Patent ID: 9445553
Filing Date: 2016-09-20
CPC Classification: A01G,B27B,Y10T

Claim Text:
1. A positioning system for attachment to a vehicle for operation of a chain saw for cutting a severable member by a ground-based operator sitting in the vehicle, the positioning system comprising: (a) a mast having an upper portion and a lower portion, wherein said lower portion is attached to the vehicle; (b) an upper arm comprising a proximate end and distal end, the distal end further comprising a chainsaw, the chain saw having a weight and further comprising a cutting edge; (c) a pivot bolt interconnecting the proximate end of the upper arm to the upper portion of the mast wherein the pivot bolt is configured to allow for pivotal movement of the upper arm relative to the mast between predetermined limits; (d) a limit strap disposed along the mast and interconnected to the upper arm and the mast, wherein the limit strap is configured to limit pivotal movement of the upper arm and chain saw after the severable member has been cut; and (e) a source of power for the chain saw from the operator's position in the vehicle; (f) wherein the cutting edge self feeds when the chain saw is energized by the operator; (g) a four-point linkage consisting of a horizontal base attached to the vehicle, a horizontal top, two parallel vertical members, each parallel vertical member pivotally attached at one end to the horizontal base and pivotally attached at the other end to the horizontal top.