Key structure applicable in an electronic device

Details Key structure applicable in an electronic device Key structure applicable in an electronic device

2007-11-13

2007-11-13

Friedhofer, Michael A (Department: 2832)

Electricity: circuit makers and breakers

Helical drive mechanism

C200S0050EA

Reexamination Certificate

active

11395753

ABSTRACT:
A key structure applicable in an electronic device for pressing an electrical button of the electronic device is disclosed. The key structure includes an annulus section for fixing the key structure in the electronic device, and a pair of key sections, each of which extends from the annulus section and has a protruding section and a retention section, wherein the protruding section protrudes out of an inner wall of the key section to prevent the key section from sinking, and the retention section extends from at least one side of the key section to prevent the key section from protruding upwards. With each key section being additionally provided with the protruding section and the retention section, the key structure efficiently prevents the key sections from protruding upwards and sinking.

REFERENCES:
patent: 5569889 (1996-10-01), Bruner
patent: 6219038 (2001-04-01), Cho
patent: 6812862 (2004-11-01), Dempsey
patent: 7172303 (2007-02-01), Shipman et al.

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