Portable grass and brush cutter with brake and clutch

Details Portable grass and brush cutter with brake and clutch Portable grass and brush cutter with brake and clutch

1975-11-05

1977-02-08

Smith, Al Lawrence

Cutlery

Cutting tools

With blade moving means

30390, 192 17R, B27G 1902

Patent

active

040065286

ABSTRACT:
A brake device for use in a portable bush cutter having a construction in which the driving force of the engine is transmitted through a centrifugal clutch assembly to the drive shaft sheathed in the elongated main pipe, then changed in direction by a bevel gear means and further transmitted to the rotary blade. Said brake device is installed at a location between either the drive shaft or the rotary blade shaft and the centrifugal clutch assembly. This brake device comprises a brake drum and a brake shoe or brake band and is operated simultaneously with the engine throttle valve by a lever secured to the handle grip, so as to apply the brakes to the rotary blade without stopping the engine.

REFERENCES:
patent: 2519936 (1950-08-01), Sayre
patent: 2697457 (1954-12-01), Lawrence
patent: 3026665 (1962-03-01), Hoff
patent: 3776331 (1973-12-01), Gustafsson

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