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US 8,061,396 B2Granted
Tooth for a circular saw or mower drum
OwnerCharles MacLennan, Denis Riouxinventors
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OwnerCharles MacLennan, Denis Riouxinventors
Estimating the term…
A tooth for a circular saw or a mower drum that can be used to cut standing trees or brush and undergrowth. The tooth has four cutting edges arranged in a first pair of opposed cutting edges that are generally straight and a second pair of opposed cutting edges that are generally concave. The tooth is mounted in a holder in a first or second cutting position that orients a cutting edge of the first or second pair to physically contact and effect a cutting method to a cuttable material. In a first cutting method, a generally straight cutting edge contacts the material, resulting in a slicing action. In a second cutting method, a generally concave cutting edge contacts the material, resulting in a gouging action. Teeth in the circular saw or brush mower alternate between first and second cutting positions, allowing both cutting methods to be applied to cuttable material.
A tooth for a circular saw or a mower drum that is rotatable relative to an axis of rotation, said tooth being mountable on a holder, which is mountable on the saw or the mower drum, said tooth having four corners and four divergent sides extending from a mounting end to a cutting end, said cutting end having a first pair of opposed cutting edges and a second pair of opposed cutting edges, said first pair of opposed cutting edges being generally straight and said second pair of opposed cutting edges being generally concave, wherein, in use, said tooth is mountable on the holder in four different positions, a first position and a third position, wherein said opposed straight cutting edges are generally parallel and said opposed concave edges are generally perpendicular relative to the axis of rotation of the saw or mower drum, and a second position and a fourth position, wherein said tooth is rotated of 90° and said opposed straight cutting edges are generally perpendicular and said opposed concave edges are generally parallel relative to the axis of rotation of the saw or mower drum.
A method of cutting a tree, comprising:
Dependencies are inferred from the claim text.