Key structure

Details Key structure Key structure

2011-06-21

2011-06-21

Leon, Edwin A. (Department: 2833)

Electricity: circuit makers and breakers

Electric switch details

Actuators

Reexamination Certificate

active

07964813

ABSTRACT:
A key structure has a fixing base. The fixing base includes a fixing board, and a plurality of platforms extending upwards from a top of the fixing board and spaced away from each other. Each of the platforms is formed with a restraining hole at a top thereof. A resilient assembly adhered onto the fixing board has a resilient portion which is placed among the platforms. A key cap is resiliently supported by the resilient portion to suspend above the fixing base, and has a plurality of guiding rods extending downwards from a bottom thereof and movably inserted into the corresponding restraining holes for guiding the key cap to move upwards and downwards with respect to the fixing base.

REFERENCES:
patent: 6137071 (2000-10-01), Yeh et al.
patent: 6242705 (2001-06-01), Huang
patent: 2010/0300857 (2010-12-01), Cheng et al.
patent: 2010/0314231 (2010-12-01), Ting et al.

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