GB532637A - Improvements relating to electric switches actuated by doors - Google Patents

Improvements relating to electric switches actuated by doors

Info

Publication number
GB532637A
GB532637A GB2600339A GB2600339A GB532637A GB 532637 A GB532637 A GB 532637A GB 2600339 A GB2600339 A GB 2600339A GB 2600339 A GB2600339 A GB 2600339A GB 532637 A GB532637 A GB 532637A
Authority
GB
United Kingdom
Prior art keywords
door
strip
contacts
doors
strips
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
GB2600339A
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.)
HAROLD ERNEST FLORY
Original Assignee
HAROLD ERNEST FLORY
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 HAROLD ERNEST FLORY filed Critical HAROLD ERNEST FLORY
Priority to GB2600339A priority Critical patent/GB532637A/en
Publication of GB532637A publication Critical patent/GB532637A/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)
  • Push-Button Switches (AREA)

Abstract

532,637. Retractive switches. FLORY, H. E. Sept. 16, 1939, No. 26003. [Class 38 (v)] A door-operated switch, suitable for black-out conditions, comprises a body a secured directly or, as shown, by parallel metal or other strips b, to the door-frame and operated by a thin metal or other strip g having a turned-up end o against which the door bears. A blade spring n bearing against the end o and against similar ends p of strips b, restores the strip g when the door is opened. The strip g carries an insulating-plate k carrying a contact j adapted to bridge contacts h on the body when the door is closed. A further pair of contacts i may be bridged in the open position of the door and may operate a pilot lamp or bell. Other dispositions of contacts are, however, referred to. The Provisional Specification refers also to a helical spring.
GB2600339A 1939-09-16 1939-09-16 Improvements relating to electric switches actuated by doors Expired GB532637A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2600339A GB532637A (en) 1939-09-16 1939-09-16 Improvements relating to electric switches actuated by doors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2600339A GB532637A (en) 1939-09-16 1939-09-16 Improvements relating to electric switches actuated by doors

Publications (1)

Publication Number Publication Date
GB532637A true GB532637A (en) 1941-01-28

Family

ID=10236807

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2600339A Expired GB532637A (en) 1939-09-16 1939-09-16 Improvements relating to electric switches actuated by doors

Country Status (1)

Country Link
GB (1) GB532637A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2866980A1 (en) * 2004-02-27 2005-09-02 Dominique Prudhomme Electric safety device for e.g. garage door lock, has circuit breaker with shunt composed of metal plate, and electrical contacts that are retracted or moved when door is in open and closed positions, respectively

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2866980A1 (en) * 2004-02-27 2005-09-02 Dominique Prudhomme Electric safety device for e.g. garage door lock, has circuit breaker with shunt composed of metal plate, and electrical contacts that are retracted or moved when door is in open and closed positions, respectively

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