Dipper stick cutter

Details Dipper stick cutter Dipper stick cutter

2006-02-09

2009-12-08

Self, Shelley (Department: 3725)

Woodworking

Special-work machine

Combined

C144S034100, C144S034500, C030S134000, C030S228000, C241S101710

Reexamination Certificate

active

07628185

ABSTRACT:
A tree and brush cutter is attached to a dipper stick of an excavator or backhoe to be operated by a curl cylinder on the dipper stick. Blades on the cutter face the boom side of the dipper stick where an operator can observe their opening and closing. A link system on the cutter transmits an advancing motion of the curl cylinder into a cutting motion of the blades and a retraction motion of the curl cylinder to opening of the blades.

REFERENCES:
patent: 3865160 (1975-02-01), McColl
patent: 3972097 (1976-08-01), Schakat
patent: 4543719 (1985-10-01), Pardoe
patent: 4669187 (1987-06-01), Pardoe
patent: 4771540 (1988-09-01), LaBounty
patent: 4913203 (1990-04-01), Lessard
patent: 5142779 (1992-09-01), LaBounty
patent: 5826339 (1998-10-01), Price
patent: 5926958 (1999-07-01), Ramun
patent: 6047475 (2000-04-01), Tyrrell et al.
patent: 6662836 (2003-12-01), Andersen
patent: 6994284 (2006-02-01), Ramun

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