H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/302.5
H01H 3/14 (2006.01) B60T 7/04 (2006.01) H01H 13/16 (2006.01) H01H 3/02 (2006.01) H01H 15/10 (2006.01) G05G 1/16 (2006.01)
Patent
CA 1181790
Abstract A switching assembly is disclosed for mounting on the face of a pedal to effect switching when said pedal is pressed comprising a generally flat base adapted for attachment to a pedal, a plurality of movable switching elements supported ultimately on the base, each of the switching elements arranged to assume a plurality of positions to implement distinct switch set- tings. The assembly includes a generally flat shaped actuator supported on the base and constrained to move backward and forward with a single degree of freedom in a plane parallel to the pedal face. The actuator has actuating means arranged for moving the movable switching elements as the actuator moves forward, and a cam surface positioned and arranged so that pressing thereon urges the actuator to move forward. A resilient element is arranged to urge the actuator backwards and a generally flat pressure member is supported on the base in a manner permitting motion of the pressure member toward and away from the pedal face while constraining motion parallel to the pedal. The pressure member is adapted for receiving control pressure applied by an opera- tor to the pedal and has cam surface positioned and arranged so that when control pressure is applied to the pressure member by an operator the pressure member cam surface presses on the actuator cam surface to urge the actuator forward. The cam surface extends to areas close to the periphery of the pressure member so that the cam action is effective irrespective of the area of the pressure member pressed by an operator. The pressure member is loosely supported on the base to permit motion of the pressure member toward the pedal without binding irrespective of the area pressed by an operator. The switching assembly is effective in changing switch settings of the switching elements in a well defined predetermined order as the pedal is pressed irrespective of the point of application of control pressure on the pressure member.
418873
Ark-Les Corporation
Smart & Biggar
LandOfFree
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