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5794710 |
This invention is directed to a lightweight adjustable track earth moving device. More particularly this invention is directed to an improved efficient light-weight adjustable track earth moving device which can be attached at the front ...
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4979847 |
An apparatus for pulverizing and spreading the gravel ridge formed by plowing the shoulder portion of a gravel road onto the travelled portion thereof includes a frame for towing behind a vehicle, vertically adjustable rear wheels on the...
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4573826 |
The unit comprises a power-driven horizontal rotor including a shaft carrying radially mounted tool sets comprising hammers swivel-mounted at at least an intermediate point of the major dimension thereof. Upstream of the shaft there is a...
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4560009 |
An improved apparatus for pulverizing aggregate masses of frangible materials deposited on and below earth surfaces, the apparatus having a frame; a power driven, substantially cylindrical rotor mounted on the frame and providing a plura...
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4502547 |
The presence of rank vegetation or loose crop residue on the soil surface (straw, maize stalks etc.) is always troublesome to ploughs, cultivators, seed drills and other agricultural implements required to slice vertically through and pe...
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4412587 |
A soil working machine has a working member with element blades and a scraping member that releases clods cut out by the working member so that the clods drop to the ground. Both of the members can be positively driven in the same direct...
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4294181 |
A subsoil implement is disclosed that utilizes a horizontally rotatable disc that is moved beneath the surface of the ground for the purpose of cultivating or for producing a sub-surface bed for placing flowable material such as seed or ...
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3954143 |
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 radiall...
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3920078 |
A trash-clearing attachment for agricultural implements has a blade disposed in a horizontal plane between the implement frame and a tool therebelow and secured to an upright shaft for rotation about the longitudinal axis thereof. The sh...
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3794122 |
A snow conditioning machine for conditioning snow at ski areas to give it a proper texture for skiing even after it has become packed hard or become icy including a rotating member having radial teeth that intermesh with stationary teeth...
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3698485 |
A power driven, rotary soil tillage device in which a driven shaft having spaced rotary tillage members with soil engaging blades is provided with soil erupting chisel point members that extend from a point above and behind the driven sh...
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3628611 |
When a grain drill moves across a field in a sowing operation the row of drill stems gathers stalks, stubble, and weeds which become aligned laterally and drag dirt along, either raising the drill stems from the ground or creating too mu...
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