EP0385049B1 - Türwächter - Google Patents

Türwächter Download PDF

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Publication number
EP0385049B1
EP0385049B1 EP89810158A EP89810158A EP0385049B1 EP 0385049 B1 EP0385049 B1 EP 0385049B1 EP 89810158 A EP89810158 A EP 89810158A EP 89810158 A EP89810158 A EP 89810158A EP 0385049 B1 EP0385049 B1 EP 0385049B1
Authority
EP
European Patent Office
Prior art keywords
door
base plate
pivoting
switch
case
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.)
Expired - Lifetime
Application number
EP89810158A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0385049A1 (de
Inventor
Peter Beuchat
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.)
Schloss- & Beschlagefabrik AG
Original Assignee
Schloss- & Beschlagefabrik AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8203132&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0385049(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Schloss- & Beschlagefabrik AG filed Critical Schloss- & Beschlagefabrik AG
Priority to ES89810158T priority Critical patent/ES2043089T3/es
Priority to AT89810158T priority patent/ATE93293T1/de
Priority to EP89810158A priority patent/EP0385049B1/de
Priority to DE8989810158T priority patent/DE58905325D1/de
Publication of EP0385049A1 publication Critical patent/EP0385049A1/de
Application granted granted Critical
Publication of EP0385049B1 publication Critical patent/EP0385049B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/06—Mechanical actuation by tampering with fastening
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B13/00—Devices preventing the key or the handle or both from being used
    • E05B13/002—Devices preventing the key or the handle or both from being used locking the handle
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B45/00—Alarm locks
    • E05B45/06—Electric alarm locks

Definitions

  • the present invention relates to a door guard for fastening below a lever handle, with a base plate which can be fastened to the door and a base which can be pivoted and disengaged from the base plate, with a housing fastened thereon, and an electrical circuit and first means for signaling pivoting of the housing, the housing can only be brought from the unlatched and locked position into the starting position by means of a secured locking device.
  • Such door guards are known from DE-U-81 18 314 and are usually used to secure emergency exits, these door guards being installed in the space to be secured, which ensures that the door handle cannot be depressed from the outside and that a Swiveling the door guard and thus the release of the door handle is signaled, whether by triggering an alarm or by forwarding a signal to a control center. As a rule, the normal functions of a lock are not impaired.
  • Bypassing the security function of a door guard can e.g. by unscrewing the door guard from the door or disassembling it with more or less force. Such manipulations can be detected by safety switches or other electrical contact elements installed in the door guard and displayed in a control center.
  • Other problem areas of known door guards are that the door guard must be pivoted very far, up to 45 °, until a position is reached from which the door guard can no longer be swung back into the starting position without a key and a signal is triggered, and that this lock can be broken with relatively little effort for lack of stability.
  • the base plate 2 which can be fastened to a door 1 (see FIG. 4), the base 3 which is pivotably fastened to the base plate and the housing 4.
  • the base plate 2 is fastened to the door by means of, for example, four screws, which can be both a wooden door and a metal door, and screws or rivets adapted to it can be used.
  • the pivot point 5 of the floor opposite the base plate also serves as a feedthrough for the electrical cable 6, in the present case this cable runs in a socket 7 which is secured by a spring ring 8.
  • the release and locking device consists essentially of a lever 9, which is mounted at 10, and one arm 11 is under the pressure of a spring 12, and the other arm 13 has a locking pin 14 which, running in a socket 15, protrudes through the floor 3.
  • the first arm 11 opens into two legs, the first leg 16 protruding into the compression spring 12 and the second leg 17 pointing upwards in order to be gripped by the finger 18 on the locking cylinder 19 in the housing 4.
  • the second arm 13 has an actuating part 20 arranged opposite the locking pin 14, which actuates the contact 21 of a switch 22 when the locking pin 14 engages.
  • the base plate has in its center a recess 23 for engaging the locking pin, and on both sides of this recess a bore 24 through which the locking pin can slide completely. So that the locking pin can easily slide out of the recess 23, it is provided with a cone 25 at the front. However, this may only be small so that the pin cannot slide out of the opening 24.
  • a bore 24 is provided on both sides of the recess 23, which marks the rest position, in order to only have to produce a base plate that can be used for a right-hand or left-hand pivoting design. Therefore, the base plate also has a cutout 26 on both sides and the bottom in this area each has a bore 27 through which a blocking pin 28 can be inserted in order to prevent the door guard from pivoting in the other direction beyond the rest position.
  • an additional signal transmitter is installed, which signals that the housing's fastening screws have been loosened on the floor.
  • the signal is triggered by the fastening screw 29, the tip of which, when screwed in, presses on the contact 30 of a switch 31 and which responds when the screw is loosened. It goes without saying that it is not necessarily this screw 29 which actuates the contact, it can also be any other of the fastening screws 32, or more than one switch can be provided to report the loosening of fastening screws.
  • a double-function switch 33 can be seen, the contact plunger 34 of which is in the middle in the rest position of the door guard position and triggers contact as soon as the plunger is moved up or down out of the middle position.
  • Adjoining the contact plunger 34 is an intermediate piece 35, which is freely arranged in a corresponding bore 36 in the base plate 2 and projects into the opening 37 for the contact plunger in the base 3.
  • the height of the intermediate piece 35 is dimensioned such that it is flat with the base plate in the rest position of the double function switch, or respectively the contact plunger, and thus rests on the door 1. If the door guard together with the base plate is now lifted off the door, the contact plunger 34, which is under spring pressure, can move out completely and trigger a contact.
  • the diameter of the opening 37 is selected according to the desired path, the opening tapering towards the base plate, so that when the contact plunger slides on this inclined plane 38 it lifts up and in Signal triggers.
  • the various NEN switch In order to perceive, forward and / or display these changes, it is imperative that the various NEN switch to connect to an electrical circuit and from there to a processing unit, usually a switchgear.
  • the electrical and electronic parts are located on a printed circuit board 39 on which electrical conductor tracks are printed.
  • an acoustic signal transmitter 40 which can be switched, for example, in such a way that an alarm is triggered when the door guard is pivoted to actuate the handle.
  • the electrical circuit has a commercially available battery 41, which is necessary if the signal transmitter is not supplied from the outside or to ensure the operation of the electrical part in the event of a power failure.
  • the electrical circuit has a series of contacts 42, for example seven, to which the electrical conductor tracks, which originate from the various switches and from the acoustic signal generator, are connected and to which the wires contained in the cable 6 can be connected.
  • a coding switch 43 is connected to these contacts, with which the various desired operating states can be set. For example, it may be desirable that, as described above, only pivoting the door guard into the locking position triggers an acoustic signal, while all other manipulations are forwarded to the control center without triggering an acoustic signal, where either an alarm is triggered or other display functions are in operation be set.
  • this coding switch it is also possible with this coding switch to connect the actuation of other switches with the acoustic signal transmitter or, on the other hand, any to prevent acoustic signaling.
  • the electrical circuit with the coding switch will be switched in such a way that any change or manipulation is passed on to the monitoring point, which also includes that an interruption in the cable is also indicated.
  • a polarity reverser 44 is provided, since certain signal transmitters or switches only function in one direction.
  • the door guard does not need to be connected to a signaling center, for example for single doors, so that only the commercially available 9V DC battery is required.
  • a siren or flashing light connected to the mains or other suitable warning devices can also be controlled with the alarm switch.
  • Both the base plate and the base and the housing are preferably made of metal, for example die-cast aluminum, in order to largely prevent damage. Since the housing is connected to the floor in a relatively tight manner, it is expedient to provide smaller holes in the area of the sound generator in order to allow sound to escape.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Special Wing (AREA)
  • Burglar Alarm Systems (AREA)
  • Lighters Containing Fuel (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
EP89810158A 1989-03-01 1989-03-01 Türwächter Expired - Lifetime EP0385049B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES89810158T ES2043089T3 (es) 1989-03-01 1989-03-01 Controlador de puerta.
AT89810158T ATE93293T1 (de) 1989-03-01 1989-03-01 Tuerwaechter.
EP89810158A EP0385049B1 (de) 1989-03-01 1989-03-01 Türwächter
DE8989810158T DE58905325D1 (de) 1989-03-01 1989-03-01 Tuerwaechter.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP89810158A EP0385049B1 (de) 1989-03-01 1989-03-01 Türwächter

Publications (2)

Publication Number Publication Date
EP0385049A1 EP0385049A1 (de) 1990-09-05
EP0385049B1 true EP0385049B1 (de) 1993-08-18

Family

ID=8203132

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89810158A Expired - Lifetime EP0385049B1 (de) 1989-03-01 1989-03-01 Türwächter

Country Status (4)

Country Link
EP (1) EP0385049B1 (es)
AT (1) ATE93293T1 (es)
DE (1) DE58905325D1 (es)
ES (1) ES2043089T3 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20208183U1 (de) * 2002-05-25 2002-09-12 Inpro Technik Gmbh Vorrichtung zur Sicherung von Notausgangstüren

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3464243A (en) * 1967-06-28 1969-09-02 Gen Alarm Corp Cylinder lock
DE8118314U1 (de) * 1981-06-24 1981-09-17 GfS - Gesellschaft für Sicherheitstechnik mbH, 2000 Hamburg Vorrichtung zum blockieren von tuerdrueckern
GB2131869B (en) * 1982-12-10 1986-10-22 Energy Equip Lock
DE3718339A1 (de) * 1986-12-29 1988-07-07 Fritz Richard Baumgart Schluesselschalter bzw. schluesseltaster
DE8801340U1 (de) * 1988-02-04 1988-03-24 Düperthal GmbH Sicherheitstechnik, 8757 Karlstein Türschloß, insbesondere Panikschloß für Notausgänge

Also Published As

Publication number Publication date
DE58905325D1 (de) 1993-09-23
ES2043089T3 (es) 1993-12-16
EP0385049A1 (de) 1990-09-05
ATE93293T1 (de) 1993-09-15

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