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US 2013/0170878 A1Published application
Belt unit, fixing device and image forming apparatus
AssigneeOki Data Corporation
InventorTeruaki KURODA
Life of this patent
Estimating the term…
Abstract
A belt unit includes an endless belt member, a first roller provided on an inner circumferential surface side of the belt member, and a stretching member provided on the inner circumferential surface side of the belt member. The stretching member is configured to stretch the belt member. A circumferential length of the belt member at a center portion in a widthwise direction of the belt member is shorter than a circumferential length of the belt member at an end portion in the widthwise direction of the belt member.
Claims17
A belt unit comprising:
- an endless belt member;
- a first roller provided on an inner circumferential surface side of the belt member, and
- a stretching member provided on the inner circumferential surface side of the belt member, the stretching member being configured to stretch the belt member,
- wherein a circumferential length of the belt member at a center portion in a widthwise direction of the belt member is shorter than a circumferential length of the belt member at an end portion in the widthwise direction of the belt member.
1 more element
Dependencies are inferred from the claim text.