Watertight key unit for an electronic device

Details Watertight key unit for an electronic device Watertight key unit for an electronic device

2005-10-18

2005-10-18

Friedhofer, Michael A. (Department: 2832)

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

C200S302100

Reexamination Certificate

active

06956180

ABSTRACT:
A watertight key unit includes a key and an elastic sealing part. The key is mounted on a key-mounting wall, extends through a key-inserting hole in the key-mounting wall, and has a peripheral wall. The sealing part extends from a lower end of the peripheral wall of the key, has a peripheral wall that surrounds the peripheral wall of the key, and cooperates with the peripheral wall of the key to define a spacing groove therebetween. The peripheral wall of the sealing part is surrounded by and abuts elastically and sealingly against a hole-defining wall of the key-inserting hole.

REFERENCES:
patent: 6448957 (2002-09-01), Chia-Hung
patent: 6626473 (2003-09-01), Klein et al.
patent: 6710273 (2004-03-01), Skarlupka et al.
patent: 6771992 (2004-08-01), Tomura et al.
patent: 6777632 (2004-08-01), Tamaki et al.
patent: 6869240 (2005-03-01), Ito

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