Bolt head reforming tool

Details Bolt head reforming tool Bolt head reforming tool

1987-10-02

1989-02-21

Meislin, Debra

Tools

Wrench, screwdriver, or driver therefor

Stud-removal and implacement

811211, 811244, 72476, B25B 1350, B25B 2302, B25B 1306

Patent

active

048054950

ABSTRACT:
A bolt head reforming tool for extracting bolts that have had their head stripped such that they cannot be removed with a wrench. A hollow tool has a central opening which has a lower portion large enough to pass over the head of the bolt and an inner portion which is smaller than the head of the bolt such that the tool can be driven onto the head of the bolt with a hammer such that the smaller portion cuts the head of the bolt to reform it to its original position. The tool may have a staggered inside cutting edge so that as the tool is driven further onto the head of the bolt, a third inner surface also cuts the head of the bolt. The outer surface of the tool is formed such that a wrench can be connected thereto so as to turn the tool and the bolt to thus remove the head.

REFERENCES:
patent: 264233 (1882-09-01), Bole
patent: 1798944 (1931-03-01), Jackman
patent: 1941565 (1934-01-01), Mandl
patent: 2121197 (1938-06-01), Jackman
patent: 2767605 (1956-10-01), Schmid
patent: 3161090 (1964-12-01), McLellan
patent: 3640175 (1972-02-01), Barclay
patent: 3889557 (1975-06-01), Young
patent: 4503737 (1985-03-01), DiViovanni
patent: 4607547 (1986-08-01), Martus
patent: 4611513 (1986-09-01), Young et al.
patent: 4671141 (1987-06-01), Hanson

Affiliated with

Also associated with

Rating

Bolt head reforming tool does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Bolt head reforming tool, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Bolt head reforming tool will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1514251