Patent ID: 6464395
Filing Date: 2002-10-15
Classification: B23Q,F16B,F16C

Abstract:
A mounting structure for mounting a linear guide bearing, said mounting structure comprising a stationary base member and a rail for the linear guide bearing, said stationary base member for the linear guide bearing having a screw hole, said screw hole being formed in a rail fixing surface for fixing of said rail for the linear guide bearing and being used for fixing said tail on said rail fixing surface by being coupled with a bolt passing through a through hole having an inside diameter &phgr;a formed in said rail, wherein a shape of said screw hole in defined as follows:an external edge portion of an opening portion of said screw hole in said fixing surface comprises an annular recess continuous from said screw hole; said screw hole has a nominal diameter b of a female thread of said screw hole; said annular recess has a width c indicated by half of a difference between said nominal diameter and an outside diameter of said annular recess in a radial direction of said screw hole; and said diameter &phgr;a, said diameter b, and said width c satisfy the relation 0.5Ã—(&phgr;aâˆ’b)