Patent ID: 8789566
Filing Date: 2014-07-29
Classification: A01G,B02C

Abstract:
1. A rotating disc assembly for use on a stump grinder comprising: a bit securing sub-assembly comprising a rotating disc member defining a peripheral edge and a bit holder member mechanically connected to said rotating disc member and that defines a recess having a first portion extending in a first direction, a second portion extending from said first portion along a second direction that is not parallel to said first direction, and a third portion extending from said second portion in a third direction that is substantially parallel to and spaced from said first direction; and a first bit that is mechanically connected to said bit holder member and positioned within said recess by a fastening hardware that extends through co-axially aligned holes formed in said bit holder member and said first bit and along an axis that is essentially parallel to the direction of travel of said rotating disc member; wherein the first bit and the bit securing sub-assembly are sized, shaped, located and/or connected so that a footprint of the first bit is at least partially shielded by a corresponding footprint of the bit securing sub-assembly.