Push switch
AssigneeAlps Alpine Co., Ltd.
InventorHidetaka SATO
Life of this patent
Estimating the term…
Abstract
A push switch includes a case having a recess with an open upper portion and a fixed contact inside the recess, a dome shaped movable contact member formed of a metal plate and accommodated inside the recess of the case, and an operation member configured to press the movable contact member, to cause an inversion operation of the movable contact member. The movable contact member has a sidecut shape having both sides of a circular shape forming a pair of linear portions in a top view, and a sidecut ratio represented by (B/A)×100 within a range of 40% to 70%, where A denotes a diameter of the circular shape, and B denotes a distance between the pair of linear portions.
Claims10
A push switch comprising:
- a case having a recess with an open upper portion, and a fixed contact inside the recess;
- a dome shaped movable contact member, formed of a metal plate and accommodated inside the recess of the case;
- and
- an operation member configured to press the movable contact member, to cause an inversion operation of the movable contact member,
- wherein the movable contact member has a sidecut shape having both sides of a circular shape forming a pair of linear portions in a top view, and a sidecut ratio represented by (B/A)×100 within a range of 40% to 70%, where A denotes a diameter of the circular shape, and B denotes a distance between the pair of linear portions.
Dependencies are inferred from the claim text.