Patent ID: 6870115

Claim:
A circuit breaker comprising: a case including an opening; separable contacts housed within said case; an operating mechanism for opening and closing said separable contacts, said operating mechanism including a pivot and at least one extension spring for moving said operating mechanism to close said separable contacts; an operating handle for operating sold operating mechanism, said operating handle including a first portion extending through the opening of said case and a second portion within said case, said at bast one extension spring extending between said second portion and said pivot; and wherein said operating mechanism further includes a movable contact arm, a first link and a second fink, said first link having a first end and a second end, said first link being pivotally mounted to said pivot at the first end of said first link and being pivotally mounted to said second link at the second end of said first link, said second link having a first end and a second end, said second link being pivotally mounted to the second end of said first link at the first end of said second link and being pivotally mounted to said movable contact arm at the second end of said second link.