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Expired
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Frederick Nunns
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Individual
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Individual
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Publication of GB189807798ApublicationCriticalpatent/GB189807798A/en
Rotary Switch, Piano Key Switch, And Lever Switch
(AREA)
Abstract
7798. Nunns, F. April 1. Switches.- The contact - bar m is carried by a block of ebonite j centrally pivoted and provided with an upwardly - projecting pin i. The tumblerf is slotted at the bottom and engages with the pin i, so rocking the block and making or breaking c o ntact, a quick break being given by a spring r. The contact - lever m is divided and engages with slotted fixed contacts o, p. The Provisional Specification states that the block is fixed to the cover and operates the contact-arm when the cover is rotated.