Delimbing apparatus having selective closable guide arms

Details Delimbing apparatus having selective closable guide arms Delimbing apparatus having selective closable guide arms

1995-03-14

1996-07-09

Bray, W. Donald

Woodworking

Special-work machine

Tree delimbing

60428, 91183, 91446, 144338, 144343, 144356, 144 41, B27L 100, A01G 2300

Patent

active

055335551

ABSTRACT:
A hydraulic control circuit for uniform controlled movement of stripping and guiding arms in a tree delimbing apparatus. The piston rods of said cylinders are mechanically coupled to rotate tubular sleeve members with affixed stripping and guide arms between outward and inward positions. The stripping levers and guide arms open and close about a felled tree in a uniform manner for delimbing operations. A valve is provided for actuation to permit the guiding arms to be held in an open position, while the stripping arms are closed about a tree to accommodate a bent trunk.

REFERENCES:
patent: 4114666 (1978-09-01), Bruun
patent: 4124047 (1978-11-01), Dressler et al.
patent: 4130151 (1978-12-01), Ericsson
patent: 4164246 (1979-08-01), Savage et al.
patent: 4899794 (1990-02-01), Hamby, Jr.
patent: 5129438 (1992-07-01), Hamilton
patent: 5293914 (1994-03-01), Hudson

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