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Expired
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Henry Charles Gover
Charles Faraday Proctor
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Arc-Extinguishing Devices That Are Switches
(AREA)
Abstract
16,304. Gover, H. C., and Proctor, C. F. July 9. Switches.-Tumbler switches are arranged to give a considerable distance between the conducting parts when the circuit is open. Figs. 2 and 3 show a two-way switch. The tumbler A has a toothed segment B gearing with a pinion on the spindle C which carries the contact-blades D. As shown, the circuit is broken, but on moving the tumbler A to the right or the left the blades are thrown over to engage with the fixed contacts T' or T<2>. A four-faced cam, embraced by a spring F, is fitted on the spindle C to hold the contact in either of the desired positions. Insulating blocks or protuberances may be fitted on the base between the contacts. One-way switches may also be arranged to be operated by a toothed tumbler engaging a pinion as above.
GB189716304D1897-07-091897-07-09Improvements in Electrical Tumbler Switches.
ExpiredGB189716304A
(en)