Tree harvesting method and device

Details Tree harvesting method and device Tree harvesting method and device

1973-12-27

1976-08-17

Simpson, Othell M.

Woodworking

Special-work machine

Combined

144 2Z, 144 34R, 144309AC, A01G 2308

Patent

active

039748669

ABSTRACT:
In a tree harvesting method particularly suitable for selective logging, the upper part of a tree will be limbed and bucked into logs by means of a harvesting device before the tree is severed at the butt. During the limbing and bucking procedure, the harvesting device will be secured tightly to the lower part of the tree so that the pressure against the device is transferred to this lower part and thus no massive support carrier is needed for the harvesting device. The upper part of the tree can be bucked, after it has been severed from the lower part, by lowering it in upright position the length of a log at a time to the side of the lower part and by severing each log thereof at the height of the upper end of the lower part. The convenient height of the lower part of the tree corresponds approximately to the length of a log.

REFERENCES:
patent: 3371692 (1908-03-01), Larson et al.
patent: 3461928 (1969-08-01), Siiro
patent: 3612117 (1971-10-01), Kjell
patent: 3720246 (1973-03-01), David
patent: 3797539 (1974-03-01), Moser et al.
patent: 3797540 (1974-03-01), Propst

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