Apparatus to stabilize a cut tree in the vertical position durin

Details Apparatus to stabilize a cut tree in the vertical position durin Apparatus to stabilize a cut tree in the vertical position durin

1992-11-02

1995-01-03

Bray, W. Donald

Woodworking

Special-work machine

Combined

83360, 144 34R, 144335, 144356, 414 23, 414701, 901 34, A01G 2308, B27B 100

Patent

active

053777301

ABSTRACT:
A load stabilizing means for elongated objects grasped at one end and held vertically comprising gravity induced signals to hydraulic power and control means to correct deviations of the axis of the longitudinal object from the vertical. The preferred embodiment applies the invention to felling heads on light carriers.

REFERENCES:
patent: 4015729 (1977-04-01), Parquet et al.
patent: 4022259 (1977-05-01), Sturtz, Jr.
patent: 4039009 (1977-08-01), Lindblom
patent: 4108224 (1978-08-01), Wirt
patent: 5161588 (1992-11-01), Hamilton
patent: 5195864 (1993-03-01), Drake et al.

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