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| Number | Title | Issue Date |
| 7152389 | Mower suspension system and method A front independent suspension including a first suspension arm coupled to a front side of a frame and a second suspension arm coupled to a lateral side of the frame. The first suspension arm and the second suspension arm are movable relative to the frame in respons... | 12/26/2006 |
| 7096968 | Aeration device A soil aeration device may include a plurality of arcuate blades mounted to an assembly adapted to rotate and translate the blades proximate a ground surface, thereby forming aeration pockets in the soil. In certain embodiments, the arcuate tines penetrate and fract... | 08/29/2006 |
| 6962209 | Simple, durable and easy-to-use earthworking machine A sod cutter (10) is disclosed including a frame (12) formed by welding the free edges of mount, frame and end plates (46a, 46b 46c) bent relative to one of two side plates (46) to the corresponding edge... | 11/08/2005 |
| 6923267 | Linear turf aeration apparatus A linear aeration apparatus is operable to form parallel linear aeration trenches into the surface of the ground. Aeration of highly compacted turf areas can be accomplished by first spreading a top dressing material over the surface of the field and then forming li... | 08/02/2005 |
| 6912832 | Mower suspension A suspension system for a tractor-drawn mower used for crops for agricultural purposes is made up of parallel links, connected at a first end to a frame and to a mowing unit at a second end. A torsion spring assembly, similar to that used for torsion axles, is used ... | 07/05/2005 |
| 6779611 | Walk-behind working machine A walk-behind working machine includes a motive power source, right and left transmission shafts, and a clutch for transmitting motive power from the source to the shafts. The transmission shafts are disposed in alignment with their respective ends butting against e... | 08/24/2004 |
| 6725942 | Pulverizer A pulverizer for reducing the clumpiness or aggregation of soil into clumps or clods and for screening materials, the pulverizer having a frame mounting a substantially cylindrically configured screening drum for rotation and a scoop for aiding the delivery of the m... | 04/27/2004 |
| 6467245 | Universal vibratory roller unit A vibratory roller unit for replacement of a reel cutting unit in a multiple deck lawn mower for conversion of the mower into a greensroller. The vibratory roller unit has a frame, vibratory roller and a power train. The frame, vibratory roller and power ... | 10/22/2002 |
| 6457903 | Rolling apparatus Rolling apparatus for rolling of turf or grass surfaces including a mobile main frame (11) and one or more undercarriages (45, 46) attached to the main frame (11) wherein the or each undercarriage has one or more smoothing rollers (45A, 46A) and there is ... | 10/01/2002 |
| 6371001 | Mine-clearing apparatus An apparatus for clearing mines set in the ground has a vehicle body adapted to travel along the ground in a horizontal travel direction, a drum mounted at a front end of the body and rotatable in a rotational sense about a horizontal axis generally perpe... | 04/16/2002 |
| 6142239 | Core guide apparatus for aeration core harvesting machine A core harvesting machine that can be mounted to the rear of a conventional aeration machine to receive green cores directly from the aeration machine without having the cores discharged to the ground. The core harvesting machine has a rotating brush core... | 11/07/2000 |
| 6017169 | Remediation of earthen material Apparatus for in-situ remediation of contaminant-bearing earthen material includes a generally cylindrical tined assembly; a housing for mounting the tined assembly for rotational motion; an hydraulic driver for delivering torque to rotate the tined assem... | 01/25/2000 |
| 5623996 | Aerator A compact lawn aerator comprises a rigid frame having a hitch for releasably fastening tire frame to the back of a self-propelled mower. An elongated axle is secured to the under side of the frame and a set of aerator wheels are rotatably mounted at space... | 04/29/1997 |
| 5460229 | Field aerator apparatus Apparatus useful for aerating soil, especially grass or hay ground. The apparatus is intended to be towed by a farm tractor, and the apparatus includes elongated spikes on a cylindrical drum. As the apparatus is towed across a field, the spikes penetrate ... | 10/24/1995 |
| 5265681 | Landscape levelling and raking apparatus A landscape leveling and raking apparatus has a frame, a handle protruding upwardly from the frame, a rake pivotally coupled to the frame to protrude downwardly and rearwardly therefrom, a screed fixed to the frame forwardly of the rake, a plurality of ti... | 11/30/1993 |
| 5209306 | Turf aerator with improved bearings for lateral tine movement An apparatus for aerating turf including a mounting frame (11) for mounting the apparatus to the hydraulic lift system (12) of a utility tractor. A trailer support frame (13) is pivotably mounted to the mounting frame (11) so as to enable the trailer supp... | 05/11/1993 |
| 5029652 | Turf aerator with lateral tine movement An apparatus for aerating turf including a mounting frame (11) for mounting the apparatus to the hydraulic lift system (12) of a utility tractor. A trailer support frame (13) is pivotably mounted to the mounting frame (11) so as to enable the trailer supp... | 07/09/1991 |
| 4411321 | Cultivating implements A cultivating implement to be carried by a vehicle comprises a frame (10) having spaced and opposed members (11, 12) between which a tine-carrying bar (13) is supported for gyratory motion the direction of which is counter to the direction of forward rota... | 10/25/1983 |
| 4252199 | Soil working machines A soil working machine has elongated carriers that extend transverse to the direction of travel, one behind the other. Eccentric mechanisms are attached to each carrier to move tools depending from the carriers, back and forth in directions parallel to th... | 02/24/1981 |
| 4207949 | Machine for the root-pruning of plants growing in rows A machine is provided for the root-pruning of plants growing in rows, such that the root system of the plants will be small in circumference but finely-branched. The machine has, for each plant row, a knife unit for forming a groove in the ground and root... | 06/17/1980 |
| 4202415 | Soil cultivating machine A machine for cultivating the soil has a main transverse beam carrying a transverse tool shaft, and a gear box for driving the tool shaft. The beam has a frame for attaching the machine to the conventional three-point hydraulic system of a tractor, the tr... | 05/13/1980 |
| 4189006 | Soil cultivating implements An implement has rows of tines on carrier supports that are elongated and extend transverse to the direction of travel. A transmission shaft with pairs of eccentrics is positioned between the supports and connected to move the tines of the supports to and... | 02/19/1980 |
| 4139318 | Method and apparatus for planing a paved roadway A method and apparatus for planing a paved roadway wherein a main frame is drivingly supported by track assemblies and a planer assembly is disposed in cutting engagement with a top portion of the paved roadway to produce a new roadway surface. An elevati... | 02/13/1979 |
| 4029154 | Soil cultivating machines A soil cultivating machine has a cultivating member that is driven to rotate about a support that defines a horizontal axis extending transverse to the direction of travel. Radial arms fastened to brackets along the length of the support in helical rows m... | 06/14/1977 |
