Drive device for travel assembly

Details Drive device for travel assembly Drive device for travel assembly

1986-12-19

1988-09-13

Braun, Fred L.

Photocopying

Including fiber optics

355 3R, G03G 1504, G03G 2100

Patent

active

047713151

ABSTRACT:
A drive device for a travel assembly for use in an optical system of an image read scanner, a printer head, etc. The drive device includes a wire rope for driving the travel assembly at each side thereof, one end of each wire rope being fastened to the travel assembly through a spring and a one-way clutch. This one-way clutch is so designed that it cannot rotate when the wire rope is tight for driving the travel assembly, which results in no fluctuation in motion of the travel assembly caused by an elongation or contraction of the spring. The one-way clutch can rotate for permitting the spring to absorb the aforesaid elongation or sagging of the wire rope only while the travel assembly is at rest.

REFERENCES:
patent: 3918806 (1975-11-01), Cook
patent: 4155641 (1979-05-01), Sagara et al.
patent: 4171901 (1979-10-01), Takizawa et al.
patent: 4218127 (1980-08-01), Costanza et al.
patent: 4355883 (1982-10-01), Landa
patent: 4460268 (1984-07-01), Forrester

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