Fastening method, fastening system and bolt used therefor

Details Fastening method, fastening system and bolt used therefor Fastening method, fastening system and bolt used therefor

1998-03-11

2000-04-25

Games, Robert H

Joints and connections

Member deformed in situ

Deformation occurs simultaneously with assembly

403343, 4034081, 411412, 411413, 2952511, F16B 3300

Patent

active

060536535

ABSTRACT:
The present invention provides a fastening method for fastening a first member to a second member by a bolt, comprising the steps of: inserting the bolt through a hole in the first member into a hole in the second member to start threadably engaging the bolt in a threaded hole provided in the second member; then, in a subsequent threadably engaging process, shaping, for example by plastically deforming or cutting, the holes of both the first and second members by a large-diameter portion provided around a bolt shank and having a diameter larger than that of the holes. The invention also provides a fastening system and a bolt used for the above-described method. With this method, it is possible to accurately connect the first and second members by the bolt, and to miniaturize the parts without increasing costs or lowering productivity.

REFERENCES:
patent: 4396309 (1983-08-01), McCormick
patent: 4621963 (1986-11-01), Reinwall
patent: 4653244 (1987-03-01), Farrel
patent: 5380118 (1995-01-01), Stahlecker et al.

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