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Class 172/770 - Angularly related tool surfaces


Subclass of Class 172 - Earth working
Definition: Apparatus wherein the tool comprises two portions or surfaces
No. of patents: 30
Last issue date: 06/13/2006


NumberTitleIssue Date
7059257Minimum till seeding knife
The present invention relates to a knife for and a method of zero till or minimum till seeding and fertilizing. The knife is particularly adapted for dry land conditions producing minimum solid disturbance and very shallow operation. The knife has a high penetration...
06/13/2006
6877568Tillage sweep
A tillage sweep includes an elongated nose portion having forward cutting edges which are straight and diverge at an angle of approximately 45 degrees from a leading point. The top of the nose viewed from the side is straight and angles upwardly at an angle of appro...
04/12/2005
6745709Replaceable ground engaging tip and wear resistant insert therefor
A ground engaging tip for a seed boot attachment for depositing a seed within a furrow. The tip including a conical shape member formed of three generally planar shape side surfaces wherein two of the side surfaces meet to form an inclined leading edge extending fro...
06/08/2004
6422323Tillage tooth for use in an implement providing a smooth finish
A tillage tooth for use in an implement which performs shallow tillage with tillage discs followed by chisel plows with winged points performing primary tillage in strips of untilled soil left by the forward discs. The points include wings mounted to eith...
07/23/2002
6199639Hilling spade
A hilling spade according to the present invention has a pair of moldboards or wings defining a plowing angle having a pointed forward end. Each wing has a central planar surface, a cutting edge, and a lower curved surface between the cutting edge and the...
03/13/2001
6026908Blade, particularly for blade-bearing chassis
A blade includes at least one blade body attached to a chassis to be hitched to a tractor vehicle. The blade includes at least one part which is laterally inclined in relation to a vertical plane parallel to the tractor vehicle's line of advancement. This...
02/22/2000
5695011Gardening hand tool
A multipurpose work-saving and ergonomically designed gardening tool useful for transplanting seedlings and other gardening tasks. A creased metal blade has a faceted cutting edge with straight sides. A cylindrical handle supports the flat end of the blad...
12/09/1997
5531277Bent wing sweep
A cultivator sweep includes a body with a forward point and wings diverging outwardly in the rearward direction. In one embodiment, a row side sweep includes a row side wing angled upwardly from the horizontal at an angle of approximately 27 degrees, and ...
07/02/1996
5499686Deep tillage winged sweep
A long wearing deep tillage sweep includes a central point member having a leading tip and attached to a shank at an angle to the horizontal of approximately 30 degrees. A pair of wings having the shape of a parallelogram are fixed to the lower, forward p...
03/19/1996
5497836Row cleaner
A row cleaner comprising a pair of ground engageable finger wheels which are angled with respect to each other so they converge forwardly toward the center of their normal path of travel. Each of the finger wheels includes a central disc-shaped portion ha...
03/12/1996
5461994Seed drill planting assembly
A seed drill includes a novel planting assembly combining press wheels for packing angular sides of a furrow and a runner immediately behind and longitudinally aligned with the press wheel. The runner extends rearwardly from beneath the press wheel and is...
10/31/1995
5415236Subsoiler having rearwardly disposed soil fracturing structure
The subsoiler has shank assemblies which are designed to cut a thin, clean slice in the soil without frontal upheaval forces that would cause eruption of the soil in a turbulent manner ahead of the shank line. The soil lifting components at the bottom of ...
05/16/1995
5373904Cultivator blade
A blade construction for a cultivator blade or a cultivator sweep, wherein the blade is adapted to sever plants from the ground by digging up the roots, to permit collection of the plants and subsequent separation of the fruit contained thereon. The blade...
12/20/1994
5314029Pyramidal shaped, hardened insert for an agricultural tool
A self-sharpening pyramidal shaped insert of a refractory hard metal for use as a leading penetrating element of a soil opener member of an agricultural tool. The insert includes a boss member of a generally frustoconical shape including a circular bottom...
05/24/1994
5309852Seed drill
A seed drill includes a novel planting assembly combining press wheels for packing angular sides of a furrow and a runner immediately behind and longitudinally aligned with the press wheel. The runner extends rearwardly from beneath the press wheel and is...
05/10/1994
5248000Harrowing device
A harrowing device for harrowing a ground surface includes a haulable frame. A plurality of blade holders are secured to the frame, and extend downward from the frame. The blade holder has a cavity, a pair of holes, a pair of inclined interior face in the...
09/28/1993
5176209Cultivator sweep
A cultivator sweep or shovel includes a rigid generally arrowhead shaped body having a central mounting flange enabling attachment to a support shank or tine. The sweep has rearwardly diverging primary cutting edges and one or more outwardly and forwardly...
01/05/1993
5050685Split bentleg plow
A bentleg plow apparatus has a forward direction and includes a mounting frame, an upper blade-like portion secured to the frame and extending generally downwardly, a first lower blade-like portion connected to the upper portion and extending downwardly a...
09/24/1991
4850435Cultivator sweep with pair of rearwardly extending downturned rigid flaps
The convex upper surface of the generally triangular sweep has oppositely inclined, lateral faces that diverge from the forwardmost point of the sweep and serve to loosen and lift the soil while the outer cutting edges sever subsurface roots of weeds and ...
07/25/1989
4301871Soil cultivating machines
A cultivating machine has soil working members journalled in a hollow frame portion. Each member includes a harrow with supports and downwardly extending strips attached to the supports. The lower strip ends each mount a curved blade that is pointed in th...
11/24/1981
4175341Subsurface cutting tool for a tractor ripper shank
A cutting tool for attachment to the end of a tractor mounted ripper shank for use in severing wooden debris below the ground surface. A tool socket receives the lower end of the ripper shank while a blade block secured to the socket is provided with a tr...
11/27/1979
4117611Digging teeth for an excavating bucket
An improved excavating bucket having special excavating teeth thereon for use with a backhoe type digging machine. The teeth are affixed in spaced relation to a leading edge of the bucket, with there being a central and a lowermost tooth; opposed, interme...
10/03/1978
4082150Land levelling equipment
A basic land leveller has the side plates and moldboard carriers. Angle irons are welded to the top of the carriers to form the moldboard carriers into a rigid structure and to form a guide for the wheel booms extending behind the leveller and a tongue ex...
04/04/1978
4047577Discharge controlling plow sweep
A plow sweep is provided including a shovel body defining a central front to rear extending axis and having a pair of first and second rearwardly divergent blade arms disposed on opposite sides of the central axis and joined at their forward ends along th...
09/13/1977
4037669Tine cultivator
A cultivator or rotary harrow has rotatable soil working members with tines that are driven to rotate about upwardly extending axes. Each tine has a fastening portion that is secured to a support, and a lower soil working portion. In one embodiment, the c...
07/26/1977
4033418Tine mounting for rotary harrow including U-shaped recess
A rotary harrow has soil working members, each of which includes a tine mounting wherein a horizontal support has a holder with a tine at one end, or both ends. Near the top of the fastening portion are one or two recess stops that are engaged by tighteni...
07/05/1977
4033271Apparatus for subsoil application
A knife for applying substances such as fertilizer in solid, liquid or gaseous form cuts a slice in the subsoil with its leading, rearwardly inclined cutting edge and simultaneously firms up and maintains the lower portions of the sides of the slice in re...
07/05/1977
4015666Sod undercutting knife
An undercutting knife for a sod cutting machine. The knife has an undercutting blade having a front portion and an upwardly bent rear portion. Connected to the rear portion are two support and guide members, one at each edge of the blade. Each support and...
04/05/1977
4002209Soil working tines and their mounting
A tine mounting and tine both comprise a rotatable soil working member for a harrow designed to resist damage from stones and other debris on or in the soil. The mounting has an upper shaft that defines an axis of rotation and a holder with a bore that ex...
01/11/1977
3995699Replaceable insert for agricultural disc
A replaceable tool for attachment to the periphery of an agricultural disc is formed of an inverted U-shaped investment casting which can be fitted over the marginal edge portion of the disc to present parallel leading and trailing faces connecting side s...
12/07/1976
 
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