Bush cutting machine

Details Bush cutting machine Bush cutting machine

2007-02-13

2007-02-13

Ashley, Boyer D. (Department: 3724)

Cutlery

Cutting tools

With blade moving means

C030SDIG008, C030S340000, C030S347000, C030S277400, C030S264000, C056S012700, C074S551900

Reexamination Certificate

active

11121251

ABSTRACT:
A vegetation cutting machine has a tubular operation rod, a motor mounted to an end of the operation rod, a drive shaft extending through the operation rod and driven by the motor, a cutting tool provided at a distal end of the operation rod to undergo rotation with the drive shaft, a handle mounted on the operation rod, and a pair of handgrips provided on distal ends of the handle. Each of a pair of fastener members traverses the handle and a respective one of the handgrips for fixedly mounting the respective handgrip to the handle at a point located substantially at a center of gravity of a sum of a mass of the respective handgrip and a mass of a portion of the handle extending between the fixing point and a respective one of the distal ends of the handle, such that the fastener members of the respective handgrips are located at positions of the handle at which vibrations transmitted to the handle from the motor through the operation rod are minimized.

REFERENCES:
patent: 2637565 (1953-05-01), Lantry
patent: 3344684 (1967-10-01), Steere, Jr. et al.
patent: 4282652 (1981-08-01), Ballas, Sr.
patent: 4342369 (1982-08-01), Ransom
patent: 6056668 (2000-05-01), Nagashima
patent: 6085503 (2000-07-01), Hutchinson
patent: 6176016 (2001-01-01), Higashi et al.
patent: 6415588 (2002-07-01), Kao

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