Device for controlling a reverse time of a manuscript carriage,

Details Device for controlling a reverse time of a manuscript carriage, Device for controlling a reverse time of a manuscript carriage,

1977-04-25

1979-06-26

Shoop, William M.

Photocopying

Including fiber optics

355 14, 361167, G03G 1528

Patent

active

041591739

ABSTRACT:
A device for controlling a reverse time of a manuscript carriage, etc. for electrographic apparatuses is disclosed. The device comprises means for disengaging a forward movement electromagnetic clutch from a manuscript carriage or optical system driving mechanism and, after a lapse of time from the moment of disengaging the forward movement clutch from the manuscript carriage or optical system driving mechanism, for driving a backward movement clutch. The device is capable of effectively prevent the backward movement clutch and a carriage supporting plate, etc. from being subjected to heavy load and of effecting a reciprocal movement of the manuscript carriage or optical system in a smooth manner.

REFERENCES:
patent: 3008074 (1961-11-01), Gregory
patent: 3230435 (1966-01-01), Andrews
patent: 3566228 (1971-02-01), Tsergas et al.
patent: 3711198 (1973-01-01), Nordine
patent: 3743274 (1973-07-01), Komori
patent: 3990792 (1976-11-01), Kono et al.
patent: 3997262 (1976-12-01), Doi et al.
patent: 4012138 (1977-03-01), Washio et al.

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