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GB2089082A - Device for bruglary alarm protected doors - Google Patents

Device for bruglary alarm protected doors

Info

Publication number
GB2089082A
GB2089082A GB8203929A GB8203929A GB2089082A GB 2089082 A GB2089082 A GB 2089082A GB 8203929 A GB8203929 A GB 8203929A GB 8203929 A GB8203929 A GB 8203929A GB 2089082 A GB2089082 A GB 2089082A
Authority
GB
United Kingdom
Prior art keywords
alarm system
keyhole
electromagnet
extending over
position extending
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
GB8203929A
Other versions
GB2089082B (en
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.)
KARLSSON KARL GORAN
Original Assignee
KARLSSON KARL GORAN
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 KARLSSON KARL GORAN filed Critical KARLSSON KARL GORAN
Publication of GB2089082A publication Critical patent/GB2089082A/en
Application granted granted Critical
Publication of GB2089082B publication Critical patent/GB2089082B/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/14—Closures or guards for keyholes
    • E05B17/147—Closures or guards for keyholes electrically-operated
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Lock And Its Accessories (AREA)

Abstract

A device intended to be used to prevent unintentional triggering of an alarm system when unlocking a door to premises protected by a burglary alarm system, including a movable slide (4) located adjacent to the outer surface of the door (2), arranged to take up a position extending over a keyhole (10) in the door by means of tension applied from a spring member (9), and which by means of a locking member (6, 7), influenced by an electromagnet (8) connected to the alarm circuit, is locked in a position extending over the keyhole (10) when the alarm system is operational, said slide (4) being manually removable from the position extending over the keyhole (10) when the connecting conditions of the electromagnet (8) is altered in connection with disconnection of the alarm system. By utilising a time delay relay, or an electronical time delay circuit, connected between the electromagnet (8) and the alarm circuit, the state of the electromagnet (8) can be altered after a predetermined interval of time as from the moment the alarm system is disconnected, thereby again locking the slide (4) in the position extending over the keyhole (10), in order to prevent insertion of alien objects into the keyhole (10) when the alarm system is not in operation.
GB8203929A 1980-01-24 1981-01-19 Device for bruglary alarm protected doors Expired GB2089082B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8000582A SE419879B (en) 1980-01-24 1980-01-24 DEVICE IN Burglar Alarm Protective Doors

Publications (2)

Publication Number Publication Date
GB2089082A true GB2089082A (en) 1982-06-16
GB2089082B GB2089082B (en) 1983-12-07

Family

ID=20340063

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8203929A Expired GB2089082B (en) 1980-01-24 1981-01-19 Device for bruglary alarm protected doors

Country Status (5)

Country Link
EP (1) EP0053111A1 (en)
GB (1) GB2089082B (en)
NO (1) NO152463C (en)
SE (1) SE419879B (en)
WO (1) WO1981002178A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE457101B (en) * 1985-03-04 1988-11-28 Berndt Eriksson DEVICE IN Burglar alarm protected doors
CH679603A5 (en) * 1989-05-29 1992-03-13 Vidmar Ag Bank safe installation security compartment - has second door hinged on first one outside, covering its lock when shut
FR2686116B1 (en) * 1991-10-23 1995-08-25 Ramblier Yves LOCK COMPRISING A MOBILE PROTECTION SHUTTER.
FR2789713B1 (en) * 1999-02-15 2001-03-30 Decayeux Ets DEVICE FOR PROTECTING THE CYLINDER OF A DOOR LOCK
DE20208183U1 (en) 2002-05-25 2002-09-12 InPro technik GmbH, 25992 List Device for securing emergency exit doors
US20220228400A1 (en) * 2019-05-02 2022-07-21 Anton Valeriiyovych Remiz Alarm device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2204013A1 (en) * 1972-01-28 1973-08-02 Josef Jongen KEYHOLE LOCK
DE2533978A1 (en) * 1975-07-30 1977-02-17 Metzenauer & Jung Gmbh OPERATING DEVICE FOR ELECTRIC BURGLAR ALARM SYSTEM
DE2629313A1 (en) * 1976-06-30 1978-01-12 Zeiss Ikon Ag Alarm system with two locks - has delay system for blocking alarm if second lock is opened within predetermined time
FR2428125A1 (en) * 1978-06-06 1980-01-04 Neiman Sa DEVICE FOR SEALING THE KEY CHANNEL OF A LOCK

Also Published As

Publication number Publication date
EP0053111A1 (en) 1982-06-09
NO152463C (en) 1985-10-02
GB2089082B (en) 1983-12-07
SE8000582L (en) 1981-07-24
NO813172L (en) 1981-09-17
WO1981002178A1 (en) 1981-08-06
SE419879B (en) 1981-08-31
NO152463B (en) 1985-06-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930119