JPS6135769U - Centering jig - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

FIG. 1 is a side view showing an embodiment of the present invention, with only a portion left in cross section. FIG. 2 is a top view showing a state inserted into a workpiece, FIG. 3 is a partial view showing a suppressed state, and FIG. 4 is an end view showing an example of a workpiece. 1- is a case, 2 is a guide shaft, 5a, 5b, 5c, 5d are arm members, 6 and 7 are slitters, 9 is a presser metal fitting, 10
is a seesaw member, 61 and 62 are leg parts, 63 and 73 are connecting parts, 21 is a workpiece, and 23 is a reference plane.

Claims (1)

[Scope of utility model registration request] A case in which a guide shaft 2 is provided at the center in a centering jig that is positioned at the center of the reference surfaces of a cylindrical body having a plurality of reference surfaces facing each other in the diametrical direction at different angular positions on the inner surface. and a plurality of arm members that are held so as to surround the guide shaft of the case and be pushed out in a radial direction at a predetermined position, have symmetrical tapered surfaces on their inner ends, and have outer ends that protrude from the case and come into contact with each reference surface. and sliders 6 and 7 that move along the guide axis of the case and are provided with legs that are brought into contact with the tapered surfaces of arm members that are located symmetrically on the outer surface, and joints between the legs, and A centering jig characterized by comprising a seesaw member that straddles and contacts adjacent slider end faces and presses the slider in the axial direction.