Grass trimmer drivable by power tool

Details Grass trimmer drivable by power tool Grass trimmer drivable by power tool

2005-04-05

2005-04-05

Pezzuto, Robert E (Department: 3671)

Harvesters

Convertible

C056S296000, C030S216000

Reexamination Certificate

active

06874303

ABSTRACT:
A grass trimmer includes a fixed cutter device secured to a housing and having one or more stationary cutter blades extended out of the housing, a movable cutter device rotatably secured to the fixed cutter device and having one or more cutter blades movable relative to the stationary cutter blade of the fixed cutter device to conduct cutting operations by an eccentric member of a rotary member. A drive shank is secured to the rotary member, and a power tool may engage with the shank, to drive the rotary member and the eccentric member relative to the movable cutter device, and to move the movable cutter device relative to the fixed cutter device in reciprocating action.

REFERENCES:
patent: 2867040 (1959-01-01), Mertesdorf
patent: 3851388 (1974-12-01), Weber et al.
patent: 3851390 (1974-12-01), Neal
patent: 3959878 (1976-06-01), Irelan et al.
patent: 3973378 (1976-08-01), Bartasevich et al.
patent: 4493223 (1985-01-01), Kishi et al.
patent: 4619045 (1986-10-01), Mayer
patent: D317853 (1991-07-01), Clivio
patent: 5197268 (1993-03-01), Barrera

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