Guard unit for a stump removing machine cutter wheel

Details Guard unit for a stump removing machine cutter wheel Guard unit for a stump removing machine cutter wheel

1988-11-29

1989-07-18

Bray, W. Donald

Woodworking

Special-work machine

144251R, A01G 3206

Patent

active

048484237

ABSTRACT:
The guard unit for the cutter wheel of a stump removing machine has an upper member pivotally mounted on the machine for up and down pivotal movement, within defined limits, to maintain a shield member in a continuous covering clearance with the cutter wheel during a stump removal operation. A bottom member of the guard unit has a central portion and outwardly and upwardly inclined end portions. The central portion is rideable on the top surface of a stump during a cutting movement laterally of the stump and on a reversal of the lateral cutting movement an end portion is engageable with an edge portion of the top surface to position the central portion on the stump top surface.

REFERENCES:
patent: 1312450 (1919-08-01), McKay et al.
patent: 3568740 (1971-03-01), Speakman
patent: 3732905 (1923-05-01), Pickel
patent: 4355670 (1982-10-01), Ohrberg et al.

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