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
Inventor
William Cullen Horne
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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of GB191300764ApublicationCriticalpatent/GB191300764A/en
H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
H01H9/185—Fluorescent or phosphorescent symbols or distinguishing marks
Landscapes
Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices
(AREA)
Abstract
764. Horne, W. C. Jan. 10. Indicators.-The position of an electric switch is indicated in the dark by means of a glass tube C filled with luminous powder and arranged to surround the switch base, being held in place by a stepped part D on the base; or an underplate may be placed inside the ring and the switch mounted on this plate. The ring may be made in segments united by wire. In a modification, the ring is held by stud-like pro. jections on the base.
GB191300764D1913-01-101913-01-10Improvements in Electrical Switches.
ExpiredGB191300764A
(en)
Improvements in or relating to the Covers or Protectors of Electric Switches, or other Electrical Parts or Members, and to the Manufacture of the same.