Rotary selector switch

Details Rotary selector switch Rotary selector switch

H - Electricity

01

H

306/301

H01H 19/00 (2006.01) H01H 1/58 (2006.01) H01H 19/62 (2006.01)

Patent

CA 1219299

ROTARY SELECTOR SWITCH ABSTRACT OF THE DISCLOSURE A multicircuit rotary selector switch having no external terminals is disclosed. A two-part interlocking housing journals a user-rotatable shaft carrying a stack of coaxially oriented, multilobed cam discs, each disc defining a tier level within the housing. Engageable with each disc and lying in its tier level is a pair of elongated movable switching elements each having a wire gripping end portion, a moving contact end portion, and an intermediate cam follower portion riding the lobes of its associated cam disc, each movable switching element being configured as a third class lever. One or more fixed switching elements, each including a contact portion and a wire gripping portion, are located adjacent the contact end portions of each of the moving switching elements. Portions of the fixed and movable switching elements are sandwiched between the two parts of the housing to maintain them in proper position relative to each other and to the cam disc stack.

436380

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