GB145293A - Improvements in or relating to switches for use in electric lighting systems - Google Patents

Improvements in or relating to switches for use in electric lighting systems

Info

Publication number
GB145293A
GB145293A GB1923619A GB1923619A GB145293A GB 145293 A GB145293 A GB 145293A GB 1923619 A GB1923619 A GB 1923619A GB 1923619 A GB1923619 A GB 1923619A GB 145293 A GB145293 A GB 145293A
Authority
GB
United Kingdom
Prior art keywords
switch
closed
pin
open
lamp
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
GB1923619A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1923619A priority Critical patent/GB145293A/en
Publication of GB145293A publication Critical patent/GB145293A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/02—Non-polarised relays
    • H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
    • H01H51/06—Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
    • H01H51/08—Contacts alternately opened and closed by successive cycles of energisation and de-energisation of the electromagnet, e.g. by use of a ratchet
    • H01H51/082—Contacts alternately opened and closed by successive cycles of energisation and de-energisation of the electromagnet, e.g. by use of a ratchet using rotating ratchet mechanism
    • H01H51/084—Contacts alternately opened and closed by successive cycles of energisation and de-energisation of the electromagnet, e.g. by use of a ratchet using rotating ratchet mechanism with axial ratchet elements

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Tumbler Switches (AREA)

Abstract

145,293. Wescott, D. E. Aug. 5, 1919. Lighting systems.-A switch in an arc lamp or constant current circuit is used to control the supply through a transformer to a number of auxiliary incandescent lamp circuits which can be extinguished separately. The switch 8 is in the main arc-lamp circuit, which also contains two electro-magnets 9. 14 for the primary and secondary of the transformer. The secondary is divided, the separate lamp circuits being connected to the parts. With both switches 9, 14 closed all the circuits are under supply; with the switch 9 only closed, only a part of the auxiliary lamp circuits are energized. To enable the switch 9 to be closed, when the switch 14 is open, the latter has a rod 25 suspended from the movable contact member 16; this rod carries a cross-pin 27 which enters either deep or shallow notches in a ring 31. When in the shallow notch the switch cannot close, although the electro-magnet is energized by closing the switch 8. To move the cross-pin round from a deep to a shallow notch and vice versa the switch 8 is opened momentarily. The pin in dropping falls on inclined teeth 42 in a second ring 30 and moves round; when the switch 8 is closed again the contact in rising brings the cross-pin into the next notch and so holds the switch open or allows it to close according as to whether it was previously closed or open. When the switch 8 is left open all the lamps are extinguished. Specification 145,200 is referred to.
GB1923619A 1919-08-05 1919-08-05 Improvements in or relating to switches for use in electric lighting systems Expired GB145293A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1923619A GB145293A (en) 1919-08-05 1919-08-05 Improvements in or relating to switches for use in electric lighting systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1923619A GB145293A (en) 1919-08-05 1919-08-05 Improvements in or relating to switches for use in electric lighting systems

Publications (1)

Publication Number Publication Date
GB145293A true GB145293A (en) 1920-07-02

Family

ID=10125962

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1923619A Expired GB145293A (en) 1919-08-05 1919-08-05 Improvements in or relating to switches for use in electric lighting systems

Country Status (1)

Country Link
GB (1) GB145293A (en)

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