Installation tool for captive panel fastener

Details Installation tool for captive panel fastener Installation tool for captive panel fastener

1991-01-31

1992-06-09

Crane, Daniel C.

Metal deforming

By tool-couple embodying nonplanar tool-face

With complementary tool-faces

72416, 814245, B21D 706

Patent

active

051196654

ABSTRACT:
A tool for installing a retaining ring onto the threaded shank of a bolt to form a captive panel fastener. Alignment tabs formed on the retaining ring are positioned into cutout portions formed in the nose area of the tool. The tool and ring are then engaged onto the bolt from the outer end by first aligning visual markings formed on the tool jaws with longitudinal slots formed on the bolt shank. Force is then applied to the tool to crimp the ring and deform it while forcing tangs on the ring into the slots. The ring is prevented from being removed from the bolt slots while being free to move therealong.

REFERENCES:
patent: 1199255 (1916-09-01), Evans
patent: 2814222 (1957-11-01), Sanders
patent: 3203221 (1965-08-01), Conner
patent: 3680352 (1972-08-01), Wunder
patent: 3768138 (1973-10-01), Trapp
patent: 4318316 (1982-03-01), Guilliams

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