FR420354A - Alarm device - Google Patents

Alarm device

Info

Publication number
FR420354A
FR420354A FR420354DA FR420354A FR 420354 A FR420354 A FR 420354A FR 420354D A FR420354D A FR 420354DA FR 420354 A FR420354 A FR 420354A
Authority
FR
France
Prior art keywords
alarm device
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
Other languages
French (fr)
Inventor
Theodor Franke
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
Application granted granted Critical
Publication of FR420354A publication Critical patent/FR420354A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
    • H01H3/161—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift for actuation by moving a closing member, e.g. door, cover or lid

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
FR420354D 1910-09-13 1910-09-13 Alarm device Expired FR420354A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR420354T 1910-09-13

Publications (1)

Publication Number Publication Date
FR420354A true FR420354A (en) 1911-01-28

Family

ID=1463500

Family Applications (1)

Application Number Title Priority Date Filing Date
FR420354D Expired FR420354A (en) 1910-09-13 1910-09-13 Alarm device

Country Status (1)

Country Link
FR (1) FR420354A (en)

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