Stump eradicator

Details Stump eradicator Stump eradicator

1975-06-10

1977-08-16

Simpson, Othell M.

Woodworking

Special-work machine

37 2R, 144218, 144236, 144237, 2411017, 2412921, A01G 2308

Patent

active

040419967

ABSTRACT:
Apparatus for eradicating tree stumps comprising a rotary cylinder or drum having knives or cutters around its periphery. The cutters are mounted on rings which encircle the drum. The rings have circumferentially spaced mounting surfaces which are staggered relative to one another so that the cutters when secured to the mounting surfaces are themselves staggered for more effective cutting action. The drum is supported by two rotary hydraulic and/or electric motors having aligned output shafts which are connected to the ends of the drum to support and also to rotate it. The motors are carried by the arms of a yoke. Instead of two motors, there may be a motor at one end of the drum and a bearing at the other.

REFERENCES:
patent: 346681 (1886-08-01), Perry
patent: 564747 (1896-07-01), Gutenkunst
patent: 578234 (1897-03-01), Gutenkunst
patent: 3018972 (1962-01-01), Steinmetz
patent: 3868980 (1975-03-01), Blum

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