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Class 172/221 - Plural tools shifted about individual vertical axes


Subclass of Class 172 - Earth working
Definition: Apparatus including a plurality of earth working elements,
No. of patents: 6
Last issue date: 06/30/1998


NumberTitleIssue Date
5771979Bi-directional moldboards supports used in moldboard plows to carry out conservation tillage
In accordance with the present invention, there is provided a tillage conservation plow (100) for plowing the earth and exposing, on the surface of the earth, weeds and past harvest residue. The plow includes a hitch frame (1) and a framework (2) connecte...
06/30/1998
5454434Agricultural plow
An agricultural plow comprising a frame beam adapted to be inclined relative to the direction of plowing, and a plurality of tilling apparatus respectively connected to the beam by pivot connections, the pivot axis of each such pivot connection extending ...
10/03/1995
5199503Plow
The plow comprises a carrier frame (1) supporting a horizontally rotatable frame (3). The working members in the form of left- and right-handed plow bodies are fixed on the rotatable frame (3). The rotatable frame (3) is mounted in such a manner as to be ...
04/06/1993
5135056Plough apparatus
Plough apparatus comprising a wheeled support structure (10) that supports a plough beam (20) that is pivotable in a horizontal plane about the center of the support structure between first and second plough beam positions. The plough beam (20) carries a ...
08/04/1992
4984638Plow with symmetrical bodies having concave vertical and horizontal cross-sections
A plow having symmetrical mold-boards and bodies, the plow comprising a hitch 1 connected in particular by means of a pivot 3 and to a main frame 4 which is provided with a pivot 18 receiving a hydraulic actuator 17 whose action causes a beam 8 to pivot a...
01/15/1991
4216730Side hill bed shaper and planter
A cottonseed planter for planting cottonseed along a selected side of a raised bed is disclosed. The planter is adapted for two-way operation through the field and includes a tool bar frame having ground engaging means. Multiple seeders are supported on t...
08/12/1980
 
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