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DISC SAW FELLING HEAD FOR A FELLER BUNCHER

  • US 20170094915A1
  • Filed: 10/05/2015
  • Published: 04/06/2017
  • Est. Priority Date: 10/05/2015
  • Status: Active Grant
First Claim
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1. A felling head for a forestry machine configured to cut timber with a rotating saw blade subjected to axial forces and radial loads during cutting of the timber, the felling head comprising:

  • a housing including a bore;

    a saw motor supported by the housing;

    a mandrel disposed in the bore and defining a longitudinal axis, the mandrel including a flange to mount the saw blade and being operatively coupled to the motor to be rotationally driven by the saw motor within the bore of the housing;

    a first roller bearing; and

    a second roller bearing disposed adjacently to the first roller bearing, wherein the first roller bearing and the second roller bearing are arranged in an opposed configuration, such that one of the first and second roller bearings is configured to resist upward forces along the longitudinal axis and the other of the first and second roller bearing is configured to resist downward forces along the longitudinal axis.

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