FR2699584A1 - Advanced panic lock. - Google Patents

Abstract

The lock body is fitted with a dead bolt (1) and a latch bolt (2) controlled by a handle (button, crutch or bar) acting on the follower (4) or by a key cylinder (7). The tail (10) of the bolt (1) is linked to the axis (4a) of the follower by rigid tilting means (3), the effective length of which relative to the tail (10) can vary; this tail is articulated (31) on rotating means (45) coaxial with the axis (4a) of the follower (4) and which rotate independently without driving the follower; in a first step, the rigid means (3) act on the branch (50) of a balance (5) which unlocks the bell (6); a stopper (34) limits the tilting of the rigid means (3) at the start of the rotation by forming a lever pivot to determine the retraction of the bolt.

Description

Locks are paradoxical in that security

  The very nature of the closure they establish can turn into a deadly trap in the face of a distress situation in which the maneuver of turning a key two or more than two turns can be excessively laborious and slow in times of precipitation. , in which, before being able to open, there could have been a real avalanche of people

  hysterical who, failing to find free passage, pro-

  evoke their own asphyxiation or can no longer escape

  to the danger (fire, flood, etc.) they seek

chaie to flee.

  To cope with this problem, it was developed

  pe locks known as "panic" locks which are those that can "always"

  be opened from the inside with a simple and quick gesture

  of consisting in acting by rotation of a small angle on

  a handle of the button, crutch or push-button type "Tou-

  days "means regardless of whether the state of

  door closed is determined only by the half bolt

  turn or by the fact that the lock mechanism is in a "closed lock" situation or even in a

  "locked lock"; here we mean by "lock lock-

  born "the situation in which the position of the bolt

  tie also includes a condemnation which prevents an external action applied directly on the

  front side of the bolt can cause it to retract without

  retention of the key, so that this conviction does not

  can only be released by turning the key, at

  purpose of the maneuver, and before the re-entry or opening

  latch does not start to occur or, in the case

  o the lock has an anti-panic mechanism, this

  conviction will also be carried out by simple and

  quick action above on the handle Equipped doors

  Panic lock pins are mandatory in public places and are recognized as being of a

  great interest in particular uses.

  The new panic lock which is now

  The proposed nant is advantageously designed to guarantee with more security that the mechanism will open, even in the presence of external transverse pressures liable to block the retraction of the bolt; at the same time, it offers greater simplicity The preferred embodiment of the invention is that of a lock

  with a deadbolt and a latch bolt and

  handle, button, stand or bar type

  thrust re, in addition to actuation by cylinder-

  key dre; this by assumption with regard to the central and main mechanism of the lock, since there may exist a plurality of secondary return closings controlled remotely and simultaneously by the transmission rods which receive a vertical action obtained from the horizontal displacement of the bolt, by any of the various known modes; this lock

  also has an automatic locking device

  tion of the extended position of the latch bolt, as well as

  an automatic cylinder eccentric positioner

  dre. Although the anti-panic lock mechanisms known to date are very varied, they correspond mainly to the same operating principle, which consists in ultimately succeeding in producing during the closing of the bolt an accumulation or charge of elastic energy in a spring, to take advantage of it by

  the continuation in the opening maneuver; after the farm

  ture of the bolt, the loaded spring situation remains

  held by a snap or by the closure itself, until at the start of the maneuver

  opening carried out with the handle, the

  beration of this blockage and the relaxation of elastic energy

  that accumulated by the spring is the phenomenon responsible for

  order the opening of the latch opening.

  This means that with this system, the maneuver

  opening occurs passively, since the only mis-

  the operator has to produce the unlocking

  cage by actuating the handle but if at this time the retraction of the bolt is prevented for any reason,

  it will be useless to act on a handle which serves only-

  ment to trigger the autonomous and internal actuation mechanism of the lock, which cannot bring

  more energy than that accumulated in the spring.

  These devices are not effective if,

  where the opening occurs, there is an action

  folded transversely to the bolt, pressing it against one side of its keeper with sufficient intensity to prevent its movement controlled by a spring

  elastic in which a quantity of energy is accumulated

  determined and limited life, provided for the needs of normal functioning, but insufficient to overcome

  this additional transverse action.

  This transverse action exerted on the bolt is that produced by the thrust that the user exerts

  himself in the opening action; when there is situa-

  distress and that a large number of people

  fluent and if, as a result of precipitation, the first person to arrive fails to open the door

  from the first moment, the thrust exerted by the people

  rings against the back of the door becomes

  strong enough that it prevents the bolt from entering and that

the latter remains blocked.

  It is interesting to raise a few questions.

  On the one hand, that the solution is not to increase

  lie about the power of the spring, since this would make the closing operation which has to load it difficult and would affect the design of the lock's own mechanism. When, in any case, attempts have been made to

  design a mechanically actuated panic mechanism

  that, operating by transmission of the force of the user, complicated transmissions were used comprising a

  large number of parts and which are always set in motion

  by the follower, including when the lock is not in the bolt out situation and when

  seeks only to operate the latch bolt, in

  evoking a great tiredness of its elastic elements

  which, not being able to have the dimensioning that pos-

  the usual return springs for the follower and the latch bolt (which are designed for a large number of stresses), deteriorate in use, which is

  already problematic in any lock, but gra-

  ve in a lock of this type designed for situa-

distress.

  The subject of the invention is a locking mechanism.

  re with anti-panic function which responds to a design

  which abandons the classical context of non-actuation

  sif to adapt an active actuation principle which gives the opening function to the applied effort of

  the user In addition, it is designed to allow

  hiber the part of the mechanism associated exclusively with the action of the bolt in the more usual situation in which this bolt has returned or opened, and the closing and opening operations of the door are determined exclusively by the latch bolt As well as as we have already said, this conception applies without limitation to

  a lock fitted with a latch bolt and a dead bolt

  mant and actuated by a handle of the button, stand or push type or by key cylinder; in addition, it has an anti-opening safety device

turn around.

  The bolt has in its tail the notches cor-

  for the actuation by the eccentric of the

  cylinder and for opening and closing locks

  measure by the latch of the bell; and according to the cons-

  particular title of the invention, this tail of

  bolt is in turn related to said axis of rotation

  tion of the follower by rigid means

  tilting of functional variable effective length-

  ment, and which are articulated to slide with respect to the-

  said tail at the same time as they keep a pure rotary articulation with respect to rotation means which are coaxial with said follower axis, which means act by a retraction function on the tail of the latch bolt and the means of coaxial rotation are

  subject to autonomous rotation without determining the

  dragging of the follower, while they are entrained in the functional rotation of this follower, while that is associated with the tilting of said rigid means of unlocking means for closing the bolt which,

  in the closed bolt position, are, not permanently

  nente but circumstantial, applied functionally on the led branch of a pendulum which, in its leading branch, carries the finger located below the latch

  formed by the bell to establish the conviction of ladi-

  you position out of the bolt; however there are

  stop means which, in an intermediate position

  be said sliding joints respectively and

  rotating interferes with the functional tilting of the

  said rigid means 3 and causes them to start the rotation phase once said unlocking means

  acted on the pendulum; and said rigid means low

  buttocks carrying at their end a means of interference with the excess travel of the eccentric of the cylinder for the retraction of the bolt beyond the end of its functional rotation necessary exclusively to produce the

total return of the bolt.

  According to a preferred embodiment of the invention,

  vention, said rigid tilting means are constituted

  killed by a lever arm fitted at one end with a rai-

  longitudinal course, with which cooperates by sliding

  a finger secured to the tail of the bolt and, to the other ex-

  end, a rotary articulation orifice relative to

  one of said coaxial rotation means which are constituted

  killed by a supplement applied on one of the sides of the follower, and capable of an automatic opening rotation relative to this one, this supplement of follower possesses-

  in a transverse leg which, in said direction of rotation

  tion of the opening, is applied in front of a peripheral projection of the follower and said supplement having, like this follower, an extension of re-entry of the latch bolt and a peripheral protuberance serving

  to release the anti-opening latch lock if this

the condemnation exists.

  Likewise, said means for unlocking the bolt consist in that said lever arm comprises a transverse pusher appendage which, when the bolt is closed and locked, is attached to said driven branch of the pendulum, the driving branch of which is applied to the finger located below the bell locking latch when this latch is housed in its rear locking notch, among the existing notches

  in the tail of the bolt, so that this push support

  sée occurs only between the condemned position

  total closure of the bolt and the immediate proximity

  te of the total opening sentence or it is abandoned

  given for the validation of the reminder at rest of the balan-

  cier. Regarding said stop means of the

  functional tilting of the lever arm, they are

  killed by a transverse lug secured to one side of the chest

  fre of the lock and, between said joints,

  pectively sliding and rotating the lever arm, the-

  said finger stops said tilting when actuated

  the balance has already validated the unlocking of iron-

  method of the bolt, so that, under the effect of this in-

  terference, said finger acts relative to the lever arm

  as a fulcrum of first degree leverage on the-

  which the continuation of said tilting determines the initiation

  of the total opening of the bolt.

  The anti-panic function of this constitution

  described consists in that, upon triggering of the rota-

  tion with the handle, in the course of reaching the abutment axis, the lever-arm still has no action on the lever, except that with its transverse appendage, it swings the pendulum by causing the elevation of the bell for unlocking the closure; from this moment, the rotation phase begins and the lever arm turns on the fulcrum

  and acts as a lever of the first kind in pro-

  mentioning the re-entry of the closing bolt until it reaches the position of new locking,

  which is now the opening conviction, effected

  killed by the bell, moment for which the latch of

  conviction is lowered with sufficient anticipation

  so that in this lever movement the appendix

  aforementioned transverse deviates leaving the pendulum

take its position.

  As we can see, at this time

  ment, the retraction of the bolt occurs in the active mode by the action of the user on the handle and the intensity of this action is not fixed and invariable but on the contrary depends on the force applied by said user, so that a transverse pressure exerted between the bolt

  and the strike can be easily overcome by the applica-

  tion of a greater maneuvering effort, which makes it possible to solve the serious problem of a possible blockage of

the anti-panic function.

  Furthermore, it should be emphasized that

  maple simplicity and economy of the mechanism which uses a minimal number of parts which require less space

  and who have a functional conception and relationships

  very simple, which is all the more appreciated

  ciable that the lock mechanisms are inherently relati-

  complicated and have to settle for little space

this.

  Another advantageous feature of the new

  calf mechanism is that physical release (there is a circumstantial release of

  thrust of the lever arm on the balance wheel and not the

  when we act on the handle) between said arm-the-

  vier and said balance, allows that, when the bolt is retracted, the openings and closings of the latch turn

  with the handle only operate in the functional area-

  nel of this bolt without turning any

  action on the bolt or its unlocking mechanism.

  On the other hand, the final position of the arm-the-

  using the opening to take in the latch bolt by means of an excess stroke of the eccentric of the cylinder For this purpose, said means

  of interference from said excess stroke of the excess

  according to the invention consist in the fact that a front face is incorporated in the said lever

  transverse which, in the total return of the bolt, inter-

  fère with the initiation of a possible excess race

  re said eccentric, so that the actuation of this-

  the excess stroke produces a longitudinal displacement

  nal of the lever arm which, by means of said ar-

  ticulation with the additional follower, causes the retraction of the latch bolt without rotation of said follower

  nor, therefore, of the handle and before the release-

  tion, when this liberation exists in the condemnation

  anti-opening of the latch bolt.

  Other features and advantages of the

  vention will be better understood on reading the description

  tion which will follow, from an embodiment given to

  as an example with regard to the attached drawings on the-

  which: Figure 1 shows in an elevation view of

  side the interior mechanism of lock 1 in a

  functionally useless closing of the lock closed and separated from the sleeping frame 9, taken from the inside of the door; Figures 2 and 3 are views of the lever arm 3, respectively in side elevation, as it appears in the assembly of Figure 1, and in corresponding profile view; Figures 4 and 5 are views of the pendulum 5 executed in the same manner as Figures 2 and 3; Figures 6 and 7 are views similar to the previous views but showing the additional follower 45; Figures 8 and 9 are views similar to

  previous views but which show the integrated half-nut

  laughing 41; Figures 10 and 11 are similar views

  to the previous ones but which show the external half-nut

  laughing 41; Figures 12 and 13 are views similar to the previous figures but showing the bell 6; Figure 14 is a view similar to Figure 1, which shows the lock 1 closed on the frame 9; Figure 15 shows the section taken along trace 80 drawn in Figure 14; Figure 16 is a view similar to that of the

  figure 14, but which now shows the position of

  condemnation of the closing of the bolt 1, which is reached in the first time of the actuation of the handle mounted on the axis 4 a of the follower 4 FIG. 16 A is a detail in the form of an explanatory sketch of the passage of the

  figure 15 to figure 16 and the rotation that the appendi-

  this rear 32 which appears hatched, of the lever-arm 3

  (not shown) produced on the pendulum 5 to make

  re-mount the bell 6 (of which only the rag is shown-

  locking plate 60) via the finger Figure 17 is a view similar to the figure

  16, but which now shows the final position of

  verture reached in antipanic with the handle of the search-

  lot 4; and which shows at the same time the return of the bolt

  U-turn 2 performed with the eccentric 70 via the

  medial of the lever arm 3 whose initial lower position is indicated in broken lines; FIG. 18 is the enlarged detail of FIG. 17, in which the lever-arm 3 is shown with a section to allow its functional transverse thrust appendage 32 to be seen suitably placed facing the

  actuated arm 50 of pendulum 5.

  In the drawings, a preferred mode has been shown.

  of the proposed anti-panic lock, which includes a bolt 1, a U-bolt 2 and (although

  did not represent them) multiple referrals from ser-

  secondary rures functionally linked to movement

  working on the bolt; the lock has an actuation

  by a button, a handle or a push bar,

  mounted on axis 4 a of follower 4, as well as by the excen-

  stick 70 of cylinder 7 driven by the key; there is also an anti-opening locking device

  U-bolt whose locking and locking positions

  locking are actuated by the return spring 5 and by the peripheral protuberance 44 of the follower 4, in combination with the retracted and projecting positions of a retractable feeler 26 having the shape of a latch bolt loaded by a spring 28, which has no waste

  corresponding in the sleeping frame 9.

  The re-opening of the bolt 1 by means of the key is carried out in the conventional manner in two turns of

  key in that in each turn, the rotation of the excen-

  stick 66 first attacks the edge 61 of the bell 6

  by causing its elevation to unlock

  re against its spring 62, which causes the catch to abandon the rear locking notch 12 of the upper edge of the tail 10, to then fall

  in the rear actuation notch 11 of the lower edge

  laughing of said tail 10 Once the first round has been

  tee, the latch 60 of the bell 6 falls into the notch

  12 sentence, establishing a new

  new locking and the same process as the first is repeated in a second turn of the key until establishing The locking of the bolt 1 open, in the front notch of the said locking notches 12 With the travel of the eccentric 70, is associated the positioner 71, loaded

  by spring 72, which guarantees that the position of the ex-

  centric 70 will be correct when starting each key turn Re-entering the latch 2 by means of

  eccentric 70 will be explained after the description of

  the constitution and function of the anti-panic mechanism

  according to the invention, which will be done in the following.

  To produce the panic opening function

  re latch 1 and latch 2 by acting alone-

  lying on the handle, the follower 4, which is mounted against the spring 49 and is formed by the coupling of the

  two identical half-nuts 40, 41, carries the additional

  ment of follower 45 which is not typically united

  of rotation of axis 4 a of follower 4, except that it carries

  te a transverse tab 46 on which, when the axis 4 is turned in the direction of active rotation, the

  peripheral projection 42 exerts a driving thrust

  while, when it is supplement 45 which

  directly receives a rotary actuation, it automatically switches and, by its extension 47, produces the retraction of the latch bolt 2 against its spring

  28 while, by its peripheral protuberance,

* that 48, it causes the unlocking tilting of the small lever 22 The active rotation of the follower 4 has

  three-stroke functionally dif Efrents; in the pasture-

  first time, through its mu-

  tuelle in 31, supplement 45 tilts the arm-the-

  sink 3 without retracting the bolt 1 due to the sliding

  finger 13 in the groove 30 but pushing by its appendage 32 on the branch 50 of the pendulum 5,

  which rocks and, by its branch 51, moves vertically-

  the bell 6 and extracts the latch 60 from the rear notch 12, validating the possibility of removing the

  bolt 1; in the second step, the lever arm 3 is articulated

  moves to the first degree lever on pivot 34 and deter-

  mine the return of the bolt 1, maintaining the thrust on the balance 5 until the intermediate locking notch 12 crosses the location of the latch 60 so that the continuation of the aforementioned lever movement

  produces the separation of the appendage 32 pusher the balance

  cier 5 resuming its resting state and the latch 60 falling only until it hits the upper edge of

  the tail 10, which moves until reaching final-

  ment the notch of condemnation 12 before, whereas it occurred in this second time a large part

  of the return of the latch bolt 2, before its unlocking

  tion effected by the thrust of the peripheral protrusions

  risks 44, 48 on branch 24, which brings down

  the branch 23 against its spring 25 until li-

  ber the return path of the latch bolt 2, position which is maintained by the fin 27 when, when abandoning the sleeping frame, the projection of the sensor 26 occurs pushed by its spring 28; in the third step, the rest of the withdrawal of the latch bolt 2 takes place without any action being taken on the latch 1, thanks to the new vacuum sliding which occurs between the

finger 13 and groove 30.

  As we can see, in this anti-

  panic, the bolt re-entry is active and depends at all times on the active presence of the user's action on

  handle, with greater or lesser intensity

  ble which is required at all times In addition, it follows from the consideration of the third step of this panic function that, when the bolt 1 is retracted, all

  closures and openings only affect the

  main hand of the latch bolt 2, including its dis-

  positive of conviction 22-206 while the separation

  tion between the lever-arm 3 and the balance 5 and the aforementioned sliding clearance between finger and groove 13-30 cause the entire functional movement of the bolt 1

  and its locking device remains inhibited, in

  reducing unnecessary deterioration of the parts and

  easier and smoother actuation.

  The retraction of the latch 2 can also be controlled by the key since at the end of the retraction of the latch 1, the eccentric remains (FIG. 7) in a position to execute an excess stroke by pushing on the front face 33 and by causing the lever arm 3 to rise and, by means of the articulation 31, rotate the supplement 45 which, by its extension

  47, manages to bring about the desired return.

  The fact that the follower 4 is composed of two half-followers, exterior 41 and interior 40, makes it possible to provide an exterior handle provided with a divided rod which acts only on the exterior semi-follower 41 and

  does not reach the interior half-follower 40 nor the supplement

  ment 44 and, in this way, can operate optional-

  the latch bolt 2 and not the latch 1; what

  in this way allows an application of "door of-

  "which can open from the outside as long as it

  is not condemned by the closing of the bolt 1.

Claims (5)

R E V E N D I C A T I O N S   1 Advanced panic lock of the type   which, in addition to any referrals for closures -   additional or secondary res, is provided in its central body (1), with a deadbolt (1) and a latch bolt (2) and can be actuated by a button, a handle or a mounted push bar on the axis (4 a) of   follower (4), as well as by a key cylinder (7), characteristic   characterized in that the tail (10) of the bolt (1), which has respective sets of notches (11) for actuation by the eccentric (70) of the cylinder (7) and notches (12) for the closing and opening condemnation by the latch (60) of the bell (6), this tail (10) of   bolt (1) is at the same time linked to said axis (4a) of rotation   tion of the follower (4) by means of rigid means   rockers (11) whose effective length can be   functionally modified and which are articulated to   smooth with respect to said tail (10) at the same time as they have a pure rotation articulation (31) with respect to rotation means (45) which are   coaxial with said axis (4 a) of the follower (4), which act   feels in the direction of reentry on the tail (20) of the latch bolt (2) and the coaxial means of rotation   (45) are subject to autonomous rotation without provo-   follower drive quer (4) while they are driven in the functional rotation of the follower   (4), however that means are provided for unlocking   tion (32-5) of the bolt closure (1) associated with the bottom-   of said rigid means (3) which, in the posi-   tion of bolt (1) closed, are not permanent but circumstantial, applied functionally on the driven branch (50) of a pendulum (5) which, in its   leading branch (51), carries the lug (63) located above   under the latch (60) formed by the bell (6) for   blir the condemnation of said projecting position of the bolt (1); however there are stop means   (34) which, in the interval between said articles   sliding and rotating culations (31), interfere with the functional tilting of said rigid means (3) and causes them to start the phase of rotation once said unlocking means (32-5) have acted on the balance (5), and said rigid tilting means (3) carrying, at their end, an interference means (33)   with the excess travel of the eccentric (70) of the cy-   lindre (7) for the return of the latch bolt (2), above   there from the end of its necessary functional rotation ex-   clusively to produce the total return of the bolt (1). 2 improved panic lock according to the preceding claim, characterized in that said rigid tilting means (3) are constituted by a lever arm (3), provided at one end with a groove   longitudinal (30) with which cooperates by sliding   ment a lug (13) integral with the tail (10) of the bolt (1) and, at the other end, a rotary articulation hole (31) relative to said means of rotation   coaxial which are constituted by a supplement (45) ap-   bent on one side of the follower (4) and having an autonomous rotation capacity opening relative to   this follower, which supplement (45) of follower (4) pre-   feels a transverse tab (46) which, in said direction of opening rotation, is applied just in front of a peripheral projection (42) of the follower (4) and, like this follower (4), said supplement ( 45) has an extension (47) for re-entering the latch bolt (2) and a peripheral protuberance (48) serving to release the   anti-opening latch lock (2) if this the condemnation exists.   3 Advanced panic lock according to   previous claims, characterized in that the-   said unlocking means (5) of the bolt (1) consist in that said lever arm (3) has a transverse thrust appendage (32) which, when the bolt (1) is   closed and condemned, is pressed against said branch me-   born (50) of the pendulum (5) whose driving branch (51) is applied against the lug (63) located below the latching latch (60) of the bell (6) when this latch (60) is housed in its rear locking notch (12), among the notches existing in the tail (10) of the bolt (1), so that this support   thrust only occurs between the locking position   nation of total closure of the bolt (1) and the immediate proximity of the condemnation of total opening or it is abandoned in empowerment of the resumption of position balance rest (5).   4 Advanced panic lock according to   previous claims, characterized in that the-   said functional tilting stop means of the lever arm (3) are constituted by a transverse lug (34) integral with one side of the lock box (8) and in that, between said sliding joints   (13-30) and rotating (31) of the lever arm (3), said er-   got (34) prohibits said switchover when the   balance (5) has validated the unlocking of iron-   method of the bolt (1), and from this interference, said lug (34) behaves relative to the lever arm   (3), like a lever pivot of the first kind, on the-   which the continuation of said tilting causes the priming   of the total opening of the bolt (1).   Advanced panic lock according to a   any of the preceding claims, characterized   in that, in the tilting of the lever arm (3) on the   pivot (34), the pushing action of said transverse appendage   sal (32) on the driven branch (50) of the pendulum (5) is maintained until, in the re-entry of the bolt (1), the front notch (12) for locking the opening is the   next to reach the transverse position of the rag   locking plate (60) of the bell (6).   6 Advanced panic lock according to a   any of the preceding claims, characterized   in that said means (33) for interference with said excess travel of the eccentric (70) consist in that said lever (3) has a transverse front face (33) which, in the total retraction of the bolt ( 1), is precisely in interference with the initiation of a possible excess stroke of said eccentric (70), so that the actuation of this excess stroke produces a longitudinal displacement of the lever arm (3) which, via of said joint (31)   with the supplement (45) of the follower (4), causes the   end of the latch bolt (2) without rotation of said follower   (4) nor, therefore, of the handle, and before the release   ration, where it exists, of the anti-or- green of the latch bolt (2).   7 Advanced panic lock according to a   any of the preceding claims, characterized   in that, in the fully retracted position of the bolt (1), said appendage (32) is not yet in contact with said balance (5) and the closings and openings of the latch bolt (2) affect only the area   exclusive functional of the latter and do not determine   no action on the bolt (1) or on its locking device   damnation. 8 Advanced panic lock according to a   any of the preceding claims characterized   in that, the follower (4) being composed of two half-followers, exterior (41) and interior (40), an exterior handle provided with a rod can be provided   divided which acts only on the external half-nut   Laughter (41) and does not reach the inner follower (40) or the supplement (45) and, in this way, can only operate the latch bolt (2) and not the latch (1).