Image forming apparatus having tension-providing mechanism for belt
AssigneeCanon Kabushiki Kaisha
InventorsTakashi Yano, Yasuhiko Fuse, Hiroshi Kato
Life of this patent
Estimating the term…
Abstract
To enable not only releasing pressurization by a pressurization mechanism for pressurizing a belt thereby preventing a deformation therein but also easily and securely releasing the pressurization mechanism held in the pressure release state, thereby facilitating the installation operation of an apparatus. A pressurization mechanism for pressurizing a belt is in a released state prior to the use of the main body of the apparatus. Prior to the initial use of the main body, the pressurization of the pressurizing mechanism for the belt is exerted in linkage with a user operation of placing a recording material in a feed tray.
Claims11
An image forming apparatus, comprising:
- a movable member that is movable with respect to a main body of said image forming apparatus, to a first position or a second position which is further from the main body than the first position;
- a belt, which is in either a pressurized state or a pressure-released state;
- a support member that moves between a pressure-released position and a pressurized position to urge said belt so that said belt is in the pressurized state;
- a restriction unit that restricts movement of said support member, wherein said restriction unit moves said support member from the pressure-released position to the pressurized position as said movable member moves from the first position to the second position;
- and
- a portion for preventing said restriction unit from moving in association with the movement of said member,
- wherein, in a case where said movable member is moved from the second position to the first position in a condition in which said support member is positioned at the pressurized position, said portion prevents said restriction unit from moving in association with the movement of said movable member.
Dependencies are inferred from the claim text.