Metal tools and implements – making – Tool sharpeners – Cutting
Patent
1977-04-04
1978-03-14
Whitehead, Harold D.
Metal tools and implements, making
Tool sharpeners
Cutting
51214, B21K 506
Patent
active
040784550
ABSTRACT:
A broadhead arrow sharpening accessory adapted to receive a flat file between end blocks for sharpening the broadhead blades. The end blocks contain end slots formed therein for receiving the ends of the file. Parallel rods extend between the end blocks alongside the side edges of the flat file. Support carriages are slidably mounted on the rods for receiving the broadheads with a blade extending outward frictionally engaging a file surface. The carriage and broadhead are moved in unison along the rod with the blade edge frictionally engaging the filing surface to sharpen the blade edge at the desired bevel angle.
REFERENCES:
patent: 593793 (1897-11-01), Vreeland
patent: 1787478 (1931-01-01), Jackson et al.
patent: 2466410 (1949-04-01), Garrison et al.
patent: 2588089 (1952-03-01), Curtis et al.
patent: 3733933 (1973-05-01), Longbrake
patent: 3797334 (1974-03-01), Sinclair
patent: 3819170 (1974-06-01), Longbrake
Parker Roscoe V.
Whitehead Harold D.
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