Rotary selector switch
AssigneeWestinghouse Electric Corp.
InventorsJohn H. Mullen, Glenn R. Taylor
Life of this patent
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Abstract
A rotary selector switch characterized by a rotatable switch actuating unit and two switch structures, the actuating unit having a shaft with multiple sides on which a cam is detachably mounted for operation in a plurality of modes to operate the switch structures in different combinations of open and closed conditions, whereby a single cam mounted on the shaft in different positions is useful to operate the switch structures in a plurality of switch combinations.
Claims7
A rotary selector switch comprising a rotatable actuating unit and two switch structures, a housing, the rotatable unit in the housing and comprising a rotatable selector mechanism, said mechanism comprising a detachably mounted cam, means limiting rotation of the cam to about 180.degree., each switch structure having a reciprocable contact operating member to effect opening and closing of a circuit through the switch structure, the mechanism and the cam having mutually inter-fitting means to enable removal and repositioning of the cam in an alternate mode of operation with respect to the contact operating members, the cam having camoperating surface means for actuating the contact operating members and comprising a number of operating positions for the operating members including in sequence two adjacent up positions, two adjacent down positions, a single down position, and a single up position.
Dependencies are inferred from the claim text.