Sharpener for phillipshead screwdrivers

Details Sharpener for phillipshead screwdrivers Sharpener for phillipshead screwdrivers

1985-07-22

1986-05-27

Husar, Francis S.

Metal working

Scale remover or preventor

Scraper or scalper

76 82, B23D 7108

Patent

active

045906513

ABSTRACT:
The invention will sharpen worn phillipshead screwdrivers. The invention contains four files that fit into the grooves of a phillipshead screwdriver. The worn phillipshead screwdriver is sharpened when the worn phillipshead screwdriver is moved in-and-out of the invention.

REFERENCES:
patent: 3575068 (1971-04-01), Stafford
patent: 4069619 (1978-01-01), Escamilla
patent: 4348809 (1982-09-01), Jackson

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