Electricity: circuit makers and breakers – Electric switch details – Actuators
Patent
1983-08-03
1984-06-05
Shepperd, John W.
Electricity: circuit makers and breakers
Electric switch details
Actuators
H01H 312
Patent
active
044530633
ABSTRACT:
A key cap and switch are provided for an electronic keyboard apparatus such as an electronic typewriter, a computer, or other data input apparatus. A torque rod is provided which is mounted pivotally directly on the switch and interconnects by sliding and pivoting connection with opposite ends of the key top, and thus to prevent tipping of the key top if an off center depressing force is applied thereto. Since the torque rod is mounted on the switch and interconnects with the key top it can be preassembled with these parts and need not be assembled with the switch mounting panel or any other fixed parts of the apparatus.
REFERENCES:
patent: 3292761 (1966-12-01), Erpel
patent: 4392037 (1983-07-01), Fleming
Harris, Self-Biasing Space Bar Stabilizer Mechanism, Feb. 1979, pp. 3725-3726.
Boma Dennis G.
Wanatowicz, Jr. Edward W.
Buckman Thomas W.
Illinois Tool Works Inc.
Kidorf Renee S.
Mondul Donald D.
Shepperd John W.
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