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Class 172/446 - Laterally adjustable tool


Subclass of Class 172 - Earth working
Definition: Apparatus in which there are means for holding an earth
No. of patents: 30
Last issue date: 07/26/2005


NumberTitleIssue Date
6920941Adjustable grass treatment apparatus
A grass treatment apparatus is adapted to be coupled with a propellant vehicle in order to be movable over the ground and which mounts a plurality of grass treatment units which are engageable with the ground in order to carry out required grass treatment operations...
07/26/2005
6910400Machine tool
In a machine tool comprising a spindle mounting slide which is driven by a linear electric motor and which runs in a vertical direction in a slideway, the slide is equipped with a counterweighting device comprising an elastic element and a roller chain, the rigidity...
06/28/2005
6585056Machine with a multifunctional chassis for working the soil in tree or shrub plantations
Machine for working the soil in tree or shrub plantations, consisting of a chassis (1-2) equipped with mechanisms (4-5a, 11, 11) allowing it to be mounted on the universal three-point hitch system of a farm tractor and consisting, laterally, of mechanisms...
07/01/2003
6352125Side-by-side three-point hitch
Apparatus for maintaining a tool bar in a controlled position behind a tractor having a conventional three-point hitch arrangement including an upper arm and a pair of lower lift arms. The apparatus has a tool bar positioned near the tractor extending in ...
03/05/2002
5971082Hitch assembly with variable pivot point
A hitch module for a track-type work machine in which the pivot point of a towed work implement is varied by selectively positioning a pair of links joining the work machine to a hitch frame....
10/26/1999
5931234Multi-purpose retractable tractor toolbar device
The present invention is a multi-purpose tractor toolbar device which is designed to be attached to a conventional tractor. The toolbar includes a first frame section and a second frame section. The first frame section is slideably mounted to the second f...
08/03/1999
4825956Tractor and implement with implement inclination control
A roll control structure adapted to automatically control an earth working machine, such as a rotary cultivator so that the machine becomes horizontal in the lateral direction irrespective of the inclination of the ground surface, i.e., in such a manner t...
05/02/1989
4821807Row crop tillage and planting unit guidance system
An appaatus is provided for automatically longitudinally shifting a horizontal transverse tool bar and the tillage unit or units supported therefrom relative to the lift hitch of a tractor from which the tool bar is supported responsive to crop row sensin...
04/18/1989
4729435Subsoil tilling implement
An agricultural tilling implement is described which is adapted to be connected to the rear of a tractor having a three-point hitch. The implement comprises an elongated tool bar which preferably has two attachments thereon, spaced from each other, for co...
03/08/1988
4679634Apparatus for extending the frame of a tractor
An apparatus for extending the frame of a conventional tractor whereby an agricultural implement may be mounted between the front and rear wheels of the tractor. A tractor is converted to an extended frame tractor by dismounting the front wheels of the tr...
07/14/1987
4564073Plow or harrow
An improvement of a plow or a harrow of the type in which a plurality of saucer-like disks carried by a rotary shaft inclined at an angle with respect to the direction of travel of a tractor are forced to rotate, thereby plowing uncultivated farm land. Th...
01/14/1986
4561505Hinge mechanism for folding tool bar assembly including hook engageable over pivotal connection
This invention relates to a folding tool bar assembly having a central tool bar structure and wing members hingedly mounted adjacent opposite ends thereof, with hinge mechanism pivotally connecting the respective wing members to the structure for movement...
12/31/1985
4535847Tractor with three-point linkage connecting scraper thereto and automatic tilt control
A seated-operator type tractor has a vehicle proper (1), equipped rearwardly thereof with a link mechanism (6) and a scraper (9) for ground-leveling. The vehicle (1) is further provided with: a position-controlling mechanism (34) for controlling up-and-do...
08/20/1985
4402367Folding tool beam and lift assembly
A pair of tool beams with support hitches for ground working implements, the support hitches being placeable at desired positions along the tool beams. By placement of hitches at desired positions, old and new implements for working different numbers of r...
09/06/1983
4363362Multiple machine for row-cropping with vertically operating axes
An earth tilling machine is provided having a structural frame on which a plurality of earth working units are mounted and operable to cultivate or till the soil. Each earth working unit includes an earth working head having a plurality of earth working r...
12/14/1982
4350211Adjustable pattern cultivator
An implement for general purpose broadcast or precision row crop cultivation comprising a central frame and two hingedly connected wings, or outer frames, all adapted for attachment of plow shanks at essentially any lateral position. The center frame incl...
09/21/1982
4336846Agricultural folding tool bar
A tool bar having a hollow central section and oppositely extending offset hinged wings movable from a generally horizontally transversely extending working position to a folded transport position. A hydraulic cylinder is positioned in the central section...
06/29/1982
4286918Implement transporter
An implement transporter including a trailer carried by two wheels or a pair of rear wheels and a pair of front wheels on axes of rotation with a lifting mechanism for lifting an implement carried by the trailer. One end of the arm is pivotally connected ...
09/01/1981
4281720Lift mechanism mounted within hollow main tool bar and auxiliary tool bar moved thereby
An apparatus which is enclosed within a main tool bar carried by a vehicle and is used to raise and lower an auxiliary tool bar or other implement carrier such as a row marker. The apparatus includes a frame having a first portion of a cross-sectional siz...
08/04/1981
4228861Folding track removing implement
A folding implement mountable on the three-point hitch of a tractor has a U-shaped, downwardly oriented, central member with a horizontal wing extending laterally from each side of the central member, behind the rear wheels of the tractor. Each horizontal...
10/21/1980
4222583Upper link storage device
An upper link storage device having a post secured to the cross bar of an inverted U-shaped bracket. A sleeve slidably retained on the upper link engages the post to positively arrest the upper link....
09/16/1980
4198074Work implement mounting structure
A structure for mounting a work implement on a tractor in which each of the right and left coupling means may be attached to the work implement in two alternative transversely reversed positions. This arrangement provides positional adjustment of the work...
04/15/1980
4195860Offset adapter
An offset adapter dimensioned to connect different farm implements in offset relation to a tractor with a three point lift. The adapter is reversible to offset the implement to the right or to the left, and it is constructed to facilitate vertical adjustm...
04/01/1980
4153116Implement with angled beam and mounting structure for connection to a three arm lift
A fully mounted implement for working the soil comprising a main frame formed by an angled beam, two transverse beams and a longitudinal beam, soil working elements arranged along the angled beams which is at an angle between 35° and 70° to the longitud...
05/08/1979
4114695Rotary harrow with pivotable coupling assembly
An implement has an elongated frame that extends transverse to the direction of travel and soil-working members rotatably mounted on a portion of the frame that depends from spaced apart, forward and rear frame beams. A coupling assembly having coupling p...
09/19/1978
4088083Rotary harrow and attachments
A tillage machine includes a main frame that supports rotary soil working tined members and various additional tools that can be detachably fastened to the main frame in combination with the rotary tined members to landscape in one pass. For primary use, ...
05/09/1978
4060254Implement re-alignment hitch
Apparatus for maintaining an implement which is coupled to a tool bar in a controlled position behind a prime mover, having a pair of rock arm devices each including a rod coupled to the bottom lift arms of the tractor's three-point hitch, each of the rod...
11/29/1977
4051904Soil cultivating implements
A soil cultivator or harrow has a row of soil working members that are driven about upwardly extending axes to work the soil. A plant screen at each lateral side of the implement has a forward guide portion that is pivoted to the front of the frame and a ...
10/04/1977
4009890Device for connecting working implement to tractor
A device for connecting a rotary tiller unit, plow or like working implement directly to a tractor by three-point link system comprises connectors each including a connecting rod and a hitch pin to be inserted into a hitch hole at the rear end of the thre...
03/01/1977
3989272Variable offset hitch
A variable offset hitch is especially adapted for selectively positioning a semi-mounted implement in a trailing, laterally offset relationship to a towing tractor having a three-point hitch. A pair of laterally spaced mounts, each having a plurality of h...
11/02/1976
 
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