Miniature electrical switch

Details Miniature electrical switch Miniature electrical switch

1999-07-28

2000-01-11

Friedhofer, Michael

Electricity: circuit makers and breakers

Electric switch details

Contact

200 6R, 200283, H01H 926, H01H 1900, H01H 126

Patent

active

060138831

ABSTRACT:
A miniature electrical switch that can be mounted on a circuit board, includes a dielectric housing (12) with a forwardly-opening cavity (26), a first contact (16) lying primarily within the cavity, and a second contact (14) lying outside the cavity and engaging the first contact except when the first contact is depressed. The second contact is of largely U-shape, with a middle (64) and lower section (52) in a fixed position and with an upper section (60) that can resiliently bend. The second contact is a thicker plate of sheet metal with a top section (28) that forms the top of the cavity front and which has a front edge (30) which engages a contacting part (66) at the front of the first contact upper section. The second contact is mounted to lie on the outside of the housing.

REFERENCES:
patent: 4743723 (1988-05-01), Seabeck
patent: 5007851 (1991-04-01), Matsumoto
patent: 5262601 (1993-11-01), Leopold
patent: 5380966 (1995-01-01), Liu
patent: 5811744 (1998-09-01), Bartha

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