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US 7,605,338 B2Granted
Movable contact unit and switch using the same
AssigneePanasonic Corporation
InventorsMinoru Karaki, Masahiro Ito, Koji Tanabe, Hirotoshi Watanabe, Yousuke Chikahisa, Yasutaka Yamamoto
Life of this patent
Estimating the term…
Abstract
A movable contact unit includes a base sheet made of polyurethane resin, a domed movable contact made of thin metal sheet, and a pushing protrusion. The movable contact is held on a first face side of the base sheet. The pushing protrusion is formed on a second face of the base sheet at a place corresponding to a domed top of the movable contact.
Claims13
A movable contact unit comprising:
- a base sheet made of polyurethane resin, and including a first face and a second face opposite to the first face;
- a domed movable contact made of thin metal plate and held on the first face side of the base sheet;
- and
- a pushing protrusion formed on the second face of the base sheet at a position corresponding to a domed top of the movable contact.
1 more element
A switch comprising:
- a movable contact unit including:
- a base sheet made of polyurethane resin, and including a first face and a second face opposite to the first face;
- a domed movable contact made of thin metal plate and held on the first face side of the base sheet;
- and
- a pushing protrusion formed on the second face of the base sheet at a position corresponding to a domed top of the movable contact;
- and
- a board including a fixed contact,
- wherein the movable contact unit is stuck to the board at the first face side of the base sheet such that the movable contact of the movable contact unit confronts the fixed contact of the board.
5 more elements
Dependencies are inferred from the claim text.