EP0732472A2 - Einrichtung zum Blockieren von Riegeln in einer Sicherheitstür - Google Patents

Einrichtung zum Blockieren von Riegeln in einer Sicherheitstür Download PDF

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Publication number
EP0732472A2
EP0732472A2 EP96103334A EP96103334A EP0732472A2 EP 0732472 A2 EP0732472 A2 EP 0732472A2 EP 96103334 A EP96103334 A EP 96103334A EP 96103334 A EP96103334 A EP 96103334A EP 0732472 A2 EP0732472 A2 EP 0732472A2
Authority
EP
European Patent Office
Prior art keywords
casing
bolt
sensor
door
flange
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
EP96103334A
Other languages
English (en)
French (fr)
Other versions
EP0732472B1 (de
EP0732472A3 (de
Inventor
Deo Errani
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.)
CISA SpA
Original Assignee
CISA SpA
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 CISA SpA filed Critical CISA SpA
Publication of EP0732472A2 publication Critical patent/EP0732472A2/de
Publication of EP0732472A3 publication Critical patent/EP0732472A3/de
Application granted granted Critical
Publication of EP0732472B1 publication Critical patent/EP0732472B1/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
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/18—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
    • E05B63/20—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position released automatically when the wing is closed
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/10—Locks or fastenings for special use for panic or emergency doors
    • E05B65/1006—Locks or fastenings for special use for panic or emergency doors of the vertical rod type
    • E05B65/1013—Trigger means for holding the bolt in the retracted position and releasing the bolt when the door is closed

Definitions

  • the present invention relates to an improvement to a device for locking bolts in a safety door.
  • the bolts are connected to the lock by rods and are preset so that when the door is open the lower bolt may move downwards and make contact with the floor.
  • an appropriate rod locking device is provided.
  • Said device comprises a casing adapted to be located in a seat of the upper edge of the door and is provided with a hole for the passage of the bolt.
  • a spring-loaded sensor is slideable in the casing and has a chamfered end that cooperates with the transverse upper member or head member of the door frame which is fixed to the wall.
  • a transversely-movable pin is arranged in the sensor, and its opposite ends engage slots of the casing that are shaped so as to lock the bolt in a retracted position when the sensor is expelled from the casing due to the action of the spring.
  • This device can jam if the casing is not perfectly coaxial with respect to the bolt and can therefore compromise door opening and closure.
  • a principal aim of the present invention is therefore to provide an improved device for locking bolts in a safety door which obviates such drawbacks.
  • the device comprises a cylindrical casing 1 having flat and parallel regions 2 and 3 in mutually opposite positions.
  • the casing 1 is provided with a bottom 4 and, at the end opposite to the bottom 4, with an ellipsoidal flange 5, wherein two holes 6 and 7 are formed; said holes are diametrically opposite with respect to the axis A of the casing.
  • Two bushes 8 and 9 engage loosely in the holes 6 and 7 and are rigidly coupled to the lower face of a plate 10.
  • the plate 10 is superimposed on the flange 5 and has the same shape as the flange 5.
  • the bushes 8 and 9 are higher than the thickness of the flange 5 and are crossed by screws 11 and 12, which fix the plate 10 in the upper rail of the door leaf 13.
  • the larger diameter of the holes 6 and 7 with respect to the diameter of the bushes 8 and 9 and the greater height of said bushes with respect to the thickness of the flange 5 allow said flange 5, and therefore the casing 1, to perform small tilting motions.
  • the casing 1 is inserted loosely in a cylindrical cavity 14 that is open on the upper edge 15 of the leaf and so that the flat regions 2 and 3 are at right angles to the plane of said door leaf.
  • a hole 16 is formed in the bottom 4, eccentrically with respect to the axis A of the casing 1, and the bolt 17 is driven therethrough; said bolt 17 is engageable with the upper transverse member or head member of the door frame, which is fixed to a wall, in order to lock the door in a closed position.
  • the bolt 17 is constituted by a cylindrical rod actuated by a lock, which may be of a conventional type.
  • the hole 16, crossed by the bolt 17, is internally tangent to the casing 1, so that the bolt is in tangent contact with the inner part of the casing along a line 18 that lies on the intermediate centerline plane P and is parallel to the flat regions 2 and 3.
  • the eccentric position of the bolt 17 allows to place, between said bolt and the wall of the casing 1 lying opposite to the contact point 18, a sensor 19 which detects the closed or open position of the door, so as to accordingly control the release or locking of the bolt.
  • Said sensor 19 is constituted by an element having a substantially U-shaped cross-section that forms, with two wings 20 and 21, a substantially semicylindrical channel 22 inside which the bolt 17 is guided.
  • the wings 20 and 21 are connected by a thicker portion 23, in which a hole 24 is formed at right angles to the axis A of the casing 1; said hole is ovalized so as to intersect the channel 22.
  • a pin 25 is inserted in the hole 24, and its opposite ends engage in slots 26 and 27 formed in the flat regions 2 and 3 of the casing.
  • the slots 26 and 27 comprise a lower portion 28 that is parallel to the axis A of the casing and an upper portion 29 that is inclined so that by making the sensor 19 slide in the casing 1, the pin 25 moves transversely in the hole 24.
  • the end of the sensor 19, which protrudes from the casing 1, has a chamfer 30 that affects not only the portion 23 but also the wings 20 and 21, so as to form a sort of spring latch adapted to retract when the sensor strikes the head member 33 of the door frame which is fixed to the wall.
  • the described device is completed by a spring 31 (figure 1) interposed between the bottom 4 and the sensor 19 and partially accommodated in a recess 32 of the portion 23.
  • Figure 4 is a view of the device in the door opening condition, i.e., with the bolt 17 retracted.
  • the sensor 19 is pushed upwards, so that the pin 25, by following the profile of the slots 26 and 27, is moved laterally in the ovalized hole 24 and is forced against the bolt 17, which is thus locked in a retracted position.
  • the sensor 19 due to the abutment of the chamfer 30 against the head member 33 of the door frame, is pushed so as to retract into the casing 1, so as to cause the spacing of the pin 25 from the bolt 17 by virtue of the slots 26 and 27, thus allowing said bolt to engage in the opening 34 of the head member 33 when the strike lock is activated.
  • the fundamental prerogative of the present invention resides in the fact that the casing 1, by virtue of the play between the flange 5 and the plate 10, can tilt freely and can thus cancel any axial misalignments between the bolt 17 and the sensor 19 that might cause bolt jamming. Even if the bolt 17 were not perfectly parallel to the axis A (see figures 6 and 7), the play between the flange 5 and the plate 10 would anyway allow the casing 1 to be arranged so as to allow the free sliding of the sensor 19 on the bolt 17.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Lock And Its Accessories (AREA)
  • Gates (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
EP96103334A 1995-03-16 1996-03-04 Einrichtung zum Blockieren von Riegeln in einer Sicherheitstür Expired - Lifetime EP0732472B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1995BO000043U IT238933Y1 (it) 1995-03-16 1995-03-16 Perfezionamento a un dispositivo per bloccare i chiavistelli in unaporta di sicurezza
ITBO950043 1995-03-16

Publications (3)

Publication Number Publication Date
EP0732472A2 true EP0732472A2 (de) 1996-09-18
EP0732472A3 EP0732472A3 (de) 1997-03-26
EP0732472B1 EP0732472B1 (de) 2000-02-02

Family

ID=11340271

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96103334A Expired - Lifetime EP0732472B1 (de) 1995-03-16 1996-03-04 Einrichtung zum Blockieren von Riegeln in einer Sicherheitstür

Country Status (5)

Country Link
EP (1) EP0732472B1 (de)
AT (1) ATE189499T1 (de)
DE (1) DE69606444T2 (de)
ES (1) ES2141986T3 (de)
IT (1) IT238933Y1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1475495A3 (de) * 2003-04-23 2007-12-19 WILKA SCHLIESSTECHNIK GmbH Schaltschloss für eine in einer Tür geführte Treibstange
CN112334350A (zh) * 2018-07-03 2021-02-05 塞比意大利股份公司 具有位置传感器的机动车盖的锁

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103075055A (zh) * 2013-01-16 2013-05-01 创斯达（南通）机电有限公司 门销锁定装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1264174B1 (it) * 1993-07-21 1996-09-23 Italiane Serrature Affi Ni C I Dispositivo per bloccare i chiavistelli comandati dalla contro serratura in una porta di sicurezza a due ante.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1475495A3 (de) * 2003-04-23 2007-12-19 WILKA SCHLIESSTECHNIK GmbH Schaltschloss für eine in einer Tür geführte Treibstange
CN112334350A (zh) * 2018-07-03 2021-02-05 塞比意大利股份公司 具有位置传感器的机动车盖的锁
CN112334350B (zh) * 2018-07-03 2024-04-12 塞比意大利股份公司 具有位置传感器的机动车盖的锁

Also Published As

Publication number Publication date
EP0732472B1 (de) 2000-02-02
ATE189499T1 (de) 2000-02-15
DE69606444T2 (de) 2000-06-21
IT238933Y1 (it) 2001-02-19
ITBO950043U1 (it) 1996-09-16
DE69606444D1 (de) 2000-03-09
EP0732472A3 (de) 1997-03-26
ITBO950043V0 (it) 1995-03-16
ES2141986T3 (es) 2000-04-01

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