Weed trimmer with a wingnut plate

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9010078
APP PUB NO 20140041353A1
SERIAL NO

13507953

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Importance

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Abstract

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The weed trimmer head is comprised of a sole plate having a diameter; a circumference; a plurality of pivot pins extending upwardly therefrom near the circumference. The sole plate also has a driving shaft extending upwardly therefrom from a center thereof. The driving shaft has a threaded segment thereon. A plurality of cutting blades are pivotally mounted to the plurality of pivot pins. A wingnut plate is also provided. This wingnut plate has a disc-like portion and wing blades extending on an upper side thereof. The wingnut plate has a threaded hole in its disc-like portion. The threaded hole is mounted to the threaded segment of the driving shaft and the wingnut plate is movable along the threaded segment, for selectively contacting or exposing the ends of the pivot pins.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
MacDonald, Randy Miramichi Bay, CA 1 8

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