Patent ID: 8939446
Filing Date: 2015-01-27
Classification: B65H

Abstract:
1. A roller device comprising: a main body; a first roller configured to rotate around a first axis line extending in a predetermined axial direction, the first roller including an end portion in the axial direction; and a supporting member including a first supporting portion configured to rotatably support the end portion of the first roller and an engaging portion configured to engage the main body, wherein the first supporting portion is movable within a movable range between a first position and a second position, the first supporting member supporting the end portion of the first roller at the first position, and the first supporting member being disengaged from and disposed outside of and adjacent to the end portion of the first roller at the second position, wherein the supporting member is movable between a third position and a fourth position, the engaging portion engaging the main body when the supporting member is located at the third position, and the engaging portion being disengaged from the main body when the supporting member is located at the fourth position, and wherein the main body including a regulating portion disposed inside the movable range when the supporting member is located at the third position and disposed outside the movable range when the supporting member is located at the fourth position.