Electric key switch with key sensing and ejection

Electricity: circuit makers and breakers – Special application – Actuated concurrently with operation or use of art device

Reexamination Certificate

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Details

C200S061680

Reexamination Certificate

active

06969810

ABSTRACT:
An electrical key switch provides a sensing of inserted keys and an ejector mechanism preventing parking of the key in a partially inserted position within the key switch.

REFERENCES:
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patent: 5177466 (1993-01-01), Lai
patent: 5208579 (1993-05-01), Tseng
patent: 5266923 (1993-11-01), Tseng
patent: 6133648 (2000-10-01), Titus et al.
patent: 2261695 (1993-05-01), None
patent: 602399984 (1985-11-01), None

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