GB191397A - Improvements in theft preventing devices - Google Patents

Improvements in theft preventing devices

Info

Publication number
GB191397A
GB191397A GB655/23A GB65523A GB191397A GB 191397 A GB191397 A GB 191397A GB 655/23 A GB655/23 A GB 655/23A GB 65523 A GB65523 A GB 65523A GB 191397 A GB191397 A GB 191397A
Authority
GB
United Kingdom
Prior art keywords
pin
latch
outer lock
theft preventing
movable member
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
Application number
GB655/23A
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.)
DANSK TYVERIALARM VED BONNELAN
Original Assignee
DANSK TYVERIALARM VED BONNELAN
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 DANSK TYVERIALARM VED BONNELAN filed Critical DANSK TYVERIALARM VED BONNELAN
Publication of GB191397A publication Critical patent/GB191397A/en
Expired legal-status Critical Current

Links

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
    • G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

191,397. Dansk Tyverialarm ved. B÷nneland & Petersen. Jan. 9, 1922, [Convention date]. No Patent granted (Sealing fee not paid). Switches, quickaction. - A switch, bv means of which an authorized person may break a burglar alarm circuit, consists of a contact pin 10 normally in contact with a fixed spring 11. The pin 10 is on a member 17, which is turned bv the movable member of either an inner or an outer lock, and the member 17 is held by a latch 21 which engages a recess 22. The latch 21 may be disengaged either by a lever 23 from inside the door by a pin 25 on the movable member of the outer lock.
GB655/23A 1922-01-09 1923-01-08 Improvements in theft preventing devices Expired GB191397A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK191397X 1922-01-09

Publications (1)

Publication Number Publication Date
GB191397A true GB191397A (en) 1923-11-29

Family

ID=8149853

Family Applications (1)

Application Number Title Priority Date Filing Date
GB655/23A Expired GB191397A (en) 1922-01-09 1923-01-08 Improvements in theft preventing devices

Country Status (1)

Country Link
GB (1) GB191397A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3160720A (en) * 1961-07-14 1964-12-08 Electro Sound Corp Alarm system and switch means
US3317904A (en) * 1964-10-22 1967-05-02 Nathan S Clay Alarm systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3160720A (en) * 1961-07-14 1964-12-08 Electro Sound Corp Alarm system and switch means
US3317904A (en) * 1964-10-22 1967-05-02 Nathan S Clay Alarm systems

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