Repairable guide bar for tree harvesters

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

1991-09-11

1992-03-10

Watts, Douglas D.

Cutlery

Cutting tools

Saw

30383, B23D 5702

Patent

active

050939980

ABSTRACT:
A guide bar for a mechanical harvester wherein the guide bar is repairable after bending. The guide bar is provided with a bendable section in a limited zone between the 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. The rails are removed within this hinge area. The saw chain traverses the short railless section during normal cutting action. Upon bending of the bar, the chain assumes its own curvature in traversing the section and will more readily jump the bar when bending forces are so severe as to likely break the chain.

REFERENCES:
patent: 3529971 (1974-08-01), Anderson

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