Universal, trimmer line, hook disk system

Details Universal, trimmer line, hook disk system Universal, trimmer line, hook disk system

2004-12-01

2009-10-20

Choi, Stephen (Department: 3724)

Cutlery

Cutting tools

With blade moving means

C030S347000, C056S012700

Reexamination Certificate

active

07603782

ABSTRACT:
A trimmer line, hook disk system in the form of a line trimmer head (e.g. FIGS.11&11A) as a replacement for attaching to a powered, rotational device to provide a line filament grass cutting action, which trimmer head includes a circular, protective base or bottom (D2), a circular, main trimmer head substrate (D3), the two forming a disk shape, and a series of peripherally spaced line holders; with these three basic elements attached together with appropriate fasteners for ultimate attachment to a powered device. Eleven exemplary line holders are shown in FIGS.1-10B, respectively, with some allowing oscillating (O) motion in their attachment to the trimmer head substrate (D3) and/or fixed (F) in their attachment. A “broom” embodiment is shown in FIG.18.When in use, flexible line made, for example, of nylon, is inserted in and held by the line holders preferably using hook or hook-like line attachments.

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Non-final Office Action for U.S. Appl. No. 11/720,530, mail date of Apr. 2, 2009.

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