EP1004732A1 - Mécanisme de commande pour crémone - Google Patents
Mécanisme de commande pour crémone Download PDFInfo
- Publication number
- EP1004732A1 EP1004732A1 EP99440298A EP99440298A EP1004732A1 EP 1004732 A1 EP1004732 A1 EP 1004732A1 EP 99440298 A EP99440298 A EP 99440298A EP 99440298 A EP99440298 A EP 99440298A EP 1004732 A1 EP1004732 A1 EP 1004732A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- reverse gear
- pinion
- racks
- length
- 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.)
- Withdrawn
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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
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/04—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening
- E05C9/041—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening with rack and pinion mechanism
Definitions
- the invention relates to a control mechanism for a lever. according to the preamble of claim 1.
- the present invention will find its application in the field of the building hardware and concerns everything in particular, the bolt-type locking fittings.
- this movement is reflected, directly on one of the operating rods by opposition to the action exerted on the other operating rod at through a reverse gear.
- This has, precisely, for function of reversing the direction of movement which would be communicated to this second rod if it was passed on, directly, just like to the other rod of maneuver, the command provided by this user.
- this reverse gear is usually mounted in rotation about an axis extending perpendicularly between the side walls of the housing housing the mechanism ordered. So, if a first rack, associated directly or through an easel at one of the operating rods, comes to mesh on this pinion in interposed between the latter and, substantially, the bottom of the another housing comes to cooperate with this diametrically opposite reverse gear, coming from position at the rear of the headrest closing said housing in its front part.
- the space between the walls of the housing being reduced, the thickness and size of the teeth of the reverse gear are, necessarily also reduced to allow their meshing on the teeth or steps corresponding to racks. Also, by coming to force the movement in case of blockage, there may be rupture of one or other of the teeth of this reversing pinion and / or of said racks.
- this transmission piece has a wing extending parallel to the side walls of the housing and fitted with another rack engaged with a reverse gear mounted using a pivot, at the rear of said headrest. Of diametrically opposite way, on this reverse gear comes mesh, another rack of a transmission part similar to that directly connected to the second rod of maneuver extending in a direction opposite to that originally mentioned.
- the pivot on which the reverse gear is mounted does not can be made in one piece with the latter.
- a bidirectional cremone bolt comprising, in a casing in the form of two assembled half-shells, a follower whose toothing engages with a rack of an easel capable of transmitting movement to an operating rod extending under said housing.
- sprockets are mounted reversers whose axis extends in the plane of said housing perpendicular to the movement of the two easels which engage, diametrically opposite, on these reverse gears.
- the axis of these reverse gears is mounted in rotation, at its ends, in perforations formed, respectively, in the bottom of the case and at height of the front wall of the latter, recalling, a new times, in this regard, that this one is designed from two assemblable half-shells.
- this front wall of the the headrest is riveted.
- the reverse gears they are in the form of simple toothed wheels and coming to force the maneuver somewhat on the follower, the racks of racks very quickly broke the teeth of such a reverse gear. This is probably the reason for which these are doubled in this design according document EP-0.338.621.
- the present invention proposes to remedy the drawbacks aforementioned in particular through a provision and particular configuration of the reversing pinion in the housing, allowing greater mechanical resistance to different pieces, but also to adjust their positioning relative to each other, a guarantee of better operation of the cremone bolt or cremone bolt.
- the invention relates to a cremone bolt control mechanism comprising, housed in rotation in a housing, a pinion reverser for control in directions opposite of two extending operating rods respectively, above and below this case, said reversing pinion being rotatably mounted in the latter around an axis located in the plane of this housing, perpendicularly to the displacement of said rods, interposed racks between the side walls of the housing and the reverse gear coming to mesh with it diametrically opposite, these racks being associated with the rods of maneuver directly or via an easel suitable, said reversing pinion having its ends rotatably mounted in bearings one of which is provided at level of the bottom of the case, while the other, as the case may be, located on the internal side of a crosspiece forming a spacer connecting, at the front edge, the side walls, or is defined through an opening in a headrest closing this box in its front part this reversing pinion in the form of a roller of length adjusted to the distance between the bearings while its teeth extend
- the present invention relates to the field of fittings of locking and relates, more particularly, to a mechanism lever 1.
- this control mechanism 1 comprises, housed in rotation in a housing 2, a reverse gear 3 for the control in displacement, in opposite directions, of two rods of maneuver 4, 5 extending, respectively, above and below of this case 2.
- the invention relates, more particularly, to peculiarities of the reverse gear 3.
- this reversing pinion 3 is rotatably mounted in the box 2 around an axis 6 located in the plane 7 of this box 2, perpendicular to the displacement of said rods of operation 4, 5. These come to mesh on this pinion inverter 3, directly or via an easel 8 to which one or the other can be linked, through racks 9, 10. In particular, these are interposed between the side walls, respectively 11, 12, of the housing 2 and said reversing pinion 3 coming to mesh on it diametrically opposite.
- said reversing pinion 3 comprises, at its ends 13, 14 of the shaft sections 15, 16 mounted in rotation in bearings 17, 18 provided, respectively, at level of the bottom 20 of the housing 2 and of the internal side 21 by relative to the latter of a crosspiece 22 forming a spacer connecting, at the front edge 23, the side walls 11, 12.
- Such a design allows to control, more, the games existing between the reverse gear 3 and the racks 9, 10 coming to mesh with it diametrically opposite.
- this reversing pinion 3 is, in fact, under shape of a roll of length adjusted to the distance separating the bearings 17, 18, while its toothing 26 extends over all the length of said roller, in order to improve its hold mechanical.
- the corresponding teeth and / or rungs 27 to the racks 9, 10 have a width 28 adjusted to the length of this toothing 26 of the reverse gear 3.
- the teeth or rungs 27 of the racks 9, 10 are preferably of width 28A adjusted to this length 32 increased teeth 26 corresponding to the reverse gear 3.
- the present invention is at the origin of a perfect control games, at the drive level, by means of a pinion reverser, two maneuvering rods with opposite displacement. This gives the control mechanism of a cremone bolt or lock-bolt increased reliability.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
Description
- la figure 1 correspond à une représentation schématisée et en coupe du boítier renfermant le mécanisme de commande, exécuté selon un premier mode de réalisation, d'une crémone ou crémone-serrure ;
- la figure 2 est une représentation schématisée et en coupe selon II-II de la figure 1 ;
- la figure 3 est une représentation similaire à la figure 1, le mécanisme de commande étant, ici, représenté selon un second mode de réalisation ;
- la figure 4 est une représentation en coupe selon IV-IV de la figure 3.
Claims (1)
- Mécanisme de commande de crémone comportant, logé en rotation dans un boítier (2), un pignon inverseur (3) pour la commande en déplacement dans des directions opposées de deux tringles de manoeuvre (4, 5) s'étendant, respectivement, au-dessus et en-dessous de ce boítier (2), ledit pignon inverseur (3) étant monté en rotation dans ce dernier autour d'un axe (6) situé dans le plan (7) de ce boítier (2), perpendiculairement au déplacement desdites tringles (4,5), des crémaillères (9, 10) interposées entre les parois latérales (11, 12) du boítier (2) et le pignon inverseur (3) venant s'engréner sur ce dernier de manière diamétralement opposée, ces crémaillères (9, 10) étant associées aux tringles de manoeuvre (4, 5) directement ou par l'intermédiaire d'un chevalet (8) approprié, caractérisé par le fait que ledit pignon inverseur (3) comporte ses extrémités (13, 14) montées en rotation dans des paliers (17, 18 ; 18A) dont l'un 17 est ménagé au niveau du fond (20) du boítier (2) tandis que l'autre, selon le cas, se situe du côté interne (21) d'une traverse (22) formant entretoise reliant, en bordure avant (23), les parois latérales (11, 12), ou est défini par une ouverture (29) dans une têtière (30) refermant ce boítier (2) dans sa partie avant (31) ce pignon inverseur (3) se présentant sous forme d'un rouleau de longueur ajustée à la distance séparant les paliers (17, 18 ; 18A), tandis que sa denture (26) s'étend sur toute la longueur dudit rouleau, les dents et/ou échelons (27) correspondant aux crémaillères (9, 10) présentant une largeur (28 ; 28A) ajustée à cette longueur (32) de la denture (26) du pignon inverseur (3).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9815013A FR2784415B1 (fr) | 1998-10-08 | 1998-11-26 | Mecanisme de commande pour cremone ou cremone-serrure |
FR9815013 | 1998-11-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1004732A1 true EP1004732A1 (fr) | 2000-05-31 |
Family
ID=9533316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99440298A Withdrawn EP1004732A1 (fr) | 1998-11-26 | 1999-11-03 | Mécanisme de commande pour crémone |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP1004732A1 (fr) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0338621A1 (fr) * | 1988-04-19 | 1989-10-25 | RUFFONI & ZOPPI S.R.L. | Crémone |
EP0501803A1 (fr) * | 1991-02-28 | 1992-09-02 | Regent Lock Company Limited | Mécanisme de crémone |
FR2744164A1 (fr) * | 1996-01-30 | 1997-08-01 | Croisee Ds | Cremone a poignee coulissante |
-
1999
- 1999-11-03 EP EP99440298A patent/EP1004732A1/fr not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0338621A1 (fr) * | 1988-04-19 | 1989-10-25 | RUFFONI & ZOPPI S.R.L. | Crémone |
EP0501803A1 (fr) * | 1991-02-28 | 1992-09-02 | Regent Lock Company Limited | Mécanisme de crémone |
FR2744164A1 (fr) * | 1996-01-30 | 1997-08-01 | Croisee Ds | Cremone a poignee coulissante |
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