Rim driven rotary cutter for a tree felling head

Details Rim driven rotary cutter for a tree felling head Rim driven rotary cutter for a tree felling head

B - Operations, Transporting

27

B

143/23

B27B 5/00 (2006.01) A01G 23/087 (2006.01) B23D 47/12 (2006.01) B23D 61/02 (2006.01) B23Q 11/02 (2006.01)

Patent

CA 1240241

A B S T R A C T A rim driven rotary cutter for a tree felling head wherein the drive pinion and saw disc are in substantially the same plane, teeth on the drive pinion mating with the trailing face of the cutting formations on the saw, both being of a standard gear tooth design. The other face of the cutting formations have a cutting edge permanently or detachably mounted thereon. The circular cutting disc is mounted on a base plate and journal led for rotation on one or more annular bearings. Debris, such as chips resulting from cutting are removed by an idler having projections mating with the teeth of the cutting disc and/or an air jet suitably located to propel the chirps from between the cutting members and/or an opening in the frame allowing the chips to discharge by virtue of centrifugal forces.

463369

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