Class 172/219 - Tool shifted for opposite throw

Subclass of Class 172 - Earth working
Definition: Apparatus in which the same earth working element is utilized
No. of patents: 31
Last issue date: 05/06/2008

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Number	Title	Issue Date
7367407	Towed snowplow and method of plowing A towed snowplow includes a frame which is carried by at least one wheel. The frame includes at least one moldboard and is arranged to be towed behind a vehicle and movable from a transport position directly behind the vehicle to a deployed position in which the fra...	05/06/2008
7226267	Material relocation apparatus A material relocation apparatus is provided which enables an operator to load, transport, and unload material, while the apparatus may be moving in the forward and backward directions. The apparatus includes a frame structure means, a material relocation means, and ...	06/05/2007
6915863	Planter bar support wheel assembly An agricultural apparatus comprising a carrier frame including a support surface defining an arcuate track about a pivot point, a mainframe mounted to the carrier frame at the pivot point for rotation thereabout between an operating position and a transportation pos...	07/12/2005
6116351	Multiple section reversible plough A reversible plough to be towed behind a propelling vehicle has a forward section with a number of pairs of reversible plough bodies and a rear section also having a number of reversible plough bodies. The forward section and rear section are coupled toge...	09/12/2000
5771979	Bi-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
5740868	Pressure control circuit for a combination of a reversible plough with a plurality of soil preparation devices coupled therewith A combination of a reversible plough with a plurality of soil preparation devices including an improved height control system. The apparatus includes a headstock by means of which the combination can be mounted on lifting arms at the rear of a propelling ...	04/21/1998
5707170	Connector for agricultural tubes and toolbars Tube bracket structure for a toolbar includes a pair of identical bracket halves connected by bolts to positively grip first and second fore-and-aft spaced tubes. The bracket halves include angles with horizontal flanges which embrace the top and bottom o...	01/13/1998
5701960	Reversible Plough A reversible plough, that in one embodiment is of the semi-mounted type, and comprises a main beam, a coupling structure at the forward end of the main beam, and a carrying beam. Pairs of plough bodies are mounted along the length of the carrying beam. Th...	12/30/1997
5685378	Multiple section reversible plough A reversible plough (10) which is intended to be mounted on and towed behind a propelling vehicle, and which comprises a forward section (11) with reversible plough bodies, a rear section (13), and an intermediate wheel supported section (12, 112) which s...	11/11/1997
5603381	Multi-share plough There is disclosed a semi-mountable plough comprising an elongate plough frame having a long forward frame section (1) carrying a plurality of plough bodies (2), a short intermediate section (3) pivotally connected to the rear end of the forward section (...	02/18/1997
5590722	Combination of a reversible plough and seed preparation device A combination of a semi-mounted reversible plough (10) and a seed preparation device (11) are towed behind a tractor in order to carry out a ploughing action and a seed preparation action during a single pass over the ground. The plough has a short leadin...	01/07/1997
5454434	Agricultural 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
5407015	Bottom plow and a soil breaking apparatus A soil breaking apparatus for use with a bottom plow comprises a beam pivotally attached by a bolt to the bottom plow; a port arm and a starboard arm fixedly attached to the beam; and a two-way hydraulic cylinder for pivoting the arms and the beams, such ...	04/18/1995
5407016	Plough A plough having a landslide and tilling mechanism, illustrated as a rotary disc or soil inversion wheel, which is pivotable in relation to the landslide between alternative positions providing for the left-hand or right-hand formation of a furrow, dependi...	04/18/1995
5400859	Bidirectional plow with rotatable tool bar A main frame is secured to a tractor for towing wherein the main frame is tilted as the tractor tilts to one side or the other of the path of travel. A ball and socket joint suspends the tool bar by its central portion from the main frame so that the tool...	03/28/1995
5396961	Plough frame comprising at least one body having a plough board and a single ploughshare acting in both ploughing directions A plough frame designed to be hitched to a tractor and comprising at least one body which has a plough board and a single ploughshare for both the right and left ploughing directions, said frame consisting of a coupler head (1), hinged elements which swin...	03/14/1995
5381866	Multi-share plough There is disclosed a semi-mountable plough comprising an elongate plough frame having a long forward frame section (1) carrying a plurality of plough bodies (2), a short intermediate section (3) pivotally connected to the rear end of the forward section (...	01/17/1995
5314028	Adjusting devices for a semi-mounted plough The invention relates to an adjusting arrangement in a semi-mounted, preferentially reversible plough, comprising an elongate plough frame (4-6) carrying a plurality of plough bodies (9) and being supported on wheels (11). The elongated plough frame (4-6)...	05/24/1994
5267618	Bidirectional plow with rotatable tool bar A main frame is secured to a tractor for towing wherein the main frame is tilted as the tractor tilts to one side or the other of the path of travel A ball and socket joint suspends the tool bar by its central portion from the main frame so that the tool ...	12/07/1993
5172769	Reversible tillage attachment for bidirectional mold board plow A tiller attachment for switchable bidirectional mold board plow which is adapted to be mounted onto the tool bar of the plow. The attachment includes a pair of axially spaced apart frame members which support arms joined at a right angles at a pivot poin...	12/22/1992
5154239	Reversible plow with spring-biased trip shanks A reversible plow having a plurality of spring-biased trip assemblies for mounting moldboards to a tool bar, the trip assemblies having angled, elongate slots and a pivot pin extending therethrough and adapted to allow a tripped assembly to be reset witho...	10/13/1992
5135056	Plough 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
5078217	Reversible plow A reversible plow comprising a three point hitch, a pivotally mounted tool bar provided with a plurality of adjustable plow gangs, and gauge wheels wherein said tool bar can be shifted from left of center to right of center, and back, by a hydraulic pisto...	01/07/1992
5076368	Reversible plow A reversible plow comprising a three point hitch, a pivotally mounted tool bar provided with a plurality of adjustable plow gangs, and gauge wheels wherein said tool bar can be shifted from left of center to right of center, and back, by a hydraulic pisto...	12/31/1991
5024281	Reversible moldboard plow A reversible moldboard plow has a plow carrying beam swingably mounted at the rear crossbar of a frame which carries trunnion mounted cylinders connected to the beam for moving the beam, the front of the frame carrying hitch pins for connection to a tract...	06/18/1991
5020603	Reversible plow A reversible plow comprising a three point hitch, a pivotally mounted tool bar provided with a plurality of adjustable plow gangs, and gauge wheels wherein said tool bar can be shifted from left of center to right of center, and back, by a hydraulic pisto...	06/04/1991
5000267	Reversible plow A reversible plow comprising a three point hitch, a pivotally mounted tool bar provided with a plurality of adjustable plow gangs, and gauge wheels wherein said tool bar can be shifted from left of center to right of center, and back, by a hydraulic pisto...	03/19/1991
4942928	Bidirectional moldboard plow with adjustable tilting mechanism A moldboard plow with a bidirectional moldboard which includes a moldboard frame that can turn by use of a reversal mechanism which also serves as a tilting mechanism. Included is a hitching frame which has a central pole and hitching plates, a moldboard ...	07/24/1990
4869327	Reversible one-way disk plow A reversible one-way disk plow is described which includes a frame with transport wheels and an arcuate track secured to the frame. An elongated disk plow is pivotably supported under the frame, and a plurality of gauge wheels are carried by the frame. Th...	09/26/1989
4800963	Bidirectional moldboard plow with moldboard frame including guide member A moldboard plow with a bidirectional moldboard which includes a moldboard frame that can turn by use of a reversal mechanism which also serves as a tilting mechanism. Included is a hitching frame that has a central pole and hitching plates, a moldboard f...	01/31/1989
4165787	Invertible plow construction A plow construction including a frame extending rearward from a tractor and swingable up and down relative to the tractor, a rear frame part being swingable with the frame and rotatable relative thereto about a forward and rearward axis, plow discs carrie...	08/28/1979

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Class 172/219 - Tool shifted for opposite throw