Patent ID: 6433659
Filing Date: 2002-08-13
Classification: H01H

Abstract:
An adjustable plunger assembly support structure for a magnetic trip device for a molded case circuit breaker, said trip device comprising:a base member assembly; a movable plunger carriage disposed adjacent to said base member assembly; a cam assembly; said cam assembly having a cam member body with a plurality of sections, each said section having a different constant radius for selective engagement and positioning of said plunger carriage by said sections; wherein said body is generally circular in shape; said body includes a minimum radius section having a first side and a second side and a maximum radius section adjacent to said minimum radius section first side; said plurality of sections are disposed about said body between said minimum radius section second side and said maximum radius section; wherein said sections between said minimum radius section second side and said maximum radius section increase in radius; wherein said plunger carriage includes a cam follower contacting said cam sections; and wherein said base member assembly includes a cam cradle.