US 11,702,306 B2
Belt feeding device and image forming apparatus
Takao Nakajima, Tokyo (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Sep. 7, 2021, as Appl. No. 17/468,416.
Claims priority of application No. 2020-155906 (JP), filed on Sep. 16, 2020.
Prior Publication US 2022/0081238 A1, Mar. 17, 2022
Int. Cl. B65H 5/02 (2006.01); G03G 15/16 (2006.01)
CPC B65H 5/026 (2013.01) [B65H 5/021 (2013.01); G03G 15/1615 (2013.01); B65H 2301/531 (2013.01); B65H 2402/60 (2013.01); B65H 2403/25 (2013.01); B65H 2601/321 (2013.01); B65H 2601/324 (2013.01); B65H 2801/06 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A belt feeding device comprising:
an endless belt;
a plurality of stretching rollers, including a tension roller, configured to stretch said belt;
a bearing member configured to rotatably support said tension roller in an end portion thereof with respect to a rotational axis direction of said tension roller;
a bearing support member configured to movably support said bearing member with respect to a direction crossing the rotational axis direction;
an urging member provided between said bearing member and said bearing support member and configured to urge said tension roller to apply tension to said belt;
a supporting member configured to support said bearing supporting member; and
a locking member capable of locking said bearing member by engaging with said bearing support member and said bearing member, said locking member being movable between a first position where an engagement between said locking member and one of said bearing support member and said bearing member is released and said bearing member is permitted to move by said urging member so as to apply the tension to said belt, and a second position where said locking member locks said bearing member by engaging with said bearing support member and said bearing member and said bearing member is restricted to move by said urging member,
wherein said bearing member, said bearing support member, said urging member, and said locking member are integrally dismountable from said supporting member in a state in which said locking member is positioned in the second position.