BigPatents India

This invention relates to a circuit interrupter which comprises an operating mechanism (38) interconnected with separable main contacts (52, 56) within a housing (15), said operating mechanism (38) having a cradle (72) for rotating from a first position to a second position in the event of a tripping operation. Cradle (72) having an aperture (390) with a smaller cutout portion (392) adjacent to and opening into a larger cutout portion (394) along with a pivot pin (82), also disposed within the housing (15), which has a cross-sectional diameter sized to enable said pin (82) to be inserted through said larger cutout portion (394) and slid into seated engagement with said smaller cutout portion (392) and in that the operating mechanism (38) comprises a spring applying a spring force upon the cradle (72) in a longitudinal direction which force tends to maintain the seating of the pivot pin in the smaller cutout portion (392). (FIG. – 30a)