Image-transfer apparatus with highly accurate registering perfor

Details Image-transfer apparatus with highly accurate registering perfor Image-transfer apparatus with highly accurate registering perfor

1993-11-22

1995-06-13

Fisher, J. Reed

Printing

Rolling contact machines

Rotary

B41F 522, B41F 1330

Patent

active

054232546

ABSTRACT:
An image-transfer apparatus performs highly accurate registering and comprises a platen having a cut-off portion on its surface, being prepared for attaching an image-forming material thereto, and a transfer cylinder having a cut-off portion on the surface being prepared for attaching an image receptor thereto. The apparatus allows the introduction of an image-forming material and an image receptor into a nip formed by the platen and the transfer cylinder by the rotation of the platen and the transfer cylinder to transfer an image formed in a photosensitive layer of the image-forming material to the image receptor. The image-transfer apparatus further has a printing pressure adjusting device for adjusting the movement of the platen towards the axial center of the transfer cylinder or the movement of the transfer cylinder towards the axial center of the platen, and two first gears which rotate the platen and the transfer cylinder with an actuation mechanism. One of the first gears is positioned coaxially with the rotation axis of the platen, and the other of the first gears is positioned coaxially with the rotation axis of the transfer cylinder.

REFERENCES:
patent: 542369 (1895-07-01), Meisel
patent: 2036835 (1936-04-01), Sites
patent: 2301379 (1942-11-01), Davis
patent: 3129662 (1964-04-01), Pinkerton
patent: 3407727 (1968-10-01), Fischer
patent: 5075722 (1991-12-01), Adolphson et al.
Patent Abstracts of Japan, Apr. 14, 1987, vol. 11, No. 285, P-616, Image Transfer Device.
Patent Abstracts of Japan, Jun. 3, 1991, vol. 15, No. 344, P-1245, Image Forming Device and Superimposed Printing Method.
Patent Abstracts of Japan, Jul. 20, 1992, vol. 16, No. 532, P-1448, Image Transfer Method.

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