GB301318A - Mechanical bell ringing theft and burglary alarm - Google Patents

Mechanical bell ringing theft and burglary alarm

Info

Publication number
GB301318A
GB301318A GB34719/28A GB3471928A GB301318A GB 301318 A GB301318 A GB 301318A GB 34719/28 A GB34719/28 A GB 34719/28A GB 3471928 A GB3471928 A GB 3471928A GB 301318 A GB301318 A GB 301318A
Authority
GB
United Kingdom
Prior art keywords
theft
door
mechanical bell
bell ringing
burglary alarm
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
GB34719/28A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB301318A publication Critical patent/GB301318A/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
    • G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
    • G08B13/126—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a housing, e.g. a box, a safe, or a room

Landscapes

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

Abstract

301,318. Caron, O. Nov. 24, 1927, [Con. vention date]. Burglar and like alarms. -The hammer m of a mechanical bell is released when a door c or other closure is opened, the movement of the door setting free the tongue e of a bent spring l carrying a stop g, which when the door is closed holds the hammer fast. The alarm may be put out of operation by turning a lever h so that its lower eccentric portion holds the spring l in the depressed position.
GB34719/28A 1927-11-24 1928-11-26 Mechanical bell ringing theft and burglary alarm Expired GB301318A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR301318X 1927-11-24

Publications (1)

Publication Number Publication Date
GB301318A true GB301318A (en) 1929-06-13

Family

ID=8888517

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34719/28A Expired GB301318A (en) 1927-11-24 1928-11-26 Mechanical bell ringing theft and burglary alarm

Country Status (1)

Country Link
GB (1) GB301318A (en)

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