Alpha Corporation

Tokyo Parts Industrial Co., Ltd.

Toshiyuki Muto

Takahisa Kitahara

Kenji Mizushima

A push switch is provided with a button (), a switch board (), a switch () provided on the switch board (), and a switch cover () disposed in the button () and covering the switch (). A corner portion () between a side wall () and a upper wall () of the switch cover () is formed in a curved shape. A protruding pressing portion () of the button () is inserted into a through hole () provided on an upper wall () of the switch cover (). A lower surface of the pressing portion () faces an operating portion () of the switch ().

Push switch

A push switch () includes an internal button (), an external button (), a switch () disposed inside the internal button (), a casing () fixed to a side wall () of the internal button (), an inner collar portion () provided in the casing () and engaged with a groove portion () of the internal button (), an overhanging portion () formed in the external button (), and an outer collar portion () formed in the internal button () and located between the overhanging portion () and the inner collar portion () so as to define apart of the groove portion (). The overhanging portion () is disposed separately from the outer collar portion () by a gap. The overhanging portion () abuts against the outer collar portion () when the external button () is pushed to elastically deform the internal button () to thereby turn on the switch ().

Growing community of inventors

Isesaki, Japan

Toshiyuki Muto