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EP0940529A1 - Doppelsicherheitszylinder - Google Patents

Doppelsicherheitszylinder Download PDF

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Publication number
EP0940529A1
EP0940529A1 EP99400057A EP99400057A EP0940529A1 EP 0940529 A1 EP0940529 A1 EP 0940529A1 EP 99400057 A EP99400057 A EP 99400057A EP 99400057 A EP99400057 A EP 99400057A EP 0940529 A1 EP0940529 A1 EP 0940529A1
Authority
EP
European Patent Office
Prior art keywords
coach
bit
key
rotor
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP99400057A
Other languages
English (en)
French (fr)
Inventor
Bernard Haldric
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 EP0940529A1 publication Critical patent/EP0940529A1/de
Withdrawn legal-status Critical Current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.
  • the present invention therefore aims to provide a cylinder with a simple and inexpensive coach structure expensive for its realization and which leads to an easy assembly, everything allowing the cylinder to be maneuvered from one side when the key is in place on the other side.
  • the present invention relates to a cylinder for a lock comprising two barrels, each consisting of a stator and a rotor capable of pivoting about an axis relative stator, each rotor having a key housing in which do projection of the keying means, the key associated with the rotor allowing the declaving of the rotor relative to its associated stator, the two rotors being coaxial and cooperating with a single rotary bit which is arranged between them and can be trained by a coach by one or the other of the two rotors for operating the lock, said coach being carried by the bit and consisting of two half-coaches coaxial each associated with one of the two rotors, these two half-coaches being susceptible of relative translation and being resiliently recalled to the relative position they occupy in the absence of a key, the two half-coaches being free to rotate one relative to the other, and the coach being capable of translation along the common axis of the two rotors under the action of at least one key associated with at
  • the intermediate portions of the spring consist of a winding with contiguous turns. So the portions intermediates serve for guiding in axial translation of the coach and allow to create a bit and half-coach sub-assembly to facilitate assembly.
  • the central portion of the spring may consist of a winding with non-contiguous turns whose end turns are supported on the internal faces facing the two half-coaches.
  • the external portions of the spring consist of a winding with non-contiguous turns. Of preferably, the winding of the central portion of the spring has a average diameter greater than that of the outer portions. The portions external and the central portion allow to absorb the excess of key travel relative to the trainer.
  • the winding of the central portion has a substantially spindle shape and the winding of each outer portion may have a shape substantially frustoconical whose large base is supported on one side axially external of the associated coach and the small base is turned towards the rotor respective.
  • the winding of each portion intermediate has a constant diameter less than the turn of the portion central and the coil of the external portion which bear against the associate half-coach.
  • the axial travel of the half-coaches is limited so that each half coach cannot extend substantially beyond the mean plane of the median of the bit.
  • the two half-coaches are identical and have two protruding pins at their periphery diametrically opposite of different cross-section, so that the bit can only be trained by a half-coach for one unique angular relative position of said bit relative to said half-coach.
  • the two pins of the same half-coach can be in the form of curved lobes which are the inverse image of each other in a mirror.
  • the central portion of the spring ensures, in its rest position, an axial spacing between the two half-coaches between half and the thickness of the veil of the bit.
  • each half-coach comprises on the axially external face of at least one lug a recess, by V-shaped example, in the extension of the rotor key housing associated to allow the crushing of the external portion of the spring and the complete introduction of the key, when the half-coach is in an angular position which does not allow it to penetrate the veil.
  • the free end of at least one of the outer portions of the spring is bent towards the center, to avoid that the end of the key comes to unwind the spring by turning the key in the wrong way, while the opposite key keeps the other end fixed spring.
  • 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.
  • Each rotor comprises, in known manner, a key housing 3 a , 3 b respectively, the teeth of the key ensuring the release of the aforementioned keying means.
  • Each rotor has, at its end disposed in the central zone of the safety cylinder, a cylindrical recess and opening on the outside, on the one hand, by its end face facing the other rotor and , on the other hand, by two diametrically opposite longitudinal slots.
  • Each rotor 2 a , 2 b has externally, in the area of the bottom of its recess, a peripheral groove at the bottom of which opens the slots.
  • a circlip 6 a , 6 b is inserted in the groove and comes to block each rotor longitudinally inside its associated stator. Between the two circlips 6 a , 6 b is disposed the bit 7 of the safety 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 web 9 has in its central zone an orifice 11 consisting of a circular part 110 on which two slightly curved radial parts 111, 112 are diametrically opposite; the radial parts 111, 112 have different profiles and are for example the inverse image of one another in a mirror.
  • the collar 8 has at its two axial ends an internal annular counterbore 4 a , 4 b respectively, to receive 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 trainer 12 of the cylinder of FIG. 1 consists of two identical half-trainers 12 a , 12 b .
  • Each half-coach consists of a circular ring 14 a , 14 b which is extended at its outer periphery by a cylindrical barrel 13 a , 13 b extending over an angular sector greater than 180 °. From the external cylindrical barrel 13 a , 13 b , radially projecting outwards two lugs or lobes 15 a , 15 b and 16 a , 16 b diametrically opposite.
  • each lobe 15 a , 15 b and 16 a , 16 b has an active edge 115 a , 115 b and 116 a , 116 b intended to engage radially in the opposite longitudinal slots of the associated rotor 2 a , 2 b regardless of the axial position of the half-coach 12 a , 12 b , and shapes 215 a , 215 b and 216 a , 216 b which have a profile corresponding respectively to the curved radial parts 111 and 112 of the orifice 11 of the bit 7.
  • At least one lug 116 a , 116 b of each half-driver 12 a , 12 b has, from its axially external face, a slot extending radially 17 a , 17 b , having for example a profile in V intended to receive the end of a key, as explained below.
  • This slot 17 a, 17 b passes through the wall of the cylindrical barrel 13, 13b to the right of the through-bore 18 a, 18 b of the ring 14 a, 14 b.
  • the two half-coaches 12 a , 12 b have axially internal faces 19 a , 19 b intended to be in facing relation, and axially external surfaces 114 a , 114 b facing the respective rotor 2 a , 2 b .
  • a counterbore 119 a , 119 b is formed on the faces 19 a , 19 b around the respective bore 18 a , 18 b .
  • the coach 12 consists of a single spring 20 which is better represented in FIGS. 4 and 5.
  • the spring 20 comprises a central winding 21 with non-contiguous turns, the end turns 21 a , 21 b are supported on the counterbores 119 a , 119 b of the internal faces opposite 19 a , 19 b of the two half-coaches 12 a , 12 b , each end turn 21 a , 21 b extending by a respective intermediate winding 22 a , 22 b with contiguous turns, each intermediate winding being housed in the respective bore 18 a , 18 b of the associated half-coach.
  • Each intermediate winding 22 a , 22 b is extended by an external winding with non-contiguous turns 23 a , 23 b , each external winding supported by an end turn 24 a , 24 b on the external annular surface 114 a , 114 b of the associated half-coach and having a respective free end 25 a , 25 b , one of which 25 a is bent towards the center, as visible in FIG. 5A.
  • Each intermediate winding for example the intermediate winding 22 a , has a substantially constant diameter and less than that of the end turn 21 a of the central winding 21 and of the end turn 24 a of the external winding 23 a , which allows sandwiching between the turns 21 a and 24 to the ring 14 a of the half-driver 12 a which is thus coupled to the spring 20.
  • the central winding 21 has a progressively increasing diameter from its end turns 21 a , 21 b to its center, defining an overall curved or spindle shape.
  • each external winding 23 a , 23 b has a progressively decreasing diameter in the direction of the associated rotor, thus defining a substantially frustoconical shape.
  • the central winding 21 has a diameter greater than that of the external windings, the latter have a greater stiffness than the central winding 21 which will therefore be compressed primarily to the external windings 23 a , 23 b , under the action of the thrust d 'a key.
  • the free non-bent end 25 b of the spring 20 is inserted through the bore 18 b of the half-driver 12 b from its internal face 19 b .
  • a clamp is used to lengthen the external winding 23 b of the spring so that the thickness of the ring 14 b penetrates into the inter-turn spacing of the external winding 23 b , which makes it possible to screw the 'external winding 23 b through the half-coach 12 b , until its end turn 24 b is in abutment against the external annular face 114 b of the half-coach 12 b .
  • the intermediate winding 22 b having a length substantially equal to the axial length of the bore 18 b , the end turn 21 b of the central winding 21 is in abutment against the counterbore 119 b of the internal face 19 b of the half-coach 12 b . Contrary to what is shown in FIG. 4, it is then necessary to mount the bit 7 on the internal face 19 b of the half-coach 12 b , before assembling the other half-coach 12 a , otherwise it would not be no longer possible to mount the bit 7 from the assembly of FIG. 4.
  • the other half-coach 12 a is then mounted on the end 25 a of the spring 20.
  • the bit 7 between the two half-coaches it becomes difficult to use the pliers to screw the same way the external portion 23 has spring through the half-coach 12 a .
  • a rod is then used having a beveled end which engages through the assembly of the two half-coaches 12 a , 12 b and of the spring 20, starting from the non-bent end 25 b of the spring 20.
  • the beveled end of the rod is inserted into the half-opening 26 defined by the curved end 25 a of the external winding 23 a , an axial thrust is exerted on the rod while rotating, which has the effect to allow the bore 18 a of the half-driver 12 a to pass through the external winding 23 a .
  • the half-driver 12 has been positioned completely outside of the web 9 of the bit 7 and is fully engaged inside the slots of the rotor 2 a , so that a rotation of the bit 7 can be carried out without no modification of the angular position of the half-coach 12 a , which remains in place.
  • 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 key can be inserted.
  • the parts 215 b , 216 b which penetrate inside the veil 9 of the bit 7 have an axial length substantially equal to half the thickness of the veil 9, to allow, as indicated below, the two half-coaches of penetrate the veil.
  • the central winding of the spring 20 has at rest an axial length slightly greater than the half-thickness of the web 9 of the bit 7, so that in the position of FIG. 6, the half-driver 12 a is completely disengaged from the veil of the bit.
  • the respective recesses of the rotors 2 a , 2 b have a length sufficient to allow the displacement of the half-coaches 12 a , 12 b over a stroke approximately equal to half the thickness of the web 9 of the bit 7.
  • the active edges 115 b and 116 b of the pins 15 b and 16 b of the coach 12 b may serve as an end-of-travel stop for introducing the half-coach 12 b inside the orifice 11 of the web 9 of the bit 7.
  • the key end 101 will be supported on the free end 25a of the spring 20, which pushes the half-driver 12 is to the right in Figure 7 to engage the latter with the veil of the bit 7.
  • the central winding 21 of the spring 20 is in this fully compressed position between the two half-coaches 12 a and 12 b inside the counterbores 119 a and 119 b provided around the bores 18 a and 18 b on the internal surface 19 a , 19 b of each half-coach.
  • the stiffness of the external windings is greater than that of the central winding 21, the latter will be compressed by the keys 100 a and 100 b allowing the engagement of the two half-coaches with the bit 7.
  • FIG. 8 represents the same members as FIG. 7, after the key 100b has subjected the bit 7 to a rotation of an angle of 90 ° clockwise.
  • the flat end 101 a of the key will bear on the free end 25 a of the spring 20 by engaging in the slot 17 a of the half-driver 12 a .
  • the inner face 19 a of the driver 12 has half bears against the web 9 of the blade 7, without penetrating into the orifice 11 because their relative angular position is shifted. Consequently, the external winding 23 a will be compressed by the end of the key 101 a allowing the complete introduction of the key 100 a .
  • the key 100 b In the position of the figure 8, the key 100 b is not in a position where it can be extracted from its key housing, but when the key 100 a has also been turned by an angle of 90 °, any subsequent action of rotation on the key 100 a will drive the bit 7 and, simultaneously, the half-coach 12 b , the rotor 2 b and the key 100 b .
  • This drive can be maintained until one is in the open position of the lock and the two rotors 2 a , 2 b are returned to their rest position which allows the extraction of the key.
  • the keys used can be of the movable type movable in an orifice 102 b extending in the plane of the end of the key 101 b .
  • another type of key could also be used.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
EP99400057A 1998-03-05 1999-01-12 Doppelsicherheitszylinder Withdrawn EP0940529A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9802705 1998-03-05
FR9802705A FR2775716B1 (fr) 1998-03-05 1998-03-05 Cylindre de surete a barillet double

Publications (1)

Publication Number Publication Date
EP0940529A1 true EP0940529A1 (de) 1999-09-08

Family

ID=9523697

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99400057A Withdrawn EP0940529A1 (de) 1998-03-05 1999-01-12 Doppelsicherheitszylinder

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EP (1) EP0940529A1 (de)
FR (1) FR2775716B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2218850A1 (de) * 2009-02-13 2010-08-18 ABUS Pfaffenhain GmbH Kupplungseinrichtung für einen zwei Zylinderkerne beinhaltenden Doppelschließzylinder mit Not- und Gefahrenfunktion
WO2011163335A1 (en) * 2010-06-25 2011-12-29 Newfrey Llc Mortise lock cylinder
WO2014071916A3 (de) * 2012-11-12 2014-07-03 Assa Abloy Sicherheitstechnik Gmbh Kupplung für einen schliesszylinder
EP2410110A3 (de) * 2010-07-22 2014-11-05 DOM Sicherheitstechnik GmbH & Co. KG Schließzylinder, insbesondere Doppelschließzylinder mit freilaufendem Schließglied

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3535426A1 (de) * 1985-10-04 1987-04-09 Bks Gmbh Kupplungseinrichtung in einem doppelschliesszylinder
DE8706875U1 (de) * 1987-05-13 1988-09-15 DOM-Sicherheitstechnik GmbH & Co KG, 5040 Brühl Kupplungseinrichtung an Doppel-Schließzylindern
DE3828354A1 (de) * 1988-08-20 1990-02-22 Karrenberg Fa Wilhelm Kupplungseinrichtung an doppelschliesszylinder
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3715972C2 (de) 1987-05-13 1996-02-15 Dom Sicherheitstechnik Kupplungseinrichtung an Doppel-Schließzylindern
DE4112564A1 (de) 1991-04-17 1992-10-22 Dom Sicherheitstechnik Schliesszylinder
FR2686641B1 (fr) 1992-01-24 1995-12-01 Profalux Serrure a barillet tournant et a double entree.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3535426A1 (de) * 1985-10-04 1987-04-09 Bks Gmbh Kupplungseinrichtung in einem doppelschliesszylinder
DE8706875U1 (de) * 1987-05-13 1988-09-15 DOM-Sicherheitstechnik GmbH & Co KG, 5040 Brühl Kupplungseinrichtung an Doppel-Schließzylindern
DE3828354A1 (de) * 1988-08-20 1990-02-22 Karrenberg Fa Wilhelm Kupplungseinrichtung an doppelschliesszylinder
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2218850A1 (de) * 2009-02-13 2010-08-18 ABUS Pfaffenhain GmbH Kupplungseinrichtung für einen zwei Zylinderkerne beinhaltenden Doppelschließzylinder mit Not- und Gefahrenfunktion
WO2011163335A1 (en) * 2010-06-25 2011-12-29 Newfrey Llc Mortise lock cylinder
EP2410110A3 (de) * 2010-07-22 2014-11-05 DOM Sicherheitstechnik GmbH & Co. KG Schließzylinder, insbesondere Doppelschließzylinder mit freilaufendem Schließglied
WO2014071916A3 (de) * 2012-11-12 2014-07-03 Assa Abloy Sicherheitstechnik Gmbh Kupplung für einen schliesszylinder

Also Published As

Publication number Publication date
FR2775716B1 (fr) 2000-05-19
FR2775716A1 (fr) 1999-09-10

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