Roller for pressing a sheet against a heating surface

Details Roller for pressing a sheet against a heating surface Roller for pressing a sheet against a heating surface

1984-10-24

1986-09-16

Grimley, Arthur T.

Photocopying

Including fiber optics

355 14FU, 219216, 29128, 29132, G03G 1500, B21B 3108

Patent

active

046119027

ABSTRACT:
A roller 1 which serves to press a copy sheet against a heating plate of a fixing device in an electrophotographic copier is equipped with a clinging plastic tape 3 wound spirally around the roller. The end portions 6,6' of the roller are provided with clamping means. The tape 3 has holes and pointed ends. The roller ends have different lengths, and over the longer roller end 10 a clamping sleeve 4 is slipped and is mounted on a shaft, thus forming the end portion 6'. The clamping sleeve has a tapped hole penetrating its wall and provided with a set screw which is screwed down to lock the clamping sleeve, which is otherwise rotatable about the shaft, in a position in which the tape is wound tightly around the roller surface.

REFERENCES:
patent: 1945274 (1934-01-01), Hormel
patent: 2630657 (1953-03-01), Hanley
patent: 2960753 (1960-11-01), Robertson
patent: 4059394 (1977-11-01), Ariyama et al.
patent: 4474456 (1984-10-01), Kobayashi et al.

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