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US 6,055,396 AGranted
Laser printer having a distance and tension controller
AssigneeSamsung Electronics Co., Ltd.
InventorJeong-hun Pang
Life of this patent
Estimating the term…
Abstract
A laser printer which includes a photosensitive belt of a loop type having a seam at a portion where the ends overlap. The photosensitive belt circulates around a driving roller, a steering roller and a transfer backing roller, as well as passes between the transfer backing roller and a transfer roller. The laser printer also includes a distance controller which moves the transfer backing roller toward and away from the transfer roller.
Claims14
A laser printer comprising:
- a photosensitive belt of a loop type having a seam at a portion where the ends overlap, said photosensitive belt circulates around a driving roller, a steering roller and a transfer backing roller, said photosensitive belt further passes between the transfer backing roller and a transfer roller;
- a distance controller which moves the transfer backing roller toward and away from the transfer roller, wherein the distance controller comprises a cam unit which separates the transfer backing roller from the transfer roller when the seam of the photosensitive belt passes between the transfer roller and the transfer backing roller;
- and
- a tension controller which controls the tension of the photosensitive belt according to the movement of the transfer backing roller.
1 more element
A laser printer comprising:
- a photosensitive belt of a loop type having a seam at a portion where the ends overlap, said photosensitive belt circulates around a driving roller, a steering roller and a transfer backing roller, said photosensitive belt further passes between the transfer backing roller and a transfer roller;
- and
- a distance controller which moves the transfer backing roller toward and away from the transfer roller, wherein the distance controller comprises a cam unit which separates the transfer backing roller from the transfer roller when the seam of the photosensitive belt passes between the transfer roller and the transfer backing roller.
A laser printer comprising:
- a photosensitive belt of a loop type having a seam at a portion where the ends overlap, said photosensitive belt circulates around a driving roller, a steering roller and a transfer backing roller, said photosensitive belt further passes between the transfer backing roller and a transfer roller;
- a distance controller which moves the transfer backing roller toward and away from the transfer roller;
- and
- a tension controller which controls the tension of the photosensitive belt according to the movement of the transfer backing roller.
1 more element
Dependencies are inferred from the claim text.