Soil working machine

Details Soil working machine Soil working machine

1979-09-10

1981-07-21

Shapiro, Paul E.

Earth working

With drive means for tool or cleaner

With specific relationship of mast-type hitch to implement

172 49, 172 68, 172125, 172555, A01B 3302, A01B 3308, A01B 3310, A01B 3314

Patent

active

042793106

ABSTRACT:
A soil working machine has at least one, preferably two rotors, one of which is at a higher working level than the other to achieve a relatively large working depth. The rotors are driven through a drive gear transmission located about midway along the length of the rotors. An adjustable coupling of the machine can be used to establish either one of two positions which are offset about an axis which extends transverse to the normal direction of travel. The transmission includes change speed gears in a first gear box for connection to a tractor p.t.o. and an output of the transmission is geared to a gear wheel housed in a flat gear box, the gear wheel being in driving engagement with pinions on the rotor shafts. The entire frame can be rotated to a limited extent relative to the transmission gear box owing to a flange connection between the two gear boxes and a setting device for their relative positions to one another.

REFERENCES:
patent: 196617 (1877-10-01), Adams
patent: 278803 (1883-06-01), Lillie
patent: 381464 (1888-04-01), Crane
patent: 980484 (1911-01-01), Bradley
patent: 2908337 (1959-10-01), Surprise et al.
patent: 2943687 (1960-07-01), Merry et al.
patent: 3437061 (1969-04-01), Wells
patent: 3937285 (1976-02-01), Lely
patent: 4003439 (1977-01-01), Lely

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