Recessed file retention tool

Details Recessed file retention tool Recessed file retention tool

1990-02-06

1991-08-27

Terrell, William E.

Metal working

Scale remover or preventor

Scraper or scalper

16114R, 51205WG, 76 83, 269269, B23B 7106, B25G 308, B25G 324

Patent

active

050421271

ABSTRACT:
A clamping handle assembly useful in grasping the edges of a flat file includes two handle halves joined to each other by threaded fasteners. Each of the handle halves is provided with an opposing groove within which the file is received. The groove bottoms may be longitudinally convex and concave to assure at least three points of contact with the file edges. The edges of each handle half extending beyond the grooves to serve as guides for any tool edge dressed by the file.

REFERENCES:
patent: Re5574 (1973-09-01), Stearns
patent: 205519 (1878-07-01), Ayers
patent: 300140 (1884-06-01), Schlumm et al.
patent: 750696 (1904-01-01), Price
patent: 1020257 (1912-03-01), Brown
patent: 1057942 (1913-04-01), Crothers
patent: 1335813 (1920-04-01), Berghman
patent: 2515469 (1950-07-01), Power
patent: 3820209 (1974-06-01), Panetta
patent: 3914839 (1975-10-01), Holdsworth
patent: 4030382 (1977-06-01), Nilsson et al.

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