Tool for repairing and replacing damaged studs

Details Tool for repairing and replacing damaged studs Tool for repairing and replacing damaged studs

1981-04-24

1983-03-15

Husar, Francis S.

Metal working

Method of mechanical manufacture

Repairing

408 1R, 411412, 411388, 403 11, 403408, 2940217, B23P 704

Patent

active

043763324

ABSTRACT:
A replacement stud for an original stud damaged in existing equipment consists of an oversized section having a threaded diameter larger than the original stud and a nominal section having a threaded diameter identical to that of the original stud. The nominal section is topped by a frangible, necked-down diameter capped by a suitable drive head for use with conventional hand or power drive tools. When the original stud has been damaged so as to preclude removal of a segment of it from the original stud hole, the stud hole is counterdrilled, enlarging its diameter and eliminating the broken segment. The larger threaded diameter of the snap-stud invention is set by the original stud's threaded diameter and the drill size predetermined for counterdrilling the original stud hole.

REFERENCES:
patent: 1905665 (1933-04-01), Weatherhead, Jr. et al.
patent: 2407904 (1946-09-01), Rosan
patent: 3527486 (1970-09-01), Gamp
patent: 3619892 (1971-11-01), Roeschlauf

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