Image forming apparatus and leader sheet therefor

Details Image forming apparatus and leader sheet therefor Image forming apparatus and leader sheet therefor

1990-09-19

1991-10-22

Hix, L. T.

Photocopying

Projection printing and copying cameras

With developing

355100, G03B 2752

Patent

active

050600109

ABSTRACT:
An image forming apparatus with comprises a pair of pinch rolls operable to press a web of donor sheet, supplied from a roll thereof, a receptor sheet together to accomplish an image development by an application of a pressure thereto, and an automatic loader operable to set a leader sheet, secured to a radially outermost end of the roll of donor sheet, in a sheet transport path including the pinch roll pair and then to secure the leader sheet to a take-up spool having an adhesive region formed thereon for connection with the leader sheet. The take-up spool is driven in a first direction about a longitudinal axis of the take-up spool during an automatic loading and in a second direction counter to the first direction about the longitudinal axis of the take-up spool during an image forming operation. The leader sheet has a leading end which is wound around and secured to the take-up spool then driven in the first direction, and the remainder of the leader sheet is folded backwards along a score line, defined therein, to overlay the leading end. The leading end of the leader sheet is formed with at least one through-hole for connection of the remainder of the leader sheet with the adhesive region on the take-up spoon through the through-hole after it has been folded backwards.

REFERENCES:
patent: 3645473 (1972-02-01), Kitch
patent: 4399209 (1983-08-01), Sanders
patent: 4912510 (1990-03-01), Ogura et al.
patent: 4994856 (1991-02-01), Koichi

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