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US 2003/0113145 A1Published application
Drum cleaner with shock absorber
AssigneeFujitsu Limited
InventorFutoshi Okabayashi
Life of this patent
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Abstract
A drum cleaner is provided for removing unnecessary toner clinging to a photosensitive drum. The cleaner includes an arm rotatable about the prescribed axis, a cleaning blade fixed to the arm and held in contact with the drum, a bias spring connected to the arm for holding the cleaning blade in pressing contact with drum, and an arm restrainer that prevents the positional deviation of the arm that would otherwise result from fluctuation in the frictional force between the cleaning blade and the drum.
Claims10
A drum cleaner for removing unnecessary toner clinging to a photosensitive drum, the cleaner comprising:
- an arm rotatable about an axis;
- a cleaning blade fixed to the arm and held in contact with the drum;
- a biasing member connected to the arm for holding the cleaning blade in pressing contact with drum;
- and
- an arm restrainer that prevents positional deviation of the arm resulting from fluctuation in a frictional force between the cleaning blade and the drum.
2 more elements
Dependencies are inferred from the claim text.