Class 172/63 - With non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.)

Subclass of Class 172 - Earth working
Definition: Apparatus which have a plurality of earth working elements,
No. of patents: 32
Last issue date: 12/04/2007

Number	Title	Issue Date
7303025	Motor-driven work apparatus A rotatably driveable work tool (1) of a motor-driven work apparatus has, at a front end (2, 3), an end plate (5, 6) lying perpendicularly to a rotational axis (4). The end plate (5, 6) has an outer diameter (DR) which i...	12/04/2007
7302765	Implement attaching apparatus An apparatus for connecting a mechanized implement to an all-terrain vehicle having an undercarriage with a front axle and a rear axle includes a unitary frame having a base connected to the unitary frame and a swingable portion. The mechanized implement includes an...	12/04/2007
6334269	Winch actuator for ATV An actuator for raising and lowering a blade mounted to a vehicle. A winch assembly is mounted to the blade and is powered by the vehicle battery. The motor has a low amperage draw and has a gear reduction unit to provide mechanical advantage. The cable e...	01/01/2002
5509488	Device and method for clearing trees/bushes and tilling soil A cutter, device and cutting method utilizing the same including cutter blades which work soil and wood material and which are arranged on a cutter drum to rotate and by-pass a counter blade. The device includes a tamping drum which is displaceable in rel...	04/23/1996
5450907	Rock collecting implement An implement for gathering objectionable rocks and debris from the ground including a positive stop for limiting the range of displacement of the gathering mechanism relative to the ground. In the embodiment described, the gathering mechanism comprises a ...	09/19/1995
5303662	Minimum tillage tool bar and method for using same A minimum tillage farm implement capable of being used for plowing, cultivating, planting and insecticide and herbicide and fertilizer application, which includes a tool bar frame having three parallel spaced apart laterally positioned tool bars held toge...	04/19/1994
4856597	Soil working machine A soil preparation machine is pulled by a tractor across a field in which rows of plants and tracks followed by the tractor are at permanent locations from season to season. Soil from between the remains of two rows of the previous season's plants is lift...	08/15/1989
4796711	Apparatus for removing plastic film from raised plant beds An apparatus used in agriculture and more specifically to an apparatus for removing the plastic film cover from raised plant beds in which the edges thereof are tucked under soil placed in overlying relation to the downwardly inclined side edges of the pl...	01/10/1989
4624197	Minimum tillage toolbar and method for using same A minimum tillage farm implement capable of being used for plowing, cultivating, planting and insecticide and herbicide and fertilizer application, which includes a tool bar frame having three parallel spaced apart laterally positioned tool bars held toge...	11/25/1986
4552079	Machine for planting seeds A machine for planting seeds includes a rotary soil lifting device which lifts broken-up soil, a tamping roller which tamps the remaining broken-up soil, an arrangement for placing seeds onto the upper surface of the tamped layer of the ground, and an arr...	11/12/1985
4421177	End drive rotary cultivator A rotary cultivator is disclosed which is adapted to be supported upon a rear-mounted tractor hitch. The cultivator includes a tined cultivation shaft and a hydraulic motor and drive mechanism for driving one end of the shaft. The cultivator includes an a...	12/20/1983
4391051	Machine 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
4382472	Plow A plow has coupling members at its forward side for connection to a multi-point hitch of a tractor. Furrow slicing members at the front form furrow slices which are elevated to furrow turning drums during operation. The furrow slices are turned about thei...	05/10/1983
4358905	Power dozer This invention is directed to a unique method of moving earth and an earth moving device which can be attached at the front end of an endless track vehicle and used for moving earth into a ditch or excavation. The apparatus for moving earth comprises: (a)...	11/16/1982
4348825	Tracking 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
4295531	Auger-equipped plow A ground working implement is provided wherein a motor driven auger is positioned beneath and partially enclosed by a truncated V-shaped plowshare. The auger contributes to the forward movement of the implement. The space between the auger and the plowsha...	10/20/1981
4270615	Soil cultivating devices An implement has a row of plough bodies mounted to rotate about upwardly extending axes defined by shafts that are inclined in the normal direction of travel. The plough bodies are flat support members with side edges that taper downwardly. The side edges...	06/02/1981
4206814	Knife sled cultivator with weeder bar A farm implement having a main frame; at least two carriage wheels for supporting the frame; a plurality of brackets mounted in pairs on the frame, each pair of brackets defining a sled; a plurality of knives mounted on each sled in a generally horizontal...	06/10/1980
4191258	Soil cultivating implements An implement attachable to the lifting links of a tractor has at least one, preferably two, rows of tines fixed to respective transverse frame beams. Between the rows of fixed tines, a supporting roller is pivoted to the frame. The roller can be adjusted ...	03/04/1980
4151883	Soil cultivating machines A cultivating machine has tines mounted on an elongated horizontal support that is driven to move the tines forwardly through the soil towards the normal direction of travel. The tines are in groups along the length of the support and each group has a num...	05/01/1979
4144938	Soil cultivating implements A cultivating implement has a row of soil working members that are driven to rotate about upwardly extending axes and work overlapping paths. The working members each have freely rotatable tools which turn about further upwardly extending axes responsive ...	03/20/1979
4136745	Soil cultivating implements An implement has one or more rows of tines fixed to frame beams and the lateral sides of the frame have adjustable ground wheels to control the working depths of the tines. A further soil working member is connected at the rear of the frame by parallelogr...	01/30/1979
4132275	Rotary harrows A rotary harrow has a plurality of soil-working members rotatably mounted on upwardly extending shafts and the shafts are journalled in an elongated frame portion that extends transverse to the direction of travel. A protective and supporting member of el...	01/02/1979
4128129	Soil cultivating implements A soil cultivating machine has a row of tined rotors on an elongated frame portion that extends transverse to the direction of travel. An elongated soil crumbling member is pivoted to the frame portion at the front of that portion and settable to level th...	12/05/1978
4113026	Soil cultivating implements An implement has a row of tined motors that work a broad path of soil. Immediately in front of the rotors is a soil displacing elongated bar that is held to penetrate and raise a shallow layer of soil which is thereafter deposited immediately in front of ...	09/12/1978
4111263	Soil tilling machines A tilling machine has a frame with a row of tines or rotatable tined soil working members in a row that extends transverse to the direction of travel. A drive is connected to rock the tines or rotate the tined members during operation. The same drive has ...	09/05/1978
4088083	Rotary harrow and attachments A tillage machine includes a main frame that supports rotary soil working tined members and various additional tools that can be detachably fastened to the main frame in combination with the rotary tined members to landscape in one pass. For primary use, ...	05/09/1978
4057110	Rotary harrows A harrow attachment has side-by-side rotary soil-working members mounted on upright axes journalled in a frame. A delivery mechanism with an elongated hopper and agitators and/or other feeding mechanisms can be connected to be rotatable and driven by the ...	11/08/1977
4042041	Rotary 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
3978929	Rotor tiller with attachment therefor A wheeled attachment arm assembly, mountable alongside a power rotor tiller apparatus to which a rake or a blade may be fastened for preparing the surface of the ground, prior to tilling it. The assembly incorporates an arm which is threaded into and exte...	09/07/1976
3931858	Cultivating machine A tractor-mounted cultivator is combined with a frame on which fixed cultivating tools are mounted. The fixed tools extend behind the rotary cultivator to break up ground below the level of rotary cultivation. The frame is releasably attached to the rotar...	01/13/1976

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Class 172/63 - With non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.)