Machine for positioning and cutting tree trunks

Details Machine for positioning and cutting tree trunks Machine for positioning and cutting tree trunks

1997-02-05

1999-09-21

Dexter, Clark F.

Cutting

Interrelated tool actuating means and guard means

Work guard

834681, 834682, 834687, 83478, 83490, 83574, 1442865, B27B 518

Patent

active

059539755

ABSTRACT:
A table structure of the machine includes a table top defining an open area through which the trunk of a small tree may extend to enable lateral abutment of the lower trunk against an edge of the table top. A second or elevated abutment is carried on a post for engagement with an upper end segment of the tree trunk to position the trunk in an upright manner for subsequent cutting off of the trunk base. A circular power saw is swingably mounted on the table structure and swings about an axis during a trunk cutting operation. A saw carrier is spring biased so as to disengage the saw from the trunk being cut. A blade guard of the saw is automatically retracted by a tether to expose the saw blade during a cutting operation and oppositely to conceal the blade when retracted away from the tree trunk.

REFERENCES:
patent: 4123957 (1978-11-01), Niemela
patent: 4215612 (1980-08-01), Peel
patent: 4557170 (1985-12-01), Ingham
patent: 4987935 (1991-01-01), Corcoran et al.
patent: 4998573 (1991-03-01), York

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