Patent ID: 11945071
Assignee: TAIMEI CHEMICALS CO., LTD.
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A polishing brush comprising:
a grinding element bundle formed of a plurality of wire-shaped grinding elements; and
a rod-shaped member, wherein
when a direction along an axis of the rod-shaped member is an axial direction, a direction orthogonal to the axis is a radial direction, a direction intersecting the axial direction and the radial direction is an inclination direction, and one side of the axial direction is a front side and the other side is a back side,
the rod-shaped member has a holding hole at a front portion to hold the grinding element bundle,
the holding hole has a bottom face, a sleeve-shaped peripheral wall extending from the bottom face in the inclination direction, and an opening facing one direction of the radial direction,
the grinding element bundle has a seated portion seated in the holding hole, and a protruding portion protruding from the opening of the holding hole in the inclination direction,
an inclination angle at which a hole axis of the holding hole intersects the axis is 45° or less, and
a tip end of the protruding portion is located outside of the rod-shaped member when viewed from the axial direction.