Belt drive device and image forming apparatus having the same
AssigneeOki Data Corporation
InventorMakoto Kitamura
Life of this patent
Estimating the term…
Abstract
A belt drive device includes: a plurality of rollers; an endless belt placed on the rollers to be movable; a roller shaft shifting member disposed on at lease one end portion of a shaft of at least one of the rollers for shifting the one end portion of the shaft of the one of the rollers according to a movement of the endless belt in a shaft direction of the one of the rollers; a cleaning member disposed to face the one of the rollers; and a shifting member for shifting the cleaning member in the shaft direction of the one of the rollers when the endless belt moves in the shaft direction of the one of the rollers.
Claims14
A belt drive device comprising:
- a plurality of rollers;
- an endless belt placed on the rollers to be movable;
- a roller shaft shifting member disposed on at lease one end portion of a shaft of at least one of the rollers for shifting the one end portion of the shaft of the one of the rollers according to a movement of the endless belt in a shaft direction of the one of the rollers;
- a cleaning member disposed to face the one of the rollers and contacting with the endless belt for cleaning a surface thereof;
- and
- a shifting member for shifting the cleaning member in the shaft direction of the one of the rollers when the endless belt moves in the shaft direction of the one of the rollers.
A belt drive device, comprising:
- a plurality of rollers;
- an endless belt placed on the rollers to be movable;
- a roller shaft shifting member disposed on at lease one end portion of a shaft of at least one of the rollers for shifting the one end portion of the shaft of the one of the rollers according to a movement of the endless belt in a shaft direction of the one of the rollers;
- a cleaning member abutting against a surface of the endless belt;
- and
- an urging member disposed at a position facing the cleaning member with the endless belt in between,
- wherein said cleaning member and said urging member are disposed at an upstream side in a rotational direction of the endless belt relative to the one of the rollers.
A belt drive device comprising:
- a plurality of rollers;
- an endless belt placed on the rollers to be movable;
- a cleaning member disposed to face one of the rollers and contacting with the endless belt for cleaning a surface thereof;
- and
- a shifting member for shifting the cleaning member in a shaft direction of the one of the rollers when the endless belt moves in the shaft direction of the one of the rollers.
Dependencies are inferred from the claim text.