Snap disk type switch

Details Snap disk type switch Snap disk type switch

1992-04-14

1994-03-29

Luebke, Renee S.

Electricity: circuit makers and breakers

Solid contact

Membrane type

H01H 1326

Patent

active

052987051

ABSTRACT:
A pushbutton switch having a frustoconical switch cap of plastic, which acts as a restoring element, is proposed, which switch cap permits a very exact switching operation in comparison with known switch caps of rubber or silicone. In order to achieve optimum switching characteristics with defined switching displacements and forces, a thermoplastic elastomer is used which, as a block copolymer, has special properties regarding the flexibility of the switch cap. In this case, the material selection and dimensions of the switch cap determine the special properties of the pushbutton switch.

REFERENCES:
patent: 4604509 (1986-08-01), Clancy et al.
patent: 4839474 (1989-06-01), Hayes-Pankhurst et al.
patent: 4851626 (1989-07-01), Nagashima
patent: 5011728 (1991-04-01), Imae et al.
patent: 5118909 (1992-06-01), Husting

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