Lumber cutting attachments for chain saws

Woodworking – With use of control means energized in response to activator... – Including use of sensor responsive to information carried by...

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Details

30371, 83745, 30373, 144136R, 144326R, B27B 100, B27B 1702

Patent

active

041732405

ABSTRACT:
Lumber cutting attachments for use with a portable chain saw comprising a depth gauge or tip bracket for making a preliminary guide channel longitudinally of a lot to be cut into lumber, a stabilizing bracket including means for following the guide channel and directing the saw chain into the channel, and a guide bracket for cutting lengths of lumber of a desired width. The invention includes the method of cutting straight lengths of lumber from a log with a chain saw utilizing a chalk line to delineate the path of the guide channel.

REFERENCES:
patent: 3051203 (1962-08-01), Hayden
patent: 3092156 (1963-06-01), Hayden
patent: 3134409 (1964-05-01), Hayden
patent: 3225799 (1965-12-01), Hayden
patent: 3262475 (1966-07-01), Sweet
patent: 3434514 (1969-03-01), McManama
patent: 3969788 (1976-06-01), Granberg
patent: 4070757 (1978-01-01), Granberg et al.
patent: 4122604 (1978-10-01), Brown
patent: 4134203 (1979-01-01), Grube

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