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US 8,505,914 B2Granted
Roller device and image forming apparatus
AssigneeKYOCERA Document Solutions Inc.
InventorYoshiaki Tashiro
Life of this patent
Estimating the term…
Abstract
A roller device includes a roller having a body and a pair of support shafts extending from both ends of the body; and a wire bearing made of a wire and having a pair of coils wound around each of the support shafts and a connection portion connecting the pair of coils.
Claims22
A roller device comprising:
- a roller having a body and a pair of support shafts extending from both ends of the body, the roller rotating around a rotation axis;
- and
- a wire bearing made of a wire and having a pair of spiral coils of wire wound around each of the support shafts so that adjacent wire portions of a coil contact each other without any gap in a direction of the rotation axis and a connection portion connecting the pair of spiral coils,
- wherein the roller device is supported by a guide member having at least a shaft holding portion for supporting the pair of spiral coils, and the pair of spiral coils is inserted into the shaft holding portions so that the roller device is supported by the guide member.
1 more element
A roller device comprising:
- a roller having a body and a pair of support shafts extending from both ends of the body;
- and
- a wire bearing made of a wire and having a pair of spiral coils wound around each of the support shafts and a connection portion connecting the pair of spiral coils,
- wherein the roller device is supported by a guide member having at least a shaft holding portion for supporting the pair of spiral coils, and the pair of spiral coils is inserted into the shaft holding portions so that the roller device is supported by the guide member.
1 more element
An image forming apparatus comprising a roller device which includes:
- a roller having a body and a pair of support shafts extending from both ends of the body;
- and
- a wire bearing made of a wire and having a pair of spiral coils wound around each of the support shafts and a connection portion connecting the pair of spiral coils,
- wherein the roller device is supported by a guide member having at least a shaft holding portion for supporting the pair of spiral coils, and the pair of spiral coils is inserted into the shaft holding portions so that the roller device is supported by the guide member.
1 more element
Dependencies are inferred from the claim text.