Disc saw felling head chip path management construction

Details Disc saw felling head chip path management construction Disc saw felling head chip path management construction

1998-06-29

2000-05-30

Bray, W. Donald

Woodworking

Special-work machine

Tree felling

83928, 303795, 144 41, 144336, A01G 2308

Patent

active

060680350

ABSTRACT:
A disc saw felling head has the cutting pocket positioned relative to the tooth entry opening into the housing such that chips being thrown out of the kerf by the teeth are thrown radially outwardly of the entry opening. The chips are thrown against a deflector plate which redirects them back toward the center but away from the disc to dissipate energy in the chips, reduce the directions in which chips are thrown, and reduce clogging of the housing.

REFERENCES:
patent: 4932447 (1990-06-01), Morin
patent: 4987935 (1991-01-01), Corcoran et al.
patent: 5113919 (1992-05-01), MacLennan
patent: 5794674 (1998-08-01), Kurelek
Applicant's Exhibit A --Timberjack "2618/2628 Level Swing Feller Bunchers" brochure, two pages, admitted prior art.
Applicant's Exhibit B --Photo of Denharco "Snowblower" type discharge, admitted prior art.
Applicant's Exhibit C --Photos of Hydro-Ax 22 Ex Bunching Saw discharge, admitted prior art.
Applicant's Exhibit D --p. 5 of "Tigercat Safety Bulletin" showing prior art chip spray pattrens, admitted prior art.
Applicant's Exhibit E --p. 12 of "Tigercat Safety Bulletin" discussing "Saw housing entrance and exit space", admitted prior art.

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