Push switch

A push switch comprising:

• a case having an upper surface having an opening provided therein;
• an operating body accommodated in the case to be movable reciprocatably in a forward direction and a rearward direction along the upper surface of the case, the operating body including
• a lock cam part formed on an upper surface of a rear portion of the operating body, the lock cam part including a cam part and a cam groove provided around the cam part, and
• an operating part formed at a front portion of the operating body;
• a coil spring accommodated in an accommodation part between the case and a rear end of the operating body, the coil spring urging the operating body in the forward direction;
• a stopper having one end engaged with the case to be fixed and another end contacting the lock cam part;
• a switch contactor contacts and is released as the operating body moves;
• and
• a restriction part provide in a front portion of the case, wherein
• the push switch is maintained in either a locked state in which the another end of the stopper is engaged with the lock cam part to hold the operating body at a locked position by pressing the operating part in the rearward direction, or in a released state in which the operating part most forwardly projects from the case to hold the operating body at a released position,
• the operation body further includes a release-holding part with which the another end of the stopper is engaged so as to hold the operating body at the released position is provided in the cam groove located in a rear portion of the lock cam part,
• the restriction part restricts the operating body to move in the forward direction to provide a gap with a predetermined interval between the operating body and the restriction part in the forward direction and the rearward direction when the operating body is located at the released position.