Portable trimmer

Details Portable trimmer Portable trimmer

1998-12-11

2000-05-23

Watts, Douglas D.

Cutlery

Cutting tools

With blade moving means

30347, 56 127, A01D 3467

Patent

active

060652144

ABSTRACT:
A braking device of a portable trimmer according the present invention comprises a cylindrical brake drum portion provided around a cutter blade retainer, an anti-rotation device, and a brake shoe provided inwardly of the brake drum portion and supported by a support shaft. The brake shoe extends along an inner surface of the brake drum portion so that the distance between the support shaft and the line tangent to the middle portion of the brake shoe exceeds the radius of the inner wall surface of the brake drum portion. An anti-rotation device is installed in a vacant space within a gear case and inwardly of the brake drum portion.

REFERENCES:
patent: 4006528 (1977-02-01), Katsuya
patent: 4794695 (1989-01-01), Hurst
patent: 5174027 (1992-12-01), Gusthalin
patent: 5293691 (1994-03-01), Sugihara et al.
patent: 5774993 (1998-07-01), Schlessmann
patent: 5906051 (1999-05-01), Nannen

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