GB1076847A - Improvements in or relating to electrical switches - Google Patents

Improvements in or relating to electrical switches

Info

Publication number
GB1076847A
GB1076847A GB4641563A GB4641563A GB1076847A GB 1076847 A GB1076847 A GB 1076847A GB 4641563 A GB4641563 A GB 4641563A GB 4641563 A GB4641563 A GB 4641563A GB 1076847 A GB1076847 A GB 1076847A
Authority
GB
United Kingdom
Prior art keywords
switch
switches
lift
operating lever
nov
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
GB4641563A
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.)
Dewhurst and Partner PLC
Original Assignee
Dewhurst and Partner PLC
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 Dewhurst and Partner PLC filed Critical Dewhurst and Partner PLC
Priority to GB4641563A priority Critical patent/GB1076847A/en
Publication of GB1076847A publication Critical patent/GB1076847A/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

Landscapes

  • Switches With Compound Operations (AREA)
  • Mechanisms For Operating Contacts (AREA)

Abstract

1,076,847. Switches held set and freed mechanically. DEWHURST & PARTNER Ltd., and N. TURNER. Nov. 25, 1964 [Nov. 25, 1963], No. 46415/63. Heading H2B. A switch assembly, for operation by a lift, for example, to indicate whether the lift is at, above or below a given position, comprises three pushbutton switches mounted side-by-side on a base-plate with a rocker member overlying the buttons of all three switches and an operating lever pivoted on the base-plate such that one end is slidable over the rocker member to urge it to depress the button of each respective outer switch when positioned thereover and all three buttons when positioned over the middle switch. The two outer switches are of normally closed construction and the middle switch is of normally open construction so that in each of the three positions of the operating lever only one switch is closed. Instead of being rotatable the operating lever may be translatable, for example, carried by the lift or other prime mover.
GB4641563A 1963-11-25 1963-11-25 Improvements in or relating to electrical switches Expired GB1076847A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4641563A GB1076847A (en) 1963-11-25 1963-11-25 Improvements in or relating to electrical switches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4641563A GB1076847A (en) 1963-11-25 1963-11-25 Improvements in or relating to electrical switches

Publications (1)

Publication Number Publication Date
GB1076847A true GB1076847A (en) 1967-07-26

Family

ID=10441178

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4641563A Expired GB1076847A (en) 1963-11-25 1963-11-25 Improvements in or relating to electrical switches

Country Status (1)

Country Link
GB (1) GB1076847A (en)

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