Repairable guide bar for tree harvesters

Details Repairable guide bar for tree harvesters Repairable guide bar for tree harvesters

1990-10-26

1991-10-01

Watts, Douglas D.

Cutlery

Cutting tools

Saw

30383, 144 34R, B23D 5702

Patent

active

050521098

ABSTRACT:
A guide bar for a mechanical harvester wherein the guide bar is repairable after bending. The guide bar is provided with a pliable section of lowered hardness in a limited zone between a mounting bracket and the principal cutting portion of the bar. A hinge area is thereby created in the zone area to permit bending of the bar without breaking. Reduced hardness is tolerated in the zone area where the least cutting action is encountered.

REFERENCES:
patent: 3726326 (1973-04-01), Coleman
patent: 3991799 (1976-11-01), Albright
patent: 4641432 (1987-02-01), Kume
patent: 4722141 (1988-02-01), Lim et al.
patent: 4958670 (1990-09-01), Johnson

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