Photocopying – Including fiber optics
Patent
1980-07-10
1982-05-04
Moses, Richard L.
Photocopying
Including fiber optics
355 3DR, G03G 1500
Patent
active
043279929
ABSTRACT:
A photocopy machine having a drum and associated rollers driven by a flexible drive belt. A first gear train is connected between the drive belt and the drum for driving the drum at a low speed. A second independent gear train is connected between the drive belt and the rollers for driving the rollers at a relatively high speed, the gear trains being connected to the belt at points separated from one another. The drum and rollers are mounted in a drawer frame providing "pull out" movement with respect to a main frame. First and second one-way clutches of the axially separable type are interposed in the respective gear trains and axially oriented between the frames for completing separate drive connections in the trains when the drawer frame is closed in operating position, with the drive connections being broken when the drawer is pulled out for inspection or servicing. In the preferred embodiment of the invention the drum has a through-axle with a third one-way clutch of the axially separable type mounted in the drum and telescopingly receiving the axle for coupling the drum to the axle. This permits the axle to be withdrawn from the drum and from the frame when the drawer frame is in its pulled out position to free the drum and to enable the drum to be lifted vertically out of the machine for replacement or maintenance. The one-way clutches are of the type having peripherally spaced ramp supported rollers.
REFERENCES:
patent: 3490842 (1970-01-01), Reick et al.
patent: 4124289 (1978-11-01), Miyata et al.
patent: 4165168 (1979-08-01), Baumann et al.
Apeco Corporation
Moses Richard L.
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