Drive unit structure for keyboard assemblies

Details Drive unit structure for keyboard assemblies Drive unit structure for keyboard assemblies

1999-01-26

2000-06-13

Friedhofer, Michael

Electricity: circuit makers and breakers

Multiple circuit control

Sequential operations

200 5A, 200517, 200343, H01H 1370

Patent

active

060752130

ABSTRACT:
A drive unit structure for a keyboard assembly is provided, which comprises a driven member having a flat sliding surface and pivotable about a fulcrum thereof, and an actuator disposed for sliding contact with the flat sliding surface of the driven member to pivotally drive the driven member. The fulcrum of the driven member lies in a plane including the flat sliding surface of the driven member. As a result, the operations of the actuator and driven member can be stable, to thereby enhance the accuracy of transmission of the operation of the actuator to the driven member.

REFERENCES:
patent: 4480162 (1984-10-01), Greenwood
patent: 4613737 (1986-09-01), Nishijima
patent: 5062342 (1991-11-01), Nagatsuma
patent: 5481074 (1996-01-01), English
patent: 5505115 (1996-04-01), Vandervoort
AR Journal of Technical Disclosure, Disclosure No. 87-15816, Dec. 21, 1987.
AS Journal of Technical Disclosure, Disclosure No. 88-3914, Apr. 20, 1988.

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