Electricity: circuit makers and breakers – Electric switch details – Actuators
Reexamination Certificate
2009-02-06
2011-12-20
Girardi, Vanessa (Department: 2833)
Electricity: circuit makers and breakers
Electric switch details
Actuators
Reexamination Certificate
active
08080755
ABSTRACT:
A key structure and a keyboard including multiple key structures are provided. The key structure includes a keycap, a base plate and a scissors-type support member between the keycap and the base plate. The scissors-type support member includes an inner frame having a convex part and an outer frame having a V-shaped notch. The convex part is received in the V-shaped notch. By controlling relative positions between the convex part and the V-shaped notch, the keycap is stably moved in the vertical direction.
REFERENCES:
patent: 2007/0119696 (2007-05-01), Lu
patent: 2011/0073455 (2011-03-01), Cheng
Girardi Vanessa
Kirton & McConkie
Primax Electronics Ltd.
Witt Evan R.
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