Copying machine with original carriage moving device

Details Copying machine with original carriage moving device Copying machine with original carriage moving device

1980-03-10

1982-03-16

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Original moves continuously

271 3, 355 8, G03B 2748, G03B 2750

Patent

active

043198350

ABSTRACT:
In a copying machine having a movable carriage 5 for carrying the original, the correct velocity ratio between the carriage and the drive shaft 18 which advances the photosensitive sheet 21 (or photosensitive drum) is established by driving the carriage from a shaft 25 at overspeed through a friction clutch 38 and limiting the carriage velocity to the correct value by a coupling (rack 32, gears 40,43, one-way clutch 29) between the carriage 5 and the drive shaft 18. The correct velocity is thereby maintained irrespective of wear and tolerances in the drive to the carriage and the carriage guides.

REFERENCES:
patent: 3900256 (1975-08-01), Ravera et al.
patent: 4239371 (1980-12-01), Igarishi et al.

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