Woodworking – Special-work machine
Patent
1986-03-03
1987-11-03
Bray, W. D.
Woodworking
Special-work machine
37 2R, 56 172, A16
Patent
active
047037865
ABSTRACT:
An improved stump grinding apparatus wherein the design and location of the components encourage the operator to stay at the handles which are located away from the cutting wheel while it is rotating. The cutting wheel rotates whenever the engine is running, and, because the apparatus is supported by a pair of tires and its weight is balanced slightly forward of the tires (the end with the cutting wheel), the rotating cutting wheel will fall to the ground whenever the operator lets go of the handles. Further, because the underside of the cutting wheel is exposed at all times, if the operator releases the handles without first stopping the engine, the cutting wheel will dig into the ground. The apparatus also has an angular side chute aft of the cutting wheel which deflects wood chips from the stump being ground to the side of the apparatus.
REFERENCES:
patent: 3336958 (1967-08-01), Carlton
patent: 4402352 (1983-09-01), Hodges
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