Blade for Cutting Roots
OwnerSamuel James Bakerinventor
Life of this patent
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Abstract
A blade assembly for cutting roots is installed on a hand-carried weed cutter or hand-carried side walk edger. The blade assembly comprises a central blade support that supports a central blade. A plurality of cutting blades are stacked on both sides of the central blade to form a stack of blades. The stack of blades is secured together by fasteners that pass through openings in the blades. The central blade and each of the plurality of cutting blades comprises a plurality of teeth. Outermost blades in the stack of blades are smaller in diameter than the blades directly adjacent to the outermost blades.
Claims20
A blade assembly comprising:
- a central blade support supporting a central blade;
- a plurality of cutting blades stacked on both sides of the central blade to form a stack of blades, the stack of blades secured together by fasteners, the central blade and each cutting blade comprising a plurality of teeth, the plurality of cutting blades comprising an outermost pair of blades, the outermost pair of blades smaller in diameter than blades directly adjacent to the outermost pair of blades.
A blade assembly comprising:
- a blade support configured to support a plurality of cutting blades in a stack, the blade support comprising a central opening configured to attach to the shaft of a weed-cutting apparatus;
- the plurality of cutting blades affixed to each other and the blade support with a plurality of fasteners, each cutting blade comprising a plurality of teeth, the plurality of cutting blades comprising an outermost pair of blades, the outermost pair of blades smaller in diameter than blades adjacent to the outermost pair of blades.
Dependencies are inferred from the claim text.