Tree shear assembly with toggle linkage

Details Tree shear assembly with toggle linkage Tree shear assembly with toggle linkage

1976-11-29

1978-12-26

Meister, J. M.

Woodworking

Special-work machine

Tree felling

144 3D, A01G 2308

Patent

active

041311442

ABSTRACT:
A tree shear assembly includes first and second blades pivotally connected to each other, and a toggle link system operatively connected with the first and second blades and in cooperative association with an extendible and retractable cylinder for closing and opening the blades.

REFERENCES:
patent: 944555 (1909-12-01), Holden
patent: 2366909 (1945-01-01), Johnson
patent: 2930122 (1960-03-01), Pfundt
patent: 3039189 (1962-06-01), McBenty
patent: 3488797 (1970-01-01), Dirks
patent: 3915211 (1975-10-01), Barwise
patent: 3927704 (1975-12-01), Wirt
patent: 3946776 (1976-03-01), Oldenburg et al.
patent: 3986542 (1976-10-01), Guy et al.
patent: 3995671 (1976-12-01), Wirt

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