DE367268C - Electric alarm device arranged in the chain trap and triggered by the chain toggle against unauthorized door opening - Google Patents

Electric alarm device arranged in the chain trap and triggered by the chain toggle against unauthorized door opening

Info

Publication number
DE367268C
DE367268C DEA36891D DEA0036891D DE367268C DE 367268 C DE367268 C DE 367268C DE A36891 D DEA36891 D DE A36891D DE A0036891 D DEA0036891 D DE A0036891D DE 367268 C DE367268 C DE 367268C
Authority
DE
Germany
Prior art keywords
chain
triggered
alarm device
door opening
trap
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
DEA36891D
Other languages
German (de)
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
Publication date
Priority to DEA36891D priority Critical patent/DE367268C/en
Application granted granted Critical
Publication of DE367268C publication Critical patent/DE367268C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
    • H01H15/02—Details
    • H01H15/06—Movable parts; Contacts mounted thereon
    • H01H15/10—Operating parts
    • H01H15/102—Operating parts comprising cam devices

Landscapes

  • Burglar Alarm Systems (AREA)

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

Claims (1)

Patent-Anspruch:Patent claim: In der Kettenfalle angeordnete, durch den Kettenknebel ausgelöste elektrische Alarmvorrichtung gegen unbefugte Türöffnung, dadurch gekennzeichnet, daß die Gleitbahn des Kettenknebels (f) im Fallenschlitz (d) durch ein überwindbares Hindernis (g oder k) begrenzt ist, das den den elektrischen Kontakt enthaltenden rückwärtigen Teil der Gleitbahn abschließt und das vom Knebel bei unbefugtem öffnungsversuch der Tür überwunden wird.An electrical alarm device against unauthorized door opening, which is arranged in the chain trap and triggered by the chain toggle, characterized in that the sliding path of the chain toggle (f) in the trap slot (d) is limited by an obstacle (g or k) that can be overcome, the rearward one containing the electrical contact Part of the sliding track closes and which is overcome by the toggle in the event of an unauthorized attempt to open the door.
DEA36891D Electric alarm device arranged in the chain trap and triggered by the chain toggle against unauthorized door opening Expired DE367268C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEA36891D DE367268C (en) Electric alarm device arranged in the chain trap and triggered by the chain toggle against unauthorized door opening

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA36891D DE367268C (en) Electric alarm device arranged in the chain trap and triggered by the chain toggle against unauthorized door opening

Publications (1)

Publication Number Publication Date
DE367268C true DE367268C (en) 1923-01-19

Family

ID=6929901

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA36891D Expired DE367268C (en) Electric alarm device arranged in the chain trap and triggered by the chain toggle against unauthorized door opening

Country Status (1)

Country Link
DE (1) DE367268C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444546A (en) * 1966-07-28 1969-05-13 Gen Alarm Corp Protection system
US3569950A (en) * 1968-04-29 1971-03-09 Paul L Betz Lock-alarm combination
US5296841A (en) * 1992-09-21 1994-03-22 Alan Vormbrock Chain guard alarm apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444546A (en) * 1966-07-28 1969-05-13 Gen Alarm Corp Protection system
US3569950A (en) * 1968-04-29 1971-03-09 Paul L Betz Lock-alarm combination
US5296841A (en) * 1992-09-21 1994-03-22 Alan Vormbrock Chain guard alarm apparatus

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