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Patent Searching and Data


Title:
ROLLER UNIT
Document Type and Number:
Japanese Patent JP2003322143
Kind Code:
A
Abstract:

To provide a roller unit having high strength and good carrying performance.

A coil spring 60 is wound in a spiral shape, and a winding direction is reversed at the center 60a of the spiral. The coil spring 60 is wound so as to position the upstream in a rotative direction (for example, a part shown as 60b) of a fixing roller pipe 52 of the coil spring 60 at a longitudinal direction center side to the downstream in a rotative direction (for example, a part shown as 60c) continuing to the upstream in the rotative direction.


Inventors:
YOKOGAWA KAZUKI
INOUE TAKESHI
KIYOHARA NAOKI
IMAIZUMI KAZUAKI
NAKAMURA MITSUNORI
ITO SHIGEHIKO
TEJIMA MORIAKI
MURAKAMI KAZUHIRO
Application Number:
JP2002000128004
Publication Date:
November 14, 2003
Filing Date:
April 30, 2002
Export Citation:
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Assignee:
CANON FINETECH INC
International Classes:
G03G15/20; B65H5/06; F16C13/00; G03G15/00; (IPC1-7): F16C13/00; B65H5/06; G03G15/00; G03G15/20
Attorney, Agent or Firm:
一徳 和彦