GB514922A - Improvements in and relating to indicators for the rotary handles or adjusting members of thermostatic and other electric switches - Google Patents

Improvements in and relating to indicators for the rotary handles or adjusting members of thermostatic and other electric switches

Info

Publication number
GB514922A
GB514922A GB1498938A GB1498938A GB514922A GB 514922 A GB514922 A GB 514922A GB 1498938 A GB1498938 A GB 1498938A GB 1498938 A GB1498938 A GB 1498938A GB 514922 A GB514922 A GB 514922A
Authority
GB
United Kingdom
Prior art keywords
indicators
thermostatic
relating
adjusting members
electric switches
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
GB1498938A
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.)
CHARLES ALBERT TURNER
DIAMOND H SWITCHES Ltd
Original Assignee
CHARLES ALBERT TURNER
DIAMOND H SWITCHES 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 CHARLES ALBERT TURNER, DIAMOND H SWITCHES Ltd filed Critical CHARLES ALBERT TURNER
Priority to GB1498938A priority Critical patent/GB514922A/en
Publication of GB514922A publication Critical patent/GB514922A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G05G1/10—Details, e.g. of discs, knobs, wheels or handles
    • G05G1/12—Means for securing the members on rotatable spindles or the like
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G05G1/10—Details, e.g. of discs, knobs, wheels or handles
    • G05G1/105—Details, e.g. of discs, knobs, wheels or handles comprising arrangements for illumination
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/025—Light-emitting indicators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Abstract

514,922. Indicators. TURNER, C. A., and DIAMOND H SWITCHES, Ltd. May 19, 1938, No. 14989. Drawings to Specification. [Class 38 (v)] A rotary switch with a handle at the front and contacts at the back of a panel has an indicating lamp which is offset from the switch axis and is in a canopy located between the handle and the panel-front. The lamp illuminates position vents on the handle. Specification 481,296 is referred to.
GB1498938A 1938-05-19 1938-05-19 Improvements in and relating to indicators for the rotary handles or adjusting members of thermostatic and other electric switches Expired GB514922A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1498938A GB514922A (en) 1938-05-19 1938-05-19 Improvements in and relating to indicators for the rotary handles or adjusting members of thermostatic and other electric switches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1498938A GB514922A (en) 1938-05-19 1938-05-19 Improvements in and relating to indicators for the rotary handles or adjusting members of thermostatic and other electric switches

Publications (1)

Publication Number Publication Date
GB514922A true GB514922A (en) 1939-11-21

Family

ID=10051104

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1498938A Expired GB514922A (en) 1938-05-19 1938-05-19 Improvements in and relating to indicators for the rotary handles or adjusting members of thermostatic and other electric switches

Country Status (1)

Country Link
GB (1) GB514922A (en)

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