Device for adjusting an original to be copied

Abstract

This invention relates to an improvement in a device for adjusting an original to be copied, in particular an original which is repeatedly conveyed through the exposure station of a photocopying machine, including a transport mechanism with a deviatable transport band arrangement adapted to transport said original at a variable speed, and when said original is to be copied a number of times, in a closed path, further including a device for lengthening the path on one side, two switches positioned transversely and normal to the direction of flow and adapted to be actuated by the original whereby a switching circuit to a servomotor is closed when the leading edge of the original deviates from a correct position, said servomotor being connected to a correcting element adapted to change the length of the path of the original on one side of said transport band arrangement, the improvement comprising generator means adapted to put out a first signal proportional to the transport speed of said original, said servomotor having a rotational speed proportional to a second signal supplied thereto, and means connecting said generator means to said servomotor by at least one transfer element adapted to proportionately transform or transduce said first signal into said second signal.

Dependencies are inferred from the claim text.