Circuit interrupter including low friction latch

Details Circuit interrupter including low friction latch Circuit interrupter including low friction latch

H - Electricity

01

H

306/327

H01H 71/12 (2006.01) H01H 71/50 (2006.01) H01H 73/04 (2006.01)

Patent

CA 1077552

CIRCUIT INTERRUPTER INCLUDING LOW FRICTION LATCH ABSTRACT OF THE DISCLOSURE A circuit interrupter including a releasable latch restrained by a stamped metal rotatable cam having a latching surface in sliding contact with the latch member. The rotatable cam is inclined at an angle to the axis of rotation so as to cause only the smooth portion of the latching surface produced by the shearing action of the stamping process to contact the latch member. The rough portion of the latching surface produced by tearing action of the stamping process is not in contact with the latch member, thereby eliminating the need for a machining operation to provide a low friction contact surface with the latch member.

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