GB534394A - Improvements in and relating to door operated electrical switches - Google Patents

Improvements in and relating to door operated electrical switches

Info

Publication number
GB534394A
GB534394A GB3468638A GB3468638A GB534394A GB 534394 A GB534394 A GB 534394A GB 3468638 A GB3468638 A GB 3468638A GB 3468638 A GB3468638 A GB 3468638A GB 534394 A GB534394 A GB 534394A
Authority
GB
United Kingdom
Prior art keywords
switch
door
relating
electrical switches
operated electrical
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
GB3468638A
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.)
Campbell & Isherwood Ltd
Original Assignee
Campbell & Isherwood Ltd
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 Campbell & Isherwood Ltd filed Critical Campbell & Isherwood Ltd
Priority to GB3468638A priority Critical patent/GB534394A/en
Publication of GB534394A publication Critical patent/GB534394A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H01H13/18—Operating parts, e.g. push-button 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. door switch, limit switch, floor-levelling switch of a lift
    • H01H13/183—Operating parts, e.g. push-button 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. door switch, limit switch, floor-levelling switch of a lift for actuation by moving a closing member, e.g. door, cover

Landscapes

  • Toys (AREA)

Abstract

534,394. Retractive switches. MEADE, T., and CAMPBELL & ISHERWOOD, Ltd. Oct. 18, 1939, No. 34686/38. [Class 38 (v)] A switch operated on opening a door to switch out lights in a room comprises a switch 8, actuated. by a pivoted or other member 9 spring-biassed to the " off " position, the switch mechanism being mounted on the detachable cover of a casing 3, attached to a door jamb &c. so that a plunger 6, bearing on the arm 9 is depressed when the door is shut. In a modification the inner switch is push-button operated.
GB3468638A 1939-10-18 1939-10-18 Improvements in and relating to door operated electrical switches Expired GB534394A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3468638A GB534394A (en) 1939-10-18 1939-10-18 Improvements in and relating to door operated electrical switches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3468638A GB534394A (en) 1939-10-18 1939-10-18 Improvements in and relating to door operated electrical switches

Publications (1)

Publication Number Publication Date
GB534394A true GB534394A (en) 1941-03-06

Family

ID=10368703

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3468638A Expired GB534394A (en) 1939-10-18 1939-10-18 Improvements in and relating to door operated electrical switches

Country Status (1)

Country Link
GB (1) GB534394A (en)

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