Lock off-lock on

Claim 1

A lock off-lock on for a handle of an electrical circuit breaker, the circuit breaker including a housing comprising a case of suitable insulating material having a slot formed therein including defined opposing edges and an insulative cover for engaging said case, said handle being manually movable and pivotally mounted within said case and extending outwardly from said slot with a dependent arcuate portion of said handle in proximal relationship with the interior of said slot, said handle being adapted for reciprocation about a partial arcuate path between "on" and "off" positions, said handle being adapted to have an opening therethrough in a direction perpendicular to said path, said lock off lock on comprising a unitary member formed from a metallic sheet comprising a first handle engaging portion adapted to be inserted into said opening of said handle; a second handle engaging portion, joined to said first portion by a bight to form a U-shaped structure, for engagement with a surface of said handle which is in exposed adjacency to said dependent arcuate portion; flat spring means coupled to a part of one side of said second portion by an angular bend so that said flat spring means is engageable with said dependent arcuate portion and in abutting relation with said case at one of said edges of said slot; and a flange, coupled to said flat spring means proximal to said bight, bent outwardly away from said housing so as to facilitate manual removal of said lock off-lock on from said handle.