Self-powered device for wearing on the back and for cutting foli

Details Self-powered device for wearing on the back and for cutting foli Self-powered device for wearing on the back and for cutting foli

1999-02-08

2000-09-26

Watts, Douglas D.

Cutlery

Cutting tools

With blade moving means

30347, 464 52, A01D 3400

Patent

active

061228303

ABSTRACT:
A self-powered device for cutting foliage that includes a backpack portion, a foliage cutting portion, and a coupling portion. The backpack portion includes a frame, a gas engine, and a flexible shaft. The coupling portion includes a power portion and a tool portion. The power portion includes a collar that is crimped on the sheathing of the flexible shaft of the backpack portion and a stop that extends fixedly and axially from the collar of the power portion. The tool portion includes a collar that is crimped on the casing of the flexible drive shaft of the foliage cutting portion with the end thereof having a blind bore extending axially therethrough which fixedly receives the end of the flexible shaft of the backpack portion. The collar of the tool portion has an inner periphery that fixedly receives the stop of the power portion. The collar of the tool portion further has a split that is defined by a pair of flanges that threadably engage a key that passes therethrough, and when tightened, secures the end of the flexible shaft of the backpack portion in the blind bore in the flexible drive shaft of the foliage cutting portion, and secures the stop of the power portion in the inner periphery of the collar of the tool portion.

REFERENCES:
patent: 3219129 (1965-11-01), Yamada
patent: 4242855 (1981-01-01), Beaver, Jr.
patent: 4483070 (1984-11-01), Junkermann
patent: 4575356 (1986-03-01), Murohushi et al.
patent: 4658778 (1987-04-01), Gamoh et al.
patent: 4989323 (1991-02-01), Casper et al.
patent: 5289605 (1994-03-01), Armbruster
patent: 5474278 (1995-12-01), Cleveland

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