B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
97/56, 97/65
B62D 51/04 (2006.01) A01B 33/02 (2006.01) B62D 51/06 (2006.01)
Patent
CA 1173690
ABSTRACT OF THE DISCLOSURE A walk from behind soil tilling machine including ground wheels upon which the machine may be moved and two rows of ground penetrating and pulverizing tines located to the rear of the ground wheels transversely to the line of machine movement. The tines of the rear row have a larger cutting diameter than the tines of the forward row, and the rows of tines are driven in counter-rotating directions such that upon forward movement of the machine the tines of the forward row break the surface of the ground and penetrate the earth to a determined relatively shallow depth and the tines of the rear row thereupon penetrate the earth to a further determined depth, with the forward and rear rows of tines cooperating to completely pulverize both depths of penetrated soil, thereby permitting thorough tilling of the soil to normal garden depth with a single passage of the machine. Both rows of tines in the illustrated machine are carried by a transmission housing which can be pivotably positioned relative to the machine frame for selectively adjusting the respective depths of penetration of the tines of the forward and rear rows.
383720
Macrae & Co.
Roper Corporation
LandOfFree
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