Two sided pruning saw blade with compound cutting edges

Details Two sided pruning saw blade with compound cutting edges Two sided pruning saw blade with compound cutting edges

1997-08-22

1999-05-11

Rachuba, M.

Cutlery

Cutting tools

Saw

30501, 83835, B27B21/00

Patent

active

059014512

ABSTRACT:
A two sided pruning saw blade has a top cutting edge used for making an undercut of a limb while the bottom cutting edge is used for regular pruning. Both the top cutting edge and the bottom cutting edge have a compound curve containing two radii of curvatures which are different from one another.

REFERENCES:
patent: 296241 (1884-04-01), Stansbury
patent: 350403 (1886-10-01), Van Ostrand
patent: 522749 (1894-07-01), Bedell
patent: 700617 (1902-05-01), Cobaugh
patent: 709857 (1902-09-01), Anderson
patent: 770094 (1904-09-01), McGill
patent: 829158 (1906-08-01), Keepfer
patent: 865348 (1907-09-01), Allison
patent: 942920 (1909-12-01), Martin
patent: 3680610 (1972-08-01), Lindgren
patent: 3837024 (1974-09-01), Saunders

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