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Class 172/80 - With wheel substitute (e.g., runner, etc.)


Subclass of Class 172 - Earth working
Definition: Apparatus comprising a runner or other ground contacting
No. of patents: 11
Last issue date: 07/03/2001


NumberTitleIssue Date
6254313Turnable tractor vehicle having fixed axle
A turnable self-propelled, walk-along tractor vehicle, such as a plow for burying tubing is provided. The tractor vehicle has a pair of drive wheels rotatably mounted on a fixed axle in the front of the vehicle, a back support means, a U-shaped turning br...
07/03/2001
5048617Hand-held tiller machine
A hand-held tiller is adapted for use in loosening and breaking up the soil and is made up of a skid, an elongated handle extending forwardly of the skid with a drill motor at one end of the handle which is drivingly connected into a power transmission dr...
09/17/1991
4391051Machine arrangement for forming tracks and/or levelling surfaces related to cross-country ski trails or downhill ski slopes
An apparatus for making ski tracks and/or levelling ski slopes is mounted in front of a driving vehicle so as to be freely vertically movable relative to the vehicle to adjust its position to varying snow heights encountered in treating the snow cover. Fr...
07/05/1983
4348825Tracking or grading unit for ski-trails and paths
A tracking or grading unit for ski-trails and paths, comprises a sliding arrangement having at least one sliding or rolling front and rear support and a frame upon which the supports are mounted. The unit includes a cutting device which is adjustable in h...
09/14/1982
4300639Soil cultivating machines
A soil cultivating machine has a row of cultivating members which are mechanically driven and rotatable about upwardly extending axes positioned on a transverse row. An elongated, transverse hollow frame portion supports at least twenty shafts of the cult...
11/17/1981
4240508Power-driven rotary ground working implement
A ground working implement comprises a frame, a rotary ground working unit supported by the frame and rotatable about a horizontal axis, a transmission for the working unit, a cover assembly covering the working unit and including a movable cover, and a h...
12/23/1980
4217835Depth control and seed boot assembly for tillage apparatus
A depth control skid and seed boot assembly is disclosed that is particularly useful in a sod seeding implement for adjusting the maximum depth of cut of a cutting wheel and for adjusting the depth of the seed boot independently of each other. An arm rota...
08/19/1980
4088195Soil cultivating implements
A cultivator has a row of soil working members journalled in an elongated frame portion. The frame portion is supported on side-by-side elongated elements that extend generally parallel to the direction of travel. The elements are preferrably curved and c...
05/09/1978
4042041Rotary harrows
A rotary harrow has soil-working members that are protected and, to some extent, supported from the ground by an elongated transverse beam that is pivoted to the front of the frame. The beam is spring biased to an operative location adjacent the soil-work...
08/16/1977
4016933Rotary harrows
A rotary harrow has a plurality of soil working members each of which has a support and a central shaft that forms the axis of rotation of said member. Each support has a holder at each end thereof and a downwardly extending tine secured in each holder. T...
04/12/1977
3960219Soil cultivating implements
A soil cultivator has at least one rotor mounted for rotation about a horizontal axis and rows of rigid soil working tines are secured on the rotor to be driven through the soil in a direction opposite to the travel direction of the cultivator. The tines ...
06/01/1976
 
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