Patent ID: 8838009
Filing Date: 2014-09-16
Classification: F16C,G03G

Abstract:
1. A roller mechanism, comprising: a roller that includes a rotation shaft that is driven; and a support member that is arranged to each end of the roller and supports the rotation shaft, wherein the support member includes: a bearing having an outer ring and inner ring which rotate relatively to each other; and a sleeve that is fittingly fixed to the inner ring, and wherein the sleeve and rotation shaft are fitted to each other by clearance fitting and further engaged with each other in a rotation direction, and wherein the sleeve and the rotation shaft are engaged with each other in the rotation direction by a protruding member which is fitted to a fitting recession provided on the sleeve and said protruding member is pole-shaped and is pressure-fitted into the rotation shaft perpendicularly to the rotation axis of the rotation shaft; a gap between the rotation shaft and the sleeve is in a range of 0.02 mm to 0.07 mm, wherein outer rings of the bearings included in the support members arranged to both ends of the roller are attached respectively to a pair of panels of an apparatus with which the roller is attached, and each outer ring is fittingly fixed by clearance fitting to each panel.