发明名称 Recording apparatus, rotary member support apparatus, and drive transmission apparatus
摘要 A rotary member support apparatus includes a rotary member configured to receive a force in a radial direction and having at a rotation center a cylindrical bearing portion, and a support shaft to be inserted into the bearing portion, wherein the support shaft is formed so as to have at least two protrusions including curved surfaces internally touching the bearing portion of the rotary member.
申请公布号 US8864301(B2) 申请公布日期 2014.10.21
申请号 US201213342618 申请日期 2012.01.03
申请人 Canon Kabushiki Kaisha 发明人 Tanaami Yasufumi
分类号 B41J2/01;B41J23/02;F16C17/02;F16H33/20;B41J13/076;F16H57/021 主分类号 B41J2/01
代理机构 Canon USA Inc IP Division 代理人 Canon USA Inc IP Division
主权项 1. A rotary member support apparatus comprising: a rotary member configured to receive a force in a radial direction and having at a rotation center a cylindrical bearing portion; and a support shaft inserted into the bearing portion, wherein the support shaft is formed having a plurality of protrusions, each including curved surfaces internally touching the bearing portion of the rotary member, and wherein the rotary member is regulated in its movement in an axial direction of the support shaft by a regulation member fixed to the support shaft and formed so as to cover the bearing portion of the rotary member.
地址 Tokyo JP