FR2484513A1 - CREMONE, LOCK OR CREMONE-LOCK FOR WINDOW, DOOR, WINDOW HOLDER OR THE LIKE - Google Patents

Abstract

1. Espagnolette lock for a window, a door, a French window or the like, with alternate returns of the handle in resting position, comprising a return device (3) essentially composed of a door-knob hole piece (4) actuated by the handle and an elastic element (42) co-operating, on the one hand, with a motionless element of the espagnolette lock and, on the other hand, directly or indirectly with the door-knob hole piece (4), characterized in that the elastic element (42) is inserted, on the one hand, between two motionless elements (43, 44) and (45, 46) of the espagnolette lock and, on the other hand, between two stops (19, 20) whose the shifting is driven by the door-knob hole piece (4), one of the sides of the elastic element (42) co-operating, in a first step, with one of the stops (19) or (20), while the other side co-operates with the motionless elemnt (43, 44) or (45, 46), when, in a second step, the co-operation takes place in the opposite direction.

Description

The invention relates to a cremone bolt, lock or cremone bolt for

  window, door, French window or the like, with alternating reminders of the

handle in rest position.

  We already know, from French Patent No. 1,564,650, a lever mechanism causing the translation of one or two rods, which is arranged so that the handle returns automatically, under the action of a return spring , in horizontal rest position when released, after turning it downwards for opening or upwards for closing, the automatic return movement - of the operating handle being done without vertical displacement of the rods . This mechanism comprises a follower having on each lateral face a lug projecting and cooperating with a spring with contiguous turns mounted on an axis and ending in two branches arranged in the form of a pin. When one of the lugs spreads one of the branches of the return spring, the other branch is at rest and held by a stop. However, the longevity of this spring is quite limited, which represents a certain drawback. Indeed, the spring used is subjected to a significant alternating torsional stress at the level

  extreme turns directly attacked by each branch. The tor-

  alternating voltage, exerted on turns of small radius, leads to a

frequent break of the spring.

  Also known, from French patent No. 78.16971 (published under No. 2.427.450), a mechanism for a cremone bolt comprising a nut

  connected to a handle whose actuation downwards causes the

  rusting of the door, while its upward actuation

  do the door lock. The follower is mounted with play and with the least lateral friction possible, so that the only weight of the

  handle ensures the return of the follower and the poi

  gnée after its actuation up. Such an arrangement makes it possible, in fact, to return the handle to the horizontal rest position without the intervention of a spring energized when the handle is raised. However, returning the handle to the rest position when

  we operate the handle up is most random. Indeed-

  fet, it is enough that there is any friction of the different

  moving parts and / or a foreign object such as dust has

  inserted in the cremone bolt so that the handle remains in the high position and does not

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  not fall, under the effect of its own weight, in the rest position.

  Similarly, we know, from French patent no. 76.36156 (published under no. 2.372.300) a mechanism comprising an actuating nut of at least two rods with opposite conjugate displacements and a return means associated with a helical spring for return said follower to a stable position of rest, whatever the direction of operation

printed on it.

  This reminder consists of a large number of parts

  before transforming the rotation of the follower in a compression of the res-

  helical extension regardless of the actuation of the handle, i.e.

  say that the handle is pulled down to open or

upwards for closing.

  However, this mechanism has several drawbacks. Because the return means must be placed on the alignment passing through the

  center of the follower and that the dimensions of the bootmaker containing the mechanism

  nism must remain within the limit of the usual dimensions of the cremone bolt, lock or cremone bolt locks, one can only provide a very short spring whose elasticity is always subjected to a maximum force. This results in rapid deterioration of this elastic element. If the limits of the usual dimensions of the

  cremone bolt, lock or cremone bolt are not respected, it was born

  stop modifying the usual sections of the constituent profiles

  window, door or window sashes.

  Finally, the large number of parts used for the recall

  tomatic of the handle to a rest position not only increases

  the cost price of this lever but also the risk of inci-

operating teeth.

  The object of the present invention is to provide a cremone bolt,

  lock or cremone bolt for window, door, French window or the like, with alternating recalls of the handle in the rest position, comprising a simple, space-saving and inexpensive elastic return having a

increased longevity.

  To this end, the invention relates to a lever, lock or lever -

  lock for window, door, French window or the like, with recall

  tarnished by the handle in the rest position, comprising a device for

  booster consisting essentially of a nut actuated by the poi-

  and an elastic element cooperating on one side with an im-

  movable of the cremone bolt, lock or cremone bolt and on the other side

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  - 3 directly or indirectly with the follower, characterized in that the elastic element cooperates on its two sides and alternately, of a

  hand, with a stationary element of the cremone bolt, lock or cremone bolt-

  re and, on the other hand, directly or indirectly with the follower.

  The application of these characteristics allows, in addition to eliminating the drawbacks which the state of the art presents, a considerable increase in the ratio between the action stroke and the total length of the elastic element, an increase which reduces the fatigue of the element

elastic practically to nothing.

  A simple and advantageous embodiment of the invention, for its con-

  compact design which it provides to the return device, is characterized

  in that the elastic element is inserted between the stationary element

  consisting of two songs of oblong lights practiced in the box

  tier of the cremone bolt, lock or cremone bolt and two controlled stops

by the follower.

  This achievement is also indicated when the subject of the

  vention applies to a cremone bolt, lock or cremone bolt whose ac-

  pulling the handle up does not change the position of the bolt, lock or bolt, but is done

  only to allow the opening of an occulus or an over-glazing.

  The almost total elimination of fatigue from the elastic element

  tick now allows a bolt, lock or bolt lock

  the return of the handle to the horizontal rest position after it has been

  upward operation was done by gravity, to include an elastic return without the longevity of the elastic element being called into question.

  Good support of the entire surface of the end of the elastic element-

  tick is obtained when the elastic element is inserted between two bu-

  teasers controlled by the follower and movable in two lights of the box

  tier and that the stops cooperate alternately with two edges of the

  cremone bolt, lock or cremone bolt.

  The device, object of the invention, can delimit the reciprocating movements of the follower, and consequently of the handle, when the travel of the stops in the lights corresponds to one of the movements

alternate of the follower.

  The advantage of these provisions which save the limited elements

  as the movements of the follower, is particularly sensitive when one of the lights delimits the movement of the follower in one direction, and -4-

  the other light delimits the movement of the follower in the opposite direction

  re. A preferred embodiment of the invention is characterized in that the stops are controlled by a slider having a song and / or a shoulder and transmitting the reciprocating movements of the follower

to the stops.

  Indeed, the invention obtains by these characteristics that the element

  elastic can be arranged in a straight and tangential way

  or approximately tangential to the follower.

  The invention will be better understood by referring to the following description.

  Vante made by way of nonlimiting example and in the accompanying drawings in which: - Figure 1 is a side sectional view of a portion of the housing of a cremone bolt provided with the mechanism according to the invention in position -15 rest - Figure 2 is an elevational view of the same part, the upper plate being removed; - Figure 3 is a view similar to that of the figure gné being in the raised position; - Figure 4 is an elevational view similar to that the handle being in the raised position; Figure 5 is a view similar to that of the figure being in the lowered position; - Figure 6 is an elevational view similar to that

  the handle being in the lowered position.

We refer to Figures 1 and 2.

1, but the poi-

  of figure 2, 1, the handle of figure 2,

  The cremone bolt, lock or cremone bolt comprises a composite housing

  of two plates 1 and 2. Between these plates 1 and 2 are arranged the

  various elements ensuring correct operation, either of the

  mone, either of the lock, or of the lever-lock with one or two operating rods. These various elements are known and are not described in the present invention. Indeed, this relates

  to a mechanism 3 whose purpose is the automatic double return to its po-

  rest position of the handle when it has been raised or lowered

  this double return is carried out without any action on the bolt of

  the lock or the rods for operating the cremone bolt or cremone bolt

rure.

  The mechanism 3 comprises several control members and, in particular

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  -5- a follower 4 provided with a square hole 5 in which one introduces the operating square of the handle. This follower 4, in addition to the control fingers necessary for the operation of the bolts of the lock or of the bolt-lock, comprises, on its periphery 6, a segment of hte 7 cooperating with a cursor composed, on the one hand, of a rack 17 whose teeth 13, 14, 15, 16 mesh with the teeth 8, 9, 10, 11, 12 of the toothed segment 7 and, on the other hand, of an axis 18. The rack 17 slides on the axis 18 can itself move vertically. Sure

  this axis 18 are threaded an upper stop 19 and a lower stop

  re 20. Depending on the direction of rotation involved in the follower 4, either the upper stop 19 or the lower stop 20 remains in its rest position and acts as a support for the elastic element, itself resting on an element stationary of the cremone bolt, while the other stop cooperating with the nut 4, ensures the tensioning of the elastic element whose released force causes the automatic return of the handle to the rest position. The upper stop 19 comprises at the right of passage of the axis 18 a hole 21 of diameter larger than the diameter of the axis

  18, which allows easy movement of the parts 18 and 19 between them.

  The lower stop 20 has a hole 22 of diameter smaller than that

  it of the hole 21. Indeed, the axis 18 comprises at the location of the lower stop 20 a recess 23 so that the shoulder 24 rests

  on the periphery 25 of said lower stop 20.

  The upper stop 19 comprises at each end a pin 26,

  27 sliding in oblong slots 28, 29 made in the plates

  1 and 2 of the housing. Likewise, the lower stop 20 presents at each

  end of a pin 30, 31 sliding in oblong lights-

  gues 32, 33 made in plates 1 and 2. The length of these lu-

  oblong dies 28, 29 and 32, 33 corresponds to the length of the court-

of the two stops 19 and 20.

  The rack 17 has, at its lower end 34, a curvilinear edge 35 to increase the action plan between said rack

  17 and the periphery 36 of the upper stop 19.

  The axis 18 is provided at each end 37, 38 with a head 39, 40.

  The upper head 39 rests on the upper edge 41 of the rack.

  re 17 and the lower head 40 bears against the periphery 25 of the

lower stop 20.

  There is between the two stops 19 and 20 an elastic element 42

  such as a coil spring. This, in the rest phase, is pre-

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  -6- reference in prestressed position. Consequently, the spring 42 exerts a thrust on the two stops 19 and 20 so that the pins 26, 27 of the upper stop 19 bear against the upper edge 43,

  44 of the oblong lights 28, 29 and that the pins 30, 31 of the bu-

  lower tee 20 bear against the lower edge 45, 46 of the oblong slots 32, 33. The edges 43, 44, 45, 46 of the oblong slots 32, 33 constitute the stationary element of the cremone bolt cooperating

  by means of the two stops 19, 20 with the elastic element 42.

  The spring 42 has a relatively large length. Therefore, the

  fatigue involved in this elastic element is distributed over a relative-

  large number of turns and we considerably increase the return

  and thus the longevity of said spring 42 and, consequently

this, the longevity of the mechanism 3.

  The handle at rest occupies the position represented by its axis 47.

  Furthermore, the longitudinal axis 48 of the axis 18 is moved relative to the vertical median plane of the housing. Therefore, we get a

  empty space 49 allowing the installation of a certain number of parts

  these necessary for the operation of the lever, lock or lever -

lock.

We refer to Figures 3 and 4.

  We raise the handle. Therefore, the follower 4 involves a ro-

  tation according to arrow F1. The teeth 8 to 12 mesh with the teeth 13 to 16 of the rack 17 and the latter moves upwards. The upper edge 41 of the rack 17 cooperates with the head 39 of the axis 18 and exerts traction on said axis 18. The latter slides at

  through the hole 21 of the upper stop 19. This traction is trans-

  placed by the head 40 at the lower stop 20 which moves upwards until the pins 30, 31 of this lower stop 20

  lean against the upper edges 50, 51 of the oblong lights

  gues 32, 33. On the other hand, the upper stop 19 cannot move upwards because its pins 26, 27 bear against the upper edges 43, 44 of the oblong slots 28, 29. As a result, the spring 42 is compressed. By releasing the handle, the spring 42

  relaxes and exerts a thrust on the lower stop 20. This exerts-

  this, through the head 40, a traction on the axis 18, trac-

  tion transmitted via the head 39 to the rack 17.

  Said rack 17 causes the excavation to rotate in the opposite direction

  lot 4 and the handle returns to the rest position indicated in the figure

gure 2.

We refer to Figures 5 and 6.

  We lower the handle. As a result, the follower 4 pivots along the arrow F2. The teeth 8 to 12 mesh with the teeth 13 to 16 of the rack 17 and the latter is pushed down. The thrust is transmitted by its curvilinear edge 35 to the upper stop 19 until the pins 26, 27 bear against the lower edges

  52, 53 of the oblong lights 28, 29. The rack 17 and the abutment

  19 slide along the axis 18, the latter not being able to

  place downwards the fact that the shoulder 24 bears on the lower stop 20 whose pins 30, 31 bear on the lower edges 45, 46 of the oblong slots 32, 33. Thus, the spring 42 is again compressed. However, this compression is from top to bottom and therefore contrary to compression directed from bottom to top when

the handle is raised.

  By releasing the handle, the spring 42 relaxes and it exerts a

  thrust on the upper stop 19 which transmits this thrust to the

  mesh 17. The latter causes the rotation of the follower 4 in the opposite direction and the handle returns to the rest position indicated in

Figure 2.

  Although the invention has been described in connection with a form of embodiment.

  particular position, it is understood that it is in no way limited thereto.

  and that we can make various modifications of forms, material

  rials and combinations of these various elements, without thereby

  hinder the scope and spirit of the invention.

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Claims (12)

  1. Cremone bolt, lock or cremone bolt for window, door, door   window or the like, with alternating recalls of the handle in the rest position, comprising a return device, consisting essentially   a follower actuated by the handle and an elastic member cooperated   rant on one side with a stationary element of the lever, lock or locks and on the other side directly or indirectly with the follower, characterized in that the elastic element (42) cooperates with   its two sides and alternately, on the one hand, with a fixed element   the (43,44,45,46) of the cremone bolt, lock or cremone bolt and, on the other   share, directly or indirectly with the follower (4).   2. Cremone bolt, lock or cremone bolt according to claim 1,   characterized in that the elastic element (42) is inserted between the element   motionless consisting of two edges (43,44,45,46) of oblique lights   gues (28,29,32,33> practiced in the cremone bolt housing, lock or   cremone bolt and two stops (19,20) controlled by the follower (4).   3. Cremone bolt, lock or cremone bolt according to claim 1, characterized in that the elastic element (42) is inserted between two   stops (19, 20) controlled by the follower (4) and movable in two lu-   housings (28,29,32,33) and that the stops (19,20) cooperate   alternately with two songs (43,44,45,46) from the crematorium boot maker do, lock or lever-lock.   4. Cremone bolt, lock or cremone bolt according to claims 1   and 3, characterized in that the travel of the stops (19,20) in the lu-   mières (28,29,32,33) corresponds to one of the alternative movements of follower (4).   5. Cremone bolt, lock or cremone bolt according to claims 1   and 3, characterized in that one of the lights (28, 29) delimits the   movement of the follower (4) in one direction, and the other light (32,33)   limits the movement of the follower (4) in the opposite direction.   6. Cremone bolt, lock or cremone bolt according to claims 1   and 3, characterized in that the stops (19,20) are controlled by a cursor (17,18) having a song (35) and / or a shoulder (24) and transmitting the reciprocating movements of the follower (4) to the stops (19.20).   7. Cremone bolt, lock or cremone bolt according to claims 1   - 9 - and 6, characterized in that the cursor (17,18) is connected to the follower   (4) by a gear consisting, on the one hand, of a toothed segment (7)   read on the circumference (6) of the follower (4) and, on the other hand, of a cre-   mesh (17) whose teeth (13) -to (16) cooperate with the teeth (8) to (12) of the toothed segment (7).   8. Cremone bolt, lock or cremone bolt according to claims 1,   4 and 7, characterized in that the cursor (17,18) consists of a creation   mesh (17) connected to the follower and an axis (18) movable relative to   the rack (17) and the upper stop (19) over an equal length   the to the stroke of a stop (19,20), and that the axis (18) is integral with the lower stop (20).   9. Cremone bolt, lock or cremone bolt according to claims 1   and 8, characterized in that the axis (18) having at its end (37), a head (39) cooperates with the rack (17) and the upper stop (19).   10. Cremone bolt, lock or cremone bolt according to claims 1   and 8, characterized in that the axis (18) has at its end (38) a shoulder (24) and a head (40) cooperating with the lower stop (20).   11. Cremone bolt, lock or cremone bolt according to claims 1   and 3, characterized in that the lights (28), (29) and (32), (33) comprise   bear a length corresponding to the length of the stroke of the tees (19,20).   12. Cremone bolt, lock or cremone bolt according to claim 1, characterized in that the elastic element (42), formed by a prestressed spring between the stops (19) and (20), has a length of   several times the multiple of the stroke of a stop (19,20). we