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7472759 |
A walk aerator comprises a frame supported by a plurality of ground engaging wheels, the frame carrying a coring head having a plurality of side-by-side tine assemblies. The wheels define a wheelbase which is substantially equal to or le...
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6898502 |
A function changing system of construction machinery includes a hydraulic excavator and a base station. The hydraulic excavator is deployed at a construction site and is provided with a rewritable memory storing control programs and/or d...
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5557510 |
A control system for an agricultural implement such as a large round baler includes a microprocessor-based implement module mounted to the baler and a microprocessor-based input device mounted within the cab of the tractor behind which t...
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5346018 |
An inventive three-point hitch assembly that attaches to the front end of a truck or pickup and supports at three points a plurality of implements or tools. It has a belt-driven power take-off for rotary tools that is controlled by an el...
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4838357 |
A selector or shift lever manipulates gears in a ground wheel transmission to select a running mode when moved in the transverse direction, and manipulates gears in a plow transmission to select the rotating direction of a rotary plow wh...
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4831891 |
A power transmission device for a tractor in which a main shifting device and a secondary shifting device are disposed in front and back of one another within a transmission case which is mounted on a rear part of the tractor body is dis...
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4753298 |
A turf aerator includes a wheel-supported frame and drive means for propelling the frame across the ground at a predetermined rate. A pair of substantially vertical tine arms each having a plurality of downwardly directed turf coring tin...
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4716665 |
A foldable trencher boom assembly including a first boom portion pivotally connected to a second boom portion by a hinge. One leg of the hinge is connected to the first boom portion while the other leg of the hinge is connected to the se...
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4660649 |
A retractable in-row tiller device is adapted for mounting on a movable vehicle and for tilling the ground around and between objects in a row. An outrigger arm with a rotary tiller mounted on its distal end is retracted inwardly and ext...
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4538400 |
A mower embodies a translatable main frame connectable to a towing vehicle having a power take-off unit connectable to a transmission carried by the main frame. At least one translatable wing frame is hingedly connected to an adjacent si...
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4137853 |
A pull type folding grain drill driven by the gauge wheels including pivoting legs carrying the gauge wheels which drive a clutch shaft through a first chain and sprocket drive, the clutch shaft axis being offset from the pivoting leg ax...
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3941193 |
Disclosed is a tilling apparatus characterized by a regulating drive connection between the towing tractor drive axle and the tiller shaft, the tiller tines having a modified arcuate configuration which provide a pocketed, rather than a ...
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3621920 |
Lawn-aerating apparatus for punching a multiplicity of holes in terrain comprising an electric motor carried on a wheeled frame and coupled to a plurality of spiker rod elements. In a first embodiment the rotary drive cooperates with a c...
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3291222 |
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3247654 |
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3229452 |
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3169358 |
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3110275 |
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3108642 |
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2914006 |
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2905253 |
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2901257 |
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2892504 |
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2880811 |
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2792065 |
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2750859 |
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2679794 |
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2659447 |
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2638831 |
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2603172 |
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2603137 |
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2528270 |
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2426545 |
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2351518 |
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2339689 |
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2306902 |
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2227650 |
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1923253 |
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1880113 |
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1868770 |
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1843095 |
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1781829 |
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1751887 |
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1729969 |
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1715198 |
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1701893 |
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1560315 |
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1551398 |
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1477676 |
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1418159 |
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