Push switch
AssigneeAlps Electric Co., Ltd.
InventorJunichi Miyamoto
Life of this patent
Estimating the term…
Abstract
A push switch includes a base member including a depressed accommodating part, a fixed contact member provided and exposed in the accommodating part of the base member, a movable contact member installed in the accommodating part and including a dome part configured to be reversible to contact the fixed contact member, a sheet member installed to cover the accommodating part and hold the movable contact member, a pusher member installed between the top of the dome part and the sheet member, and a sheet-shaped reinforcing member formed of a material having a lower coefficient of thermal expansion than the sheet member. The reinforcing member is installed over the sheet member.
Claims6
A push switch comprising:
- a base member including a depressed accommodating part;
- a fixed contact member provided and exposed in the accommodating part of the base member;
- a movable contact member installed in the accommodating part and including a dome part configured to be reversible to contact the fixed contact member;
- a sheet member installed to cover the accommodating part and hold the movable contact member;
- a pusher member installed between a top of the dome part and the sheet member;
- and
- a sheet-shaped reinforcing member formed of a material having a lower coefficient of thermal expansion than the sheet member, the reinforcing member being installed over the sheet member.
Dependencies are inferred from the claim text.