Metal deforming – By use of tool acting during relative rotation between tool... – Tool orbiting or rotating about an axis
Patent
1982-07-22
1983-09-06
Crosby, Gene
Metal deforming
By use of tool acting during relative rotation between tool...
Tool orbiting or rotating about an axis
B21J 1534
Patent
active
044022034
ABSTRACT:
This invention provides an installation tool for a fastener that includes a nut and a tubular portion having an external knurl, the tool including an internally and externally threaded sleeve, a screw extending through the sleeve and engageable with the nut of the fastener, and an internally threaded element engaging the external threads of the sleeve and having an abutment surface at one end. Advancement of the internally threaded element causes the screw to move the fastener axially, forcing its tubular portion into an opening in a workpiece. The sleeve has a die surface at one end and is then advanced to engage the end of the tubular portion of the fastener for bending it outwardly to form a flange.
REFERENCES:
patent: Re27978 (1974-04-01), Gulistan
patent: 2641378 (1953-06-01), Wilt
patent: 3263466 (1966-08-01), Shackelford
patent: 3587271 (1971-06-01), Rigot
patent: 3686914 (1972-08-01), Powsey
patent: 3695324 (1972-10-01), Gulistan
patent: 3861185 (1975-01-01), Maddox
patent: 3933019 (1976-01-01), Underland
patent: 4121444 (1978-10-01), Duran
Crosby Gene
Deutsch Fastener Corp.
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