Earth working – With drive means for tool or cleaner – Tool driven about axis transverse to draft line
Patent
1979-11-14
1981-09-22
Marlo, George J.
Earth working
With drive means for tool or cleaner
Tool driven about axis transverse to draft line
172125, 172713, A01B 3302, A01B 3310
Patent
active
042904889
ABSTRACT:
The invention relates to a public works machine constituted by a frame, by moving members with which the said frame rests on the grounds, by a device for driving the said moving members and, by a wheel provided with teeth for penetration into the ground, which wheel is mounted to rotate about a horizontal and transversal axis, and is coupled to a device for driving it into rotation whilst being adapted to be held in one position wherein the distance between the axis of the said wheel and the ground is less than the distance separating said axis from the free end of a tooth, whereas a synchronizing mechanism holds substantially constant the ratio of the rotation speed of the wheel to the linear speed of the moving members.
The profile of the active face of each tooth is an involute profile defined by the substantial lack of pressure exerted by said profile on the ground during the rotation of the wheel.
The invention finds an application in the production of channeling machines.
REFERENCES:
patent: 3120279 (1964-02-01), Horowitz
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