TWI616916B

The invention provides a key switch and a movable contact member having advantages of good touch feeling and good electric conduction stability. The key switch 1 comprises a housing 30, which is provided with an accommodation part 31; a first fixed contact part 21, which is exposed from the accommod...

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Bibliographic Details
Main Authors HANAWA, NAOKI, SADAMATSU, IZURU
Format Patent
LanguageChinese
Published 01.03.2018
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Summary:The invention provides a key switch and a movable contact member having advantages of good touch feeling and good electric conduction stability. The key switch 1 comprises a housing 30, which is provided with an accommodation part 31; a first fixed contact part 21, which is exposed from the accommodation bottom surface 31a of the accommodation part; and the movable contact member 10, which is provided with a dome part 10 protruded in the shape of a dome, and is disposed on the accommodation part, and can be separated from the contact with the first fixed contact part along with the reverse rotation motion of the dome part. The movable contact member is provided with a contact part 10f, which is protruded toward the inner side of the dome part from the periphery of the top part of the dome part, and is in the shape of a suspension arm tongue piece. At least one of a contact part and the first fixed contact part is provided with a first protrusion part 11 protruded toward the other side, and by using the first
Bibliography:Application Number: TW20160123588