Image-forming apparatus

Details Image-forming apparatus Image-forming apparatus

1986-12-18

1987-12-08

Grimley, Arthur T.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3BE, 355 14R, 226118, G03G 1500

Patent

active

047115629

ABSTRACT:
The present invention provides an apparatus for forming images on a substrate, using a belt-like medium which is moved past a number of precessing stations. The apparatus has at least two sections in which the belt-like medium can be driven at different speeds by different drive rollers at the same time. A buffer unit between the two sections compensates for the belt length shortage and/or surplus arising from the speed difference. The buffer unit consists of two parallel freely rotatable rollers secured to the ends of a rotatable frame.

REFERENCES:
patent: 3155022 (1964-11-01), Schwertz
patent: 3495903 (1970-02-01), Morley et al.
patent: 4046473 (1977-09-01), Trainor
patent: 4183658 (1980-01-01), Winthaegen
patent: 4592641 (1986-06-01), Roelofs et al.

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