Single piece tree shear blade having cylindrically curved cuttin

Details Single piece tree shear blade having cylindrically curved cuttin Single piece tree shear blade having cylindrically curved cuttin

1976-11-11

1977-12-06

McGehee, Travis S.

Woodworking

Special-work machine

Tree felling

72414, 76101R, 113116V, 144309R, 144322, B21D 1702, B21K 2100, A01G 2308

Patent

active

040611671

ABSTRACT:
A tree shear blade is formed by pressing a pre-shaped flat metal plate or blank into a die shaped to turn up opposite side and rear tabs of the blank to form mounting portions of the blade and to cylindrically curve a central portion of the blank to form a cutting portion of the blade. The side and rear tabs are then welded together.

REFERENCES:
patent: 1808731 (1931-06-01), Ireland
patent: 1873720 (1932-08-01), Piker
patent: 2297625 (1942-09-01), Kotcher

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