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US 2007/0194523 A1Published application
Sheet conveying roller, sheet conveying apparatus, and image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorYoshimasu YAMAGUCHI
Life of this patent
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Abstract
A shaft of a sheet conveying roller is a pipe shaft. Both ends of the pipe shaft are formed into small-diameter portions, and a mounted portion on which a friction member is provided is formed into a large-diameter portion, which has a diameter larger than a diameter of the both ends of the pipe shaft.
Claims12
A sheet conveying roller comprising:
- a shaft supported by bearings at both ends thereof;
- and
- an elastic frictional member provided on an outer circumference of the shaft,
- wherein the shaft is a pipe shaft, the both ends of the pipe shaft are formed into small-diameter portions, and a mounted portion on which the frictional member is mounted is formed into a large-diameter portion having a diameter larger than a diameter of the both ends.
1 more element
Dependencies are inferred from the claim text.