Patent ID: 9268303
Filing Date: 2016-02-23
CPC Classification: F16C,F16D,G03G,Y10T

Claim Text:
1. A bearing member configured to be arranged in an end portion of a columnar rotary body, wherein a shaft member is attachable to the bearing member, the bearing member comprising: a body that includes a cylindrical body and a holding portion which is arranged inside the cylindrical body; and an intermediate member that is held by the holding portion of the body, wherein the holding portion includes an intermediate member guide which guides the intermediate member so that the intermediate member rotates, the intermediate member includes a portion in which the shaft member is arranged, the intermediate member further comprises a protruding guide member disposed therein, and the intermediate member guide is a guide surface on which the guide member slides, and at least a portion of the guide surface is a curved surface, wherein a guide member insertion groove is disposed in the holding portion for causing the guide member to reach the guide surface, the guide member insertion groove includes a snap-fit structure which is a portion narrower than an outer shape of the guide member, a groove into which a portion of a shaft member is inserted is disposed in the intermediate member, and the groove includes a snap-fit structure which is a portion narrower than an outer shape of the inserted portion of the shaft member.