Caulked assembly of metal plate body with columnar body,...

Details Caulked assembly of metal plate body with columnar body,... Caulked assembly of metal plate body with columnar body,...

2011-04-05

2011-04-05

Hong, John C (Department: 3726)

Metal working

Method of mechanical manufacture

Assembling or joining

C029S505000

Reexamination Certificate

active

07918007

ABSTRACT:
The present invention provides a caulked assembly to be manufactured at low cost, and maintain sufficient caulking strength, and the manufacturing method and apparatus thereof. The manufacturing method comprises steps of forming a mounting hole for inserting and assembling a columnar body in a metal plate body, and forming a thick part along an inner circumferential edge of a mounting hole; forming a circumferential groove with a predetermined depth at an assembled position of a outer circumferential surface of the columnar body inserted into the mounting hole; inserting the columnar body into the mounting hole to set to the assembled position where the thick part is opposed to the circumferential groove; and caulking for compressively pressing the thick part from an axial direction of the columnar body to plastically deform the thick part in a center direction of the mounting hole to bite the thick part into the circumferential groove.

REFERENCES:
patent: 5602698 (1997-02-01), Miyazaki et al.

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