FR2791388A1 - DEVICE FOR FIXING AND GUIDING THE END OF A CREMONE OR CREMONE-LOCK FITTING - Google Patents

Abstract

The bolt or rod (2) attached to the lock box (1) consists of a flat strap sliding on the bottom of a shallow U-shaped channel (26). A guide block (8) holds a closure strip (3) which spans the gap between the sides of the U-section and holds the flat strap in the U-section. The whole assembly has a very small thickness.

Description

The invention relates to a device for fixing and guiding

  ends of a cremone bolt or cremone bolt fitting able to fit into a groove made in the rebate of a door, window or similar frame, said device being intended to be secured to the rear of a headrest using appropriate means and comprising means for holding and guiding an operating rod relative to said headrest and a guide stud of at least one fixing screw coming through

  an opening provided for this purpose in this headrest.

  The present invention will find its application in the field of building hardware and relates, more particularly,

  the locking fittings, of the bolt type or the bolt-lock type.

  In this connection, such cremone bolts or bolts-locks usually include a central control mechanism, housed in a housing above and / or below which rods of operation extend, the displacement of which by the intermediate of said control mechanism, is passed on to locking members, such as rollers, bits or the like. It is also frequent that the free ends of these operating rods also act as locking members to cooperate, in the locked position, with

appropriate strikes.

  In many cases, the aforementioned elements of a cremone bolt or cremone bolt take position in a recessed groove formed in the rebate of a leaf, door, window or the like and are sheltered by means of a headrest coming from close

said groove.

  In particular, such a headrest includes orifices for the passage of fixing screws making it possible to make the assembly integral with the joinery. Also, in line with these orifices, an operating rod, for its part, has oblong slots allowing the passage of these fixing screws, without however preventing their movement between in particular a position of

  lock and unlock position.

  In this regard, it should be noted that if the end of an operating rod is intended, in order to define a locking member, to be protruding, for example, at the upper or lower end of a amount of the opening frame, door, window or the like, accommodating said lever or lever-lock, it is necessary to ensure its guiding with respect to the corresponding end of the headrest, but also to perfect the fixing of

the latter on the carpentry.

  In particular, a rod exit guide is used, to perform this function, usually in the form of a square piece covering the angle of the opening frame at which said end is able to project. operating rod. Also, one of the wings of this square piece is applied externally on the headrest. In addition, for good mechanical strength of the assembly, each of the wings of this square part is provided with an opening for the passage of a fixing screw cooperating with the joinery. Under these conditions, one of these fixing screws comes through both the headrest and the operating rod, the latter necessarily being provided with an oblong hole at the right of

  this screw to give it the required mobility.

  It is also known, from document FR-A-2,747,723, a rod exit guide in the form of a fork comprising a base adapted to be housed in the bottom of the embedding groove provided at the joinery . This rod exit guide is also provided with a wing extending parallel to said base while covering, on the external side, the end portion of the rod, while a guide strip extends between the base and the wing and has a through opening adapted to the passage of the end of this rod. The base also has a hole for the passage of a fixing screw located beyond the wing so

to be accessible.

  As for the rod, it also has an orifice allowing the passage of this screw and the fixing tool when the cremone bolt is placed on the opening. In fact, as is clear

  from the description of this document FR-A-2.747.723, this exit guide

  rod is particularly suitable for a cremone bolt provided with a rod of particular configuration and devoid, for

elsewhere, a headrest.

  It should also be noted that these cremone bolts or locks of the state of the art are usually provided with screw guides which are fixed by riveting to the rear of the headrest and which fulfill the following functions: - guiding a fixing screw coming through said headrest in the direction of the joinery; - guarantee the connection of the headrest to the operating rod; - ensure the guidance of this operating rod relative to

to said headrest.

  Note that such a screw guide is fitted into an oblong opening in the operating rod before being riveted to the headrest, which makes it possible, precisely, to ensure the function of

aforementioned guidance.

  Ultimately, as is evident from the description which

  precedes, this screw guide only provides summary guidance of the rod

  maneuver with respect to the headrest. In addition, it can be

  the origin of an incorrect functioning of the cremone bolt or cremone bolt-

  lock, especially when it is removed

automated on a carpentry.

  More precisely, the guide function of the fixing screw is ensured by means of a guide stud adjusted to the transverse width of the oblong opening in the operating rod and

  has an opening for the passage of said fixing screw.

  In addition, this guide pad often reviews means allowing

  its riveting at the level of the headrest.

  Insofar as an operating rod has a limited width, the width of the oblong opening made in the latter for the passage of a fixing screw is also necessarily reduced, often barely greater than the diameter of said screw. fixation. Also, under these conditions, the orifice made in the guide stud and whose section is necessarily adapted, creates, at the longitudinal sides of this stud of the openings, in the sense that there is absence of surfaces for the

guide of the fixing screw.

  It is for this reason that, as indicated above, there remains a risk of incorrectly fitting this fixing screw. If this occurs at one end of the operating rod, the latter is guided imperfectly, which can be

  translate into a malfunction of the cremone bolt or bolt lock.

  Anyway and as is clear from the description which

  precedes the function, on the one hand, of holding and guiding the end of an operating rod relative to the corresponding end of a headrest and, on the other hand, the fixing function, more particularly until now, two fixing pieces have been used to guide the fixing screws

  fitting should be carried out individually.

  Ultimately, the present invention is intended to respond to the above problems through a fixing and guiding device which is not only able to ensure perfect support of the end of a rod maneuver intended to define a locking member but, in addition, to contribute to the connection and guidance of an operating rod relative to

the headrest that houses it.

  In short, this device is intended to fulfill the functions of a screw guide insofar as it can receive, in addition, at least one fixing screw intended to rigidly and securely fix the assembly in a groove provided for this purpose. effect in the opening frame. In particular, through this function of the screw guide, the invention aims to provide a solution to the various constraints linked to an automated mounting of a fitting of

locking on a carpentry.

  To this end, the invention relates to a fixing device and

  for guiding the ends of a cremone bolt or cremone bolt-

  lock able to fit into a groove made in the rebate of a door, window or similar frame, said device being intended to be secured to the rear of a headrest using appropriate means and comprising means for holding and guiding an operating rod relative to said headrest and a guide stud of at least one fixing screw coming through an opening provided for this purpose in this headrest, characterized in that it is defined by a profile forming: - a first U-shaped channel channel comprising a bottom coming to apply at the rear face of the headrest, from this bottom extending, on the one hand, two parallel walls between which is even to slide the operating rod and, on the other hand, the guide stud of at least one fixing screw, so as to pass through an oblong lumen in said operating rod; - And a second U-shaped channel channel having two parallel walls extending from a bottom and whose upper edge is provided capable of bearing on the rear face of the headrest, while the operating rod is caused to slide in the space between these side walls, on the one hand, and between the

  headrest and the bottom of this second channel, on the other hand.

  According to an advantageous embodiment, between the two funds of the "U" section channels defining the profile of the device, there is a gap corresponding at least to the thickness of the operating rod, this for mounting on the latter of said operating rod guide device and

  of fixing screws, according to the invention.

  The advantages arising from the present invention consist in that the fixing screw for passing through the guide stud necessarily passes through an opening of suitable section made in the bottom of the first channel. Also, this opening, of strictly circular section, is capable of ensuring perfect guidance

of this fixing screw.

  In addition, through the parallel side walls of each of the channels corresponding to the profile defining the device, it is able to guarantee perfect lateral support and,

  therefore, guidance of the operating rod.

  It should also be observed that the upper edge of the parallel walls of the second channel can receive fixing and / or positioning lugs relative to the faceplate on the face.

  behind which they come to lean.

  Other objects and advantages of the present invention

  will appear during the description which follows relating to

  to an embodiment which is given only by way of example

indicative and not limiting.

  Understanding this description will be facilitated by

  Referring to the attached drawing, in which: FIG. 1 is a diagrammatic view in elevation and in longitudinal section of said device according to the invention, applied to a locking fitting of the bolt type or the bolt lock; - Figure 2 is a schematic top view of the device illustrated in Figure I; - Figure 3 is a schematic representation in section

according to III-III of Figure 1.

  As can be seen from FIG. I of the attached drawing, the present invention relates to the field of locking fittings, of the cremone bolt or cremone bolt type, which, under the influence of a control mechanism housed in a central housing 1 make it possible to communicate a displacement to operating rods 2 extending above and / or below this housing, such operating rods 2 coming to reflect their movement on organs of

  locking, such as rollers, bits or the like.

  Very often this cremone bolt or bolt lock takes position in a recessed groove provided for this purpose in the rebate of an opening, door, window or the like, groove in which it is sheltered by means of a headrest 3 of which

  can be made integral with the housing 1.

  The invention relates, more particularly, to a device 4 for fixing and guiding provided capable of being attached to the rear and to one end of the headrest 3 by suitable means 5, in particular by riveting. This device 4 is intended to contribute, on the one hand, to maintaining and guiding the operating rod 2 relative to this headrest 3 and, on the other hand, to guiding a fixing screw coming through an opening 6 in the latter to be housed at the bottom of the groove and thus make the assembly

in solidarity with the carpentry.

  Also, this device 4 comprises, at least, means 7 for holding and guiding an operating rod 2 and a guide stud 8 of at least one fixing screw, this guide stud 8 extending to right of opening 6, at the back of the

headrest 3.

  Note that at the right of this guide stud 8 the operating rod 2 has, for its part, an oblong opening 9 sized to allow the passage of this guide stud 8 while allowing axial movement of the operating rod 2 to allow to move from its locked position to its

  unlocking position and vice versa.

  In particular, it is visible in FIGS. 2 and 3 that, because of the dimensions necessarily reduced in width of the operating rod 2, the oblong lumen 9 formed in this

  the latter also has a small cross-section.

  Also, the guide pad 8 cannot have a thickness 10 which is barely adjusted to the section 11 of the fixing screw. Under these conditions the perforation 12 present in this guide pad 8 for the passage of this fixing screw, generates, on the longitudinal sides 13, 14 of said pad 8, interruptions 15 of the

screw guide surface.

  According to the invention, the device 4 is in the form of a profile 16 defining a first channel 17 of "U" section comprising a bottom 18 intended to come into contact with the rear face 19 of the headrest 3 and from which s 'extend, perpendicularly, two parallel walls 20, 21 between which

  can slide the operating rod 2.

  In the extension of this first channel 17 this profile 16 defines a second channel 22 of "U" section also comprising two parallel walls 23, 24 corresponding substantially to the extension of the walls 20, 21 and, between which takes position, there again, the operating rod 2. In fact, these parallel walls 23, 24 come, in this case, to bear, at the height of their upper edge 25, on the rear face 19 of the headrest 3, while the bottom 26 from which they extend traps, with the headrest 3, the operating rod 2. Ultimately, through these parallel walls 20, 21 and 23, 24, corresponding to this first and to the second channel 17, 22, the operating rod 2 is perfectly axially guided. It is also well maintained in relation to the headrest 3 through the

  bottom 26 corresponding to the second channel 22.

  It should be noted that the term profile used to designate the shape of the device should not be interpreted in a restrictive sense, since this device could also arise

of a molding process.

  It will be noted, in particular, that the opening 6 in the headrest 3 communicates with the guide stud 8 through a

  orifice 27 of section adapted to that 11 of the fixing screw.

  It is advantageously respected between the bottom 18 of the first channel 17 and the bottom 26 of the second channel 22, in the longitudinal direction of the operating rod 2, a gap 34 corresponding at least to the thickness of the latter in order to allow the mounting the device on such a rod

operation 2.

  As a result, as a result, perfect guidance of this

last.

  In FIGS. 1 and 2 there is also illustrated a riveting stud 28 surmounting this bottom 18 of the first channel 17, on its side 29 intended to come into contact with the faceplate 3, this riveting stud 28 being intended to come to be positioned in a

  adapted perforation in the latter.

  In addition, the passage opening 27 for the fixing screw in this bottom 18 of the first channel 17 can open out through a positioning stud 30, at this side 29 of said bottom 18. This positioning stud 30 comprises a thickness substantially equal to that of the headrest 3, which then comprises an opening 6

  adjusted to the section of this stud 30.

  Such a feature makes it possible to produce in this positioning pad 30 a milling 31 for the reception of the head of the fixing screw. In fact, such a design greatly facilitates the production by stamping of the headrest 3. In fact, the latter is brought to undergo, usually, significant deformations when it is necessary to print an orifice therein.

frustoconical mouth.

  As can be seen, again, in these FIGS. 1 and 2, but also in FIG. 3, the parallel side walls 23, 24 of the second channel 22 can be overcome at the height of their upper edge 25, by at least one fixing lug and / or riveting 32 intended to be housed in openings or in notches

  33 made in the longitudinal edges of the headrest 3.

  Finally, insofar as such a device, in accordance with the invention, makes it possible to improve, not only, the guiding of a fixing screw, but also, the guiding and the maintenance of an operating rod relative to its headrest, it can advantageously constitute a rod exit guide to

  the free end of said headrest 3.

  It appears from the above description that the device

  according to the invention is particularly suitable for securely holding the end of an operating rod

  intended to define a locking member.

  It should be noted that if this fixing and guiding device according to the invention can be designed in one piece, in particular by a molding process of plastic or metallic material, it is still conceivable to make it in two pieces, one of which defines the guide pad 8 of the fixing screw, this being surmounted by the positioning pad 30 as well as the riveting pad 28. Under these conditions, the bottom 18 of the first channel 17 defined by the profile 16, corresponding to the second piece, has openings for the passage of this positioning pad 30 and riveting 28. In particular, the profile 16 1O can result from a cutting-stamping process of a metal strip. Although the invention has been described with reference to a particular embodiment, it is understood that it is in no way limited thereto and that it is possible to make various modifications to the forms, materials and combinations of these. various elements,

  without departing from the scope and spirit of the invention.

I

Claims (9)

Claims   1. A device for fixing and guiding the ends of a cremone bolt or cremone bolt type fitting, capable of fitting into a rebate groove of a door, window or similar frame, said device (4) being intended to be secured to the rear of a headrest (3) using appropriate means (5), in particular by riveting, and comprising means (7) for holding and guiding an operating rod (2 ) relative to said headrest (3) and a guide stud (8) of at least one fixing screw coming through an opening (6) provided for this purpose in this headrest (3), characterized in that it is defined by a profile (16) forming: - a first channel (17) of "U" section comprising a bottom (18) applied at the level of the rear face (19) of the headrest (3), from this bottom (18) extending, on the one hand, two parallel walls (20, 21) between which is able to slide the operating rod (2) and, at least on the other hand, the guide stud (8) of at least one fixing screw so as to pass through an oblong lumen (9) in said operating rod (2); - And a second channel (22) of "U" section comprising two parallel walls (23, 24) extending from a bottom (26) and the upper edge (25) of which is designed to bear on the rear face (19) of the headrest (3), while the operating rod (2) is caused to slide in the space between these side walls (23, 24), on the one hand, and between the headrest (3) and the bottom (26) of this second channel (22), on the other hand.   2. Device according to claim 1, characterized in that between the bottom (18) of the first channel (17) and the bottom (26) of the second channel (22), in the longitudinal direction of the operating rod (2 ), there is a gap (34) corresponding at least to the thickness of said operating rod (2) for mounting   on the latter of said device (4).   3. Device according to any one of the claims   above, characterized in that the guide pin (8) 12 2791388   comprises a perforation (12) adjusted to the section (11) of the fixing screw and communicating with the opening (6) in the headrest (3) through an orifice (27) of section also suitable for that (11) of the fixing screw.   4. Device according to claim 3, characterized in that the orifice (27) passage for the fixing screw opens, on the side (29) of the bottom (18) corresponding to the first channel (17) and intended to come in applies against the headrest (3), through a positioning stud (30) of thickness substantially equal to that of the headrest (3), which has an opening (6) adjusted to the section of this stud (30).   5. Device according to claim 4, characterized in that the positioning stud (30) comprises a milling (31) for   receiving the fixing screw head.   6. Device according to any one of claims   above, characterized in that the parallel walls (23, 24) of the second channel (22) are surmounted, at the height of their upper edge (25), by at least one fixing or riveting tab (32) intended to come to be housed in openings or in notches (33) made in longitudinal edges of the headrest (3).   7. Device according to any one of the claims   above, characterized in that it constitutes, essentially, an operating rod exit guide (2) to   a free end of the headrest (3).   8. Device according to any one of claims   previous, characterized in that it is designed as a single   part by a plastic or metallic molding process.   9. Device according to any one of claims 1 to 7,   characterized by the fact that it is designed in two parts, one of which defines the stud of a guide (8) of the fixing screw, this latter being surmounted by a positioning stud (30) intended to cooperate with the opening (6) in the headrest (3) as well as a riveting stud (28), the bottom (18) of the first channel (17) defined by the profile (16) corresponding to the second part, comprising openings for the passage of said positioning pad (30),   on the one hand, and the riveting stud (28), on the other hand.