Patent ID: 9440322
Filing Date: 2016-09-13
CPC Classification: B23Q

Claim Text:
1. An object positioning and fixing device that positions and fixes a target object on a base member in a horizontal direction and in a vertical direction, comprising: said base member comprises a reference seating surface for positioning in the vertical direction, and said target object comprises a contacting surface that can contact against said reference seating surface; said base member comprises a fitting hole that is formed to open to said reference seating surface, and a reference member that is fixed in said fitting hole; said target object comprises an installation hole that is formed to open to said contacting surface at a position corresponding to said reference member, and an annular engagement member that is fixed in said installation hole; said reference member comprises a fitting cylindrical portion that is fitted into and fixed in said fitting hole, an engagement projection that is formed integrally with said fitting cylindrical portion so as to have a larger external diameter than said fitting cylindrical portion and a smaller diameter than said annular engagement member and that projects from said reference seating surface toward said target object, a tapered engagement surface that is formed on at least a portion of an external peripheral surface of said engagement projection and whose diameter becomes smaller towards said target object, and a base end contacting surface that is formed on a base end of said fitting cylindrical portion side of said engagement projection so as to have a smaller external diameter than that of said annular engagement member and that contacts against said reference seating surface; and said annular engagement member comprises a tapered contacting surface that, when said base end contacting surface is contacted against said reference seating surface, can engage in a tightly contacting state with said tapered engagement surface of said engagement projection, via elastic deformation in a radially outward direction of said annular engagement member.