
EP0296086A1 EP88440043A EP88440043A EP0296086A1 EP 0296086 A1 EP0296086 A1 EP 0296086A1 EP 88440043 A EP88440043 A EP 88440043A EP 88440043 A EP88440043 A EP 88440043A EP 0296086 A1 EP0296086 A1 EP 0296086A1
Authority
EP
European Patent Office
Prior art keywords
housing
operating rods
cremone bolt
bolt according
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.)
Granted
Application number
EP88440043A
Other languages
English (en)
French (fr)
Other versions
EP0296086B1 (de
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/de
Application granted granted Critical
Publication of EP0296086B1 publication Critical patent/EP0296086B1/de
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 cremone bolt, in particular a cremone bolt for a door, French window or the like, essentially comprising a casing containing a mechanism for actuating a latch bolt and one or more operating rods, provided with at least one locking element, a blocking element for holding said operating rods in the unlocked position and unlocking means integral with the sleeping frame and cooperating, when the opening is closed, with the blocking element to recall the rods operating in the locked position under the action of elastic means.
  • this bolt lock comprises a housing in which are housed a certain number of elements constituting the mechanism serving for the displacement of one or more operating rods and of a latch bolt.
  • the operating rods are generally provided with one or more locking elements cooperating with strikes integral with the dormant frame of said door, French window or the like.
  • this bolt lock comprises elastic means, constituted by a spiral spring, making it possible to return the operating rods, in the locked position without it being necessary to act on the operating handle. However, it is essential that this reminder of the operating rods is made only when the opening is closed.
  • the lock-bolt also includes a blocking element to hold said rods. operation in the unlocked position.
  • This blocking element fulfills its functions at the same time as the operating handle is actuated to control the opening of the door.
  • unlocking means integral with the edge of the frame, cooperate with this locking element to release the operating rods.
  • this lock lever is also known, from the German patent, no. 1,062,143, a locking lever whose operating rods are automatically returned to the locking position by an elastic element.
  • this lock lever is provided with locking means comprising a finger projecting from the visible face of the headrest. By closing the opening, this finger is pushed back and releases the locking means. This results in the instant recall of the operating rods in the locked position.
  • the operating rods of this cremone bolt are of opposite displacement and the elastic means are constituted by a helical spring.
  • the unlocking means integral with the sleeping frame, co-operate with the locking element of the operating rods to release the latter.
  • these operating rods or their locking elements abut against any obstacle, generally of the metallic type, producing a noise of high intensity.
  • the importance of this noise caused by the mechanism of the bolts-locks when the opening is closed increases as the mechanism ages. This can be particularly annoying, especially in the context of collective housing.
  • One of the aims of the present invention consists in proposing a cremone bolt and more particularly a cremone bolt making it possible to remedy all of the aforementioned drawbacks, while retaining the advantages of an elastic return of the operating rods in the locked position.
  • the invention as characterized in the claims solves the problem of creating a cremone bolt, in particular a cremone bolt for a door, French window or the like, essentially comprising a housing containing a mechanism for actuating a latch bolt and one or more operating rods provided with at least one locking element, a blocking element for holding said operating rods in the unlocking position and unlocking means integral with the sleeping frame and cooperating, when the closing is closed. opening, with the blocking element to recall the operating rods in the locked position under the action of elastic means, this cremone bolt or cremone bolt comprising, in addition, damping means for slowing the speed of movement ment of the operating rods when they are returned to the locked position under the action of said elastic means.
  • 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 cremone bolt 1 comprises a housing 2 formed by two parallel plates 3, 4 containing a mechanism (not shown) whose function consists in actuating, on the one hand, a latch bolt (not visible) and, on the other hand, one or more rods of operation 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.
  • the lock-bolt 1 it is possible to provide the lock-bolt 1 with an appropriate mechanism making it possible to give these operating rods 5, 6 a movement in the opposite direction, without thereby departing from the scope and the spirit of the present invention.
  • 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.
  • the lock lever 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 coil springs 10, 11 push the operating rods 5, 6 downwards, in 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 as described in one of the earlier documents cited above.
  • the locking lever 1 Due to the elastic means 9, it is necessary to provide the locking lever 1 with a locking element (not shown) making it possible to maintain the operating rods 5, 6 in the unlocked position, when the door is opened, French window or the like. When the opening is closed, 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 lock-bolt 1 also comprises damping means 14, the function of which consists in slowing down the speed of movement of the operating rods 5, 6 when they are returned to the locking 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.
  • the damping means 14 are constituted by a damper 15 with double action, using the inertia effect of a fluid when a throttle 16 passes.
  • This damper 15 is fixed to the housing 2 of the lock-bolt 1 and cooperates with the operating rods 5, 6.
  • the damper 15 consists of a fixed piston 17 introduced into a central recess 18 of a movable piston 19, the latter sliding in a housing 20 of a cylindrical body 21.
  • the fixed piston 17, like the cylindrical body 21, are made integral with the casing 2 of the locking lever 1.
  • the movable piston 19 cooperates with the operating rods 5, 6 via 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 is introduced the fixed piston 17 while the lower part 23 slides in the housing 20 of the cylindrical 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.
  • 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 'other hand, in the housing 20 of the cylindrical body 21.
  • the diameter of this bore 27 can be determined so that it alone constitutes the constriction 16 through which the fluid is caused 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 throttle 16 is determined as a function of the viscosity of the fluid used and of the damping intensity which it is advisable to reach. This damping intensity which it is advisable to reach. damping is determined according to two criteria, namely the reduction of the operating noise of the lock-bolt 1 and the effort which a user must provide to actuate the operating handle. These two criteria seem contradictory. However, it should be noted that 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 to 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 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 slightly greater than the length of the movements of the operating rods 5, 6.
  • damper 15 in accordance with the invention, consists essentially of 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 lever-lock 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 cylindrical body 21 are made integral with the housing 2.
  • the fixed piston 27 has at its upper end 32 a flange 33 cooperating, on the one hand, with means gripping 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 cylindrical body 21 has on its outer 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 engagement in the keepers corresponding.
  • 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 bolt lock 1 comprises means for automatic return of the operating rods 5, 6 in the locked position, and has a reduced operating noise. Furthermore, by considerably reducing repetitive shocks on all of the constituent elements of 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)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Supports Or Holders For Household Use (AREA)
  • Vibration Dampers (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Mechanical Control Devices (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Vehicle Body Suspensions (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)
EP88440043A 1987-06-11 1988-06-07 Treibstangenverschluss mit einer oder mehreren federbetätigten Stangen Expired - Lifetime EP0296086B1 (de)

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 true EP0296086A1 (de) 1988-12-21
EP0296086B1 EP0296086B1 (de) 1992-01-22

Family

ID=9352047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88440043A Expired - Lifetime EP0296086B1 (de) 1987-06-11 1988-06-07 Treibstangenverschluss mit einer oder mehreren federbetätigten Stangen

Country Status (10)

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

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
PL2778329T3 (pl) * 2013-03-13 2018-02-28 Roto Frank Ag Zaczep wieloczęściowy i drzwi przesuwne
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1688472A (en) * 1923-03-30 1928-10-23 Sargent & Co Latch

Family Cites Families (5)

* 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
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1688472A (en) * 1923-03-30 1928-10-23 Sargent & Co Latch

Also Published As

Publication number Publication date
DE3867920D1 (de) 1992-03-05
EP0296086B1 (de) 1992-01-22
CA1300196C (fr) 1992-05-05
FR2616473B1 (fr) 1994-03-11
FR2616473A1 (fr) 1988-12-16
JPS6452980A (en) 1989-03-01
CN1032211A (zh) 1989-04-05
KR890000751A (ko) 1989-03-16
US4872716A (en) 1989-10-10
ATE72011T1 (de) 1992-02-15
ES2029725T3 (es) 1992-09-01

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