Reinforced thin cylindrical structure, image fixing device using

Details Reinforced thin cylindrical structure, image fixing device using Reinforced thin cylindrical structure, image fixing device using

1998-07-02

1999-03-23

Smith, Matthew S.

Electrophotography

Image formation

Fixing

2989521, 298953, 219969, G03C 1520

Patent

active

058872370

ABSTRACT:
A small-sized high performance fixing device is realized by using a thin cylindrical structure having a structure which prevents loss of contact between inner reinforcing members and the thin cylindrical structure and prevents collapsing in the circumferential direction of the thin cylindrical structure due to wall-thinning, when the thin cylindrical structure receives the external force on the peripheral surface thereof.
For a fixing device for heat fixing operated by passing recording papers, on which toner images were transferred, through a pressurizing zone formed by a fixing roller formed of a cylindrical structure having a heater in the inside and a pressure roller, a cylindrical structure which is provided with at least one supporting member forcibly inserted in the thin cylindrical structure and is maintained in the firm contact condition with the inside surface of the cylindrical structure at portions of the outside peripheral surface of the supporting members is used as the fixing roller.

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