EP0869236A1 - Von einer Seite aus betätigbarer Sicherheitszylinder selbst wenn ein Schlüssel auf der anderen Seite eingesteckt ist - Google Patents

Von einer Seite aus betätigbarer Sicherheitszylinder selbst wenn ein Schlüssel auf der anderen Seite eingesteckt ist Download PDF

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Publication number
EP0869236A1
EP0869236A1 EP98400124A EP98400124A EP0869236A1 EP 0869236 A1 EP0869236 A1 EP 0869236A1 EP 98400124 A EP98400124 A EP 98400124A EP 98400124 A EP98400124 A EP 98400124A EP 0869236 A1 EP0869236 A1 EP 0869236A1
Authority
EP
European Patent Office
Prior art keywords
bit
axial
rotor
key
rotors
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
EP98400124A
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English (en)
French (fr)
Other versions
EP0869236B1 (de
Inventor
Robert Mangin
Christian Darmanin
Jacky Corniot
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.)
Assa Abloy France SAS
Original Assignee
Vachette SA
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 Vachette SA filed Critical Vachette SA
Publication of EP0869236A1 publication Critical patent/EP0869236A1/de
Application granted granted Critical
Publication of EP0869236B1 publication Critical patent/EP0869236B1/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
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/10—Coupling devices for the two halves of double cylinder locks, e.g. devices for coupling the rotor with the locking cam
    • E05B9/105—Coupling devices for the two halves of double cylinder locks, e.g. devices for coupling the rotor with the locking cam including disengagement means, e.g. opening from one side being still possible even if the key is inserted from the other side

Definitions

  • the invention relates to safety cylinders intended for the control of a lock, said cylinders comprising two barrels of safety which allow a control of the lock on each side of the door on which said lock is arranged.
  • a double barrel safety cylinder is a device well-known described, for example, in the French patent application 2 686 641.
  • This safety cylinder has two barrels made up each of a stator and a rotor capable of pivoting about an axis relative to the stator, each rotor having a key housing in which protruding keying means, the two stators being formed by coaxial cylindrical shells, which are linked between they according to a generator by a resistant rectilinear beam for form a stator block.
  • Each rotor has, at its opposite end at the key entry, a cylindrical recess on the side wall from which two diametrically opposite slots have been provided.
  • Each of the two barrels is likely to cause, via a mobile coach, a rotary bit carried by the ends of the two rotors, the bit being axially positioned relative to the block stator thanks to mechanical retaining means which are inserted between each of the stators and the bit and which engage in the ends of each of the rotors, so that these retaining means act not only for the axial positioning of the bit relative to the two stators, but also for the axial retention of each rotor in its associated stator.
  • the coach which allows to join angularly one of the rotors with the bit, is a part carried by the ends of the two rotors and capable of movement axial translation relative to the stator block so as to ensure the mechanical clutch between one or the other of the rotors and the bit, depending on the axial position it occupies.
  • the movement of the coach is carried out under the push of the end of the key when said key is engaged in the key housing of one of the rotors: in this case, the end of the key pushes the coach into a position, where it ensures the clutch between the rotor, where the key is engaged, and the bit; in this position, the other rotor of the stator block is disengaged from the bit.
  • the coach consists of two parts having the same profile comprising two diametrically opposite lugs, these two parts being linked together by a common axis and being able rotate freely with respect to each other; the bit has a cylindrical collar in which is formed a median veil, in which there is made an orifice, the outline of which corresponds to the common profile of each of the two parts of the coach.
  • the first part of the coach When the coach is in taken with the first rotor and with the bit, the first part of the coach has its pins engaged in the hole in the bit and in slots in the side wall of the end recess of the first rotor; in this position, the second part of the coach has its lugs engaged in the slots in the end recess of the second rotor and thus remains angularly positioned relative to this second rotor.
  • the angular position of the bit with respect to the stator block and the angular positions of the rotors with respect to said stator block are perfectly defined; in this relative position, the profiles of each part of the coach are vis-à-vis the corresponding holes in the bit wall.
  • the coach positions axially so that the profile of its first part penetrates in the opening of the veil of the bit, this first part remaining nevertheless mechanically engaged with the first rotor.
  • This position allows the first rotor to be turned by means of its key associated by training the bit and the first part of the coach, while the second part of the coach is not trained in rotation and remains engaged with the second rotor; due to rotation of the bit, the second part of the coach is no longer in front of the orifice allowing it to be secured to the veil of the bit and the coach can therefore no longer be operated in axial translation by the end of the key associated with the second rotor.
  • the present invention therefore relates to a safety cylinder for lock comprising two barrels made up each of a stator and a rotor capable of pivoting about an axis relative to the stator, each rotor having a key housing in which protruding keying means, the key associated with the rotor allowing the declaving of the rotor relative to its stator associated, the two rotors being coaxial and cooperating with a bit single rotary which is arranged between them and can be driven by a coach by one or the other of the two rotors for the operation of the lock, said coach being carried by the bit and consisting of two coaxial parts each associated with one of the two rotors, each part of the coach comprising two elements, namely an element peripheral and an axial element, these two elements being susceptible of a relative translation and being recalled elastically towards the relative position they occupy in the absence of a key, characterized by fact that the two parts of the coach are free to rotate one by relative to the other, the peripheral element of a coach part
  • each axial element comprises, on the one hand, a cylindrical barrel, which can slide in the corresponding annular element, and, on the other hand, on the rotor side with which it is associated, a front flange on one side of which takes supports an elastic means tending to push it towards its associated rotor and on the other side of which can bear the end of the key of said associated rotor.
  • one of the axial elements is a male element provided, on the side opposite to its flange, of an axial pivot, while the other axial element is a female element rotatably mounted on said pivot and mechanically retained at against the action of the elastic means associated with it; restraint mechanical of the female axial element on its pivot can be obtained by simple crimping.
  • each annular element comprises a peripheral shell on which two lugs protrude, said peripheral shell sliding in the orifice of the bit, and a internal shell guiding the translation of the associated axial element, the annular space between the two shells serving as housing for a elastic means.
  • the bit has a cylindrical collar, which is carried by both ends of the two rotors and held axially with respect to them, said collar being provided with a median veil where an orifice is made, the profile of which allows the axial passage of one or other of the annular elements for a suitable angular positioning of said annular element; But, in addition, the aforementioned orifice allows the axial passage of one or other of the axial elements whatever its angular orientation.
  • the stroke of an axial element is limited so that said axial element cannot extend substantially beyond the mean plane of the median of the bit when the element corresponding annular rests against the median veil of said bit.
  • each rotor has, at its end adjacent to the bit, an open cylindrical recess, on the one hand, on its entire face opposite the bit and, on the other hand, in two slots in its side wall, at least one of the two pins of each annular element extending radially so as to be able to engage in a slot in its associated rotor to ensure the connection in rotation between said rotor and said annular element, the axial dimension of the cylindrical recess being sufficient to contain one of the two parts of the coach and avoid, as well, that the annular element of the part contained in the recess does not come into engagement with the bit.
  • the bit can be maintained by compared to the two rotors thanks to two circlips arranged in grooves peripherals of the rotors, on either side of the collar of the bit.
  • the elastic means interposed between the collar of a axial element and the corresponding annular element either a spring helical arranged around the axial element.
  • the two stators of the stator block 1 of a safety cylinder comprising two barrels have been designated by 1 a and 1 b .
  • the safety cylinder which is described here, has identical elements for its right part and its left part in the drawing: the index a is assigned to the references of the organs of the left part and the index b for the references of the organs on the right, the reference figures adopted being the same for the same organs.
  • the stator block 1 constitutes a longitudinal beam in the median axial plane of which the keying devices 200 are arranged, which make it possible to immobilize angularly a rotor 2 a , 2 b placed in each of the stators 1 a , 1 b respectively.
  • Each rotor comprises, in a known manner, a key housing, the teeth of the key ensuring the unlocking of the aforementioned locking means.
  • Each rotor has, at its end disposed in the central zone of the safety cylinder, a recess 3 a , 3 b respectively; the recess 3 a , 3 b is cylindrical and it opens on the outside, on the one hand, by its end face facing the other rotor and, on the other hand, by two longitudinal slots 4 a , 4 b respectively, diametrically opposite.
  • Each rotor 2, 2b comprises externally in the bottom region of its recess, a peripheral groove 5a, 5b to the bottom of which opens the slits 4 a, 4 b.
  • a circlip 6a, 6b is inserted into the groove 5a, 5b and each block is longitudinally rotor within its associated stator. Between the two retaining rings 6a, 6b is disposed the bit 7 of the security cylinder.
  • the bit 7 comprises a cylindrical collar 8, which is carried by the two ends of the rotors 2 a , 2 b , said collar being provided with a median web 9.
  • the bit 7 also comprises, arranged radially by compared to the collar 8, an operating tab 10, which cooperates with the organs of the lock with which the safety cylinder is associated.
  • the veil 9 has in its central zone an orifice 11 consisting of a circular part 110 to which two diametrically opposite radial parts 111, 112 are connected; the radial parts 111, 112 have different profiles.
  • the collar 8 has an axially length corresponding to that which separates the two circlips 6 a , 6 b , from which it follows that the bit 7 is perfectly positioned longitudinally relative to the stator block 1 and to the two rotors 2 a , 2 b .
  • the driver 12 of the cylinder of FIG. 1 is made up of two parts, each formed by an axial element 13 a , 13 b and an annular element 14 a , 14 b .
  • the two annular elements 14 a , 14 b are strictly identical with respect to each other, while there is a slight difference between the two axial elements 13 a , 13 b .
  • one 13 has axial elements is a female element while the other 13 b is a male element, which comprises a pivot 15.
  • the pivot 15 is mechanically integral with the axial element 13 b and it passes through a axial bore 116 of the axial element 13 a .
  • the two axial elements 13 a , 13 b are capable of moving in a bore 16 a , 16 b of each annular element 14 a , 14 b .
  • Axial elements 13, 13b externally comprise a cylindrical central zone 113 surmounted on two opposite sectors, one of 90 ° and the other of 60 °, two longitudinal thickenings 114, 115 parallel to the axis of the zone 113.
  • Zone 113 and the two extra thicknesses 114, 115 constitute a cylindrical barrel.
  • Each axial element 13 a , 13 b comprises a front flange 17 a , 17 b respectively, which projects radially beyond the longitudinal thickenings 114, 115; each flange 17 a , 17 b therefore consists of two angular sectors, one of 90 ° and the other of 60 °.
  • a helical spring 18 a , 18 b is interposed between the flange 17 a , 17 b and the corresponding annular element 14 a , 14 b , so that the axial elements 13 a , 13 b are pushed by the helical springs 18 a , 18 b identical in the direction which separates the flanges 17 a , 17 b from the median plane of the coach 12.
  • the two axial elements 13 a , 13 b are nevertheless held relative to each other due to the fact that the end of the pivot 15 is crimped to prevent the ejection of the female axial element 13 a under the action of the spring 18 a .
  • the axial lengths of the parts 113, 114, 115 are identical; similarly the flanges 17 a , 17 b are identical.
  • the two axial elements 13 a , 13 b are therefore arranged symmetrically relative to the median plane of the coach, as shown in FIG. 4.
  • Each of the annular elements 14 a, 14 b has a cylindrical peripheral shell 214 from which project two pins 215, 216.
  • the lug 216 extends over the entire axial length of the shell 214 while the pin 215 is that a small axial length and is located at the end of one of the shell 214.
  • the profiles of the lugs 215, 216 are different; the two lugs 215, 216 occupy on the shell 214 equal and diametrically opposite angular sectors.
  • the shell 214 is hollowed out to constitute a wide slot 221.
  • an internal cylindrical shell 217 is connected coaxially to the shell 214.
  • the shell 217 has two zones recesses 218, 219 allowing the passage of the two extra thicknesses 114, 115 and, over a shorter axial length, the passage of the two sectors of the flanges 17 a , 17 b .
  • the inside diameter of the shell 217 corresponds, apart from the clearance, to the outside diameter of the cylindrical zone 113 of the axial elements 13 a , 13 b .
  • Between the shells 214 and 217 is formed an annular zone, which is extended, in the direction of the bearing end of the lug 215, by a groove 220.
  • the spring 18 a , 18 b is housed in said annular zone and its first turn is arranged in the groove 220.
  • the lugs 215 and 216 have a profile, which corresponds respectively to the radial parts 111, 112 of the orifice 11, and the diameter of the circular part 110 of the orifice 11 is equal, to the clearance close to the outside diameter of the cylindrical shell 214.
  • the median veil 9 of the bit 7 has a thickness which is sufficient so that, if the support plane of the annular elements against each other is in the median plane of the veil 9, the two pins 215, 216 of the two annular elements each have at least part of their axial length inside the thickness of the web 9, so that, in this position, represented in FIG. 12, the two annular elements 14 a , 14 b are engaged with bit 7.
  • the lugs 215 and 216 of the ring member 14a were positioned within the veil and 9 are fully engaged within the slots 4a of the rotor 2a, so that rotation of the bit 7 can be carried out without any modification of the angular position of the annular element 14a, which remains in place while the pivot 15 is pivoted with the annular elements 14 b and 13 b axially.
  • the operation of the safety cylinder was thus carried out from one of the barrels, without the position of the rotor 2 a of the other barrel having been modified, that is to say that the rotor 2 a is located in the position where the introduction of the key is possible.
  • FIG. 11 represents the same members as FIG. 10 after the key 20 b has subjected the bit 7 to a rotation of an angle of 90 ° clockwise. If the key 20 a is then introduced into the rotor 2 a , the tip of the key 20 a will be able to penetrate fully into the recess 3 a by engaging in the slot 221 of the annular element 14 a and pushing back the flange 17 a with complete crushing of the spring 18 a .
  • the axial element 13 a mechanically pushes the annular element 14 b to partially release the housings 110 and 111 from the web 9; this thrust from one element to the other is necessary to allow, in all cases, the penetration of the element 14 a into the web 9 under the thrust of the spring 18 a .
  • the action of the key causes a slight wedging by friction of the element 14 b in the veil 9 and, in this case, the thrust of the spring 18 a might not be sufficient for the element 14 a to penetrate into the veil 9, because the spring 18 a has low power.
  • the spring 18 b is partially compressed due to the fact that the key 20 b has necessarily remained in position in the rotor 2 b since, hypothetically, the rotor 2 b has rotated 90 ° and that, consequently , the key 20 b is not in the position where it can be extracted from its key housing.
  • the lugs 215 and 216 of the annular element 14 a are in abutment against the web 9 of the bit 7 and they remain there since the orifices 111, 112 have moved during the rotation of the bit 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Casings For Electric Apparatus (AREA)
  • Burglar Alarm Systems (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Actuator (AREA)
  • Push-Button Switches (AREA)
  • Vehicle Body Suspensions (AREA)
  • Hydraulic Motors (AREA)
EP98400124A 1997-04-02 1998-01-22 Von einer Seite aus betätigbarer Sicherheitszylinder selbst wenn ein Schlüssel auf der anderen Seite eingesteckt ist Expired - Lifetime EP0869236B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9703986 1997-04-02
FR9703986A FR2761714B1 (fr) 1997-04-02 1997-04-02 Cylindre de surete manoeuvrable d'un cote quand une clef est en place de l'autre cote

Publications (2)

Publication Number Publication Date
EP0869236A1 true EP0869236A1 (de) 1998-10-07
EP0869236B1 EP0869236B1 (de) 2001-04-18

Family

ID=9505419

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98400124A Expired - Lifetime EP0869236B1 (de) 1997-04-02 1998-01-22 Von einer Seite aus betätigbarer Sicherheitszylinder selbst wenn ein Schlüssel auf der anderen Seite eingesteckt ist

Country Status (5)

Country Link
EP (1) EP0869236B1 (de)
AT (1) ATE200699T1 (de)
DE (1) DE69800705T2 (de)
ES (1) ES2156430T3 (de)
FR (1) FR2761714B1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1930739A1 (de) * 1969-04-15 1970-10-29 Spaci Sa Zweizylinderschloss mit gemeinsamem Bart
DE3828354A1 (de) * 1988-08-20 1990-02-22 Karrenberg Fa Wilhelm Kupplungseinrichtung an doppelschliesszylinder
EP0509682A1 (de) * 1991-04-17 1992-10-21 DOM-Sicherheitstechnik GmbH & Co. KG Zylinderschloss
EP0536653A1 (de) * 1991-10-11 1993-04-14 Costruzioni Italiane Serrature Affini C.I.S.A. S.p.A. Zylinderschloss
DE9406141U1 (de) * 1993-04-19 1994-09-01 A/S Ruko, Herlev Mitnehmermechanismus für Verwendung in einem doppelten Zylinderschloß

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1930739A1 (de) * 1969-04-15 1970-10-29 Spaci Sa Zweizylinderschloss mit gemeinsamem Bart
DE3828354A1 (de) * 1988-08-20 1990-02-22 Karrenberg Fa Wilhelm Kupplungseinrichtung an doppelschliesszylinder
EP0509682A1 (de) * 1991-04-17 1992-10-21 DOM-Sicherheitstechnik GmbH & Co. KG Zylinderschloss
EP0536653A1 (de) * 1991-10-11 1993-04-14 Costruzioni Italiane Serrature Affini C.I.S.A. S.p.A. Zylinderschloss
DE9406141U1 (de) * 1993-04-19 1994-09-01 A/S Ruko, Herlev Mitnehmermechanismus für Verwendung in einem doppelten Zylinderschloß

Also Published As

Publication number Publication date
DE69800705D1 (de) 2001-05-23
FR2761714A1 (fr) 1998-10-09
FR2761714B1 (fr) 1999-06-04
ATE200699T1 (de) 2001-05-15
EP0869236B1 (de) 2001-04-18
DE69800705T2 (de) 2001-09-06
ES2156430T3 (es) 2001-06-16

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