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Class 172/46 - Coaxial tools oppositely rotated


Subclass of Class 172 - Earth working
Definition: Apparatus in which two or more earth working elements are
No. of patents: 3
Last issue date: 12/03/2002


NumberTitleIssue Date
6488101Tiller
A tiller for cultivating soil has a power source and a tilling shaft mounted for undergoing rotation by a driving force supplied from the power source. The tilling shaft has a hollow outer shaft and an inner shaft extending through the outer shaft. The in...
12/03/2002
3954143Rotary ploughs
A rotary plough has a rotor that rotates about a horizontal axis defined by a central support. The rotor comprises three spaced apart groups of soil working tines and each group includes a row of tines mounted on arms that extend radially with respect to ...
05/04/1976
3941193Ground tilling apparatus
Disclosed is a tilling apparatus characterized by a regulating drive connection between the towing tractor drive axle and the tiller shaft, the tiller tines having a modified arcuate configuration which provide a pocketed, rather than a furrowed or channe...
03/02/1976
 
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