Chain saw guide bar for tree harvester

Details Chain saw guide bar for tree harvester Chain saw guide bar for tree harvester

1999-10-18

2000-11-21

Pezzuto, Robert E.

Excavating

Land clearer

Tree or stump remover

144 41, 144 341, 30387, A01G 2308, B23B 5702

Patent

active

061485470

ABSTRACT:
A chain saw guide bar for a tree harvester is arranged to yield when an excessive force is applied such as when the guide bar becomes jammed in a cut. Yielding of the guide bar protects the bar holder from damage. The guide bar is heat treated or otherwise structurally modified to provide the desired yield strength.

REFERENCES:
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patent: 2838833 (1958-06-01), Richardson
patent: 2839096 (1958-06-01), Cutrone
patent: 2845967 (1958-08-01), Hutchinson
patent: 2888964 (1959-06-01), Mall
patent: 2897856 (1959-08-01), Carlton
patent: 4315370 (1982-02-01), Horne
patent: 5093998 (1992-03-01), Siegneur
patent: 5709254 (1998-01-01), Argue
patent: 5987786 (1999-11-01), Gibson et al.

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