Patent ID: 6720508
Filing Date: 2004-04-13
Classification: H01H,Y10T

Abstract:
A switch comprising:a main case including a switching mechanism subjected to a biasing force; a head case attached to said main case and containing an operating mechanism for said switching mechanism, said switching mechanism and said operating mechanism being correlated such that said switching means is kept in a first switched condition by opposing against said biasing force when no external operation is being effected on said operating mechanism and that said switching mechanism is displaced by said biasing force to be in a second switched condition when an external operation is effected on said operating mechanism; and a forcing means included in said main case for setting said switching mechanism in said first switched condition by a forced displacement operation on said switching mechanism, said forcing means being released from said force displacement operation when said head case is properly connected to said main case, said forcing means carrying out said forced displacement operation when said head case is not properly connected to said main case.