Photocopying – Projection printing and copying cameras – With developing
Patent
1990-10-15
1991-12-03
Hix, L. T.
Photocopying
Projection printing and copying cameras
With developing
355100, G03B 2752
Patent
active
050703595
ABSTRACT:
In an image formation system such as color copying machine, a micro-capsule paper as a photosensitive and pressure-sensitive medium and a developer paper as an image recording medium are fed in an overlapped state in a gap defined between two rollers having different diameters disposed in a pressure developing unit of the image formation system. In the pressure developing unit, the gap between two rollers is pressure adjusted by the cam assembly which comprises a cam support member disposed to be movable in directions contacting to and being separated from one roller, a plurality of cams mounted to the cam support member, an elastically deformable member supported by the frame member for applying pressure to the cam by the elastic deformation caused by the contact to the cams and a pressure transferring member mounted to the cam support member for transferring the pressure caused by the pressure applying member to the one roller, thus uniformly adjusting the pressure distribution to the papers between two rollers. The distance between the cam support member and the pressure applying member be adjusted by disposing and adjusting the wedge member. The cams selectively operated in accordance with the sizes of the papers to be utilized.
REFERENCES:
patent: 4920375 (1990-04-01), Akao et al.
patent: 4945374 (1990-07-01), Yamamoto et al.
patent: 4945381 (1990-07-01), Yamagata et al.
Nagata Osamu
Seo Keiji
Brother Kogyo Kabushiki Kaisha
Hix L. T,.
Rutledge D.
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