Woodworking – Special-work machine – Tree felling
Patent
1975-12-22
1976-12-14
Simpson, Othell M.
Woodworking
Special-work machine
Tree felling
144 3D, 144309AC, A01G 2308
Patent
active
039969827
ABSTRACT:
A shear assembly suitable for use with a tree harvesting machine including a shear support frame, a pair of blade arm assemblies, each carrying a shear blade, a hydraulic motor connected between the shear frame and each of the blade arm assemblies for opening and closing the shear assembly, and hydraulic lines leading to the hydraulic motors routed internally within the shear assembly to protect the hydraulic lines from possible damage.
REFERENCES:
patent: 3643712 (1972-02-01), Doel et al.
patent: 3727653 (1973-04-01), Tucek
Bray W. D.
Caterpillar Tractor Co.
Simpson Othell M.
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