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Tile plow

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Tile plow


A tile plow disclosed herein includes a horizontal beam, a shoe extending downwardly from the beam, a front portion including a first pair of hydraulic cylinders each pivotally coupled to a first portion of the beam, a rear portion including a second pair of hydraulic cylinders each pivotally coupled to a second portion of the beam, a leading sensor adjacent the front portion that receives a signal from a position control system and controls operation of the first pair of hydraulic cylinders to position the front portion to an intended grade path, and a trailing sensor adjacent the rear portion that controls operation of the second pair of hydraulic cylinders to position the rear portion to follow the intended grade path. The shoe may have a cutting edge that is curved from a leading edge to a trailing edge thereof.

USPTO Applicaton #: #20140041263 - Class: 37348 (USPTO) -
Excavating > Ditcher >Condition Responsive

Inventors: Richard Bockman

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The Patent Description & Claims data below is from USPTO Patent Application 20140041263, Tile plow.

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CROSS-REFERENCE TO RELATED APPLICATION(S)

This application claimed the benefit of U.S. Provisional Application No. 61/680,377 entitled “Tile Plow” filed Aug. 7, 2012 by R. Bockman and R. Preston. The aforementioned U.S. Provisional Application No. 61/680,377 is hereby incorporated by reference.

BACKGROUND

The present invention relates to drainage installations for agricultural land. More particularly, the present disclosure relates to tile plows for installing underground flexible tubing lines.

Drainage tile plows are most typically employed by farmers for installing underground flexible tubing as a water management strategy to improve yield, drought resistance, and timeliness of access to their fields. The tile plow is pulled behind a tractor. As the tractor pulls the plow through the ground, the plow temporarily creates a trench into which the flexible tubing is installed. The foremost tip of the implement cuts a subsurface on which flexible tubing is laid. Favorable drainage characteristics depend upon good control of the installed tubing, including the depth and grade of the profile created by the implement, which is typically at a slope.

In order to properly position and install the sub surface tiling system, the topography of the land must be determined. This can be done utilizing global position systems (GPS) or laser levels. Current systems typically utilize a single sensor or receiver to assess the topography and position the tile plow at the proper grade. However, such systems can not adjust for errors introduced into the system, such as encountering subsurface obstruction with the tiling plow.

SUMMARY

A tile plow includes a horizontal beam and a shoe extending downwardly from the beam. The beam and shoe are supported on a rear wheel assembly, and a front linkage assembly. The beam is connected to the rear wheel assembly and the front linkage assembly through a bracket connected to the beam. The beam and shoe are movable between a raised transport position and a lowered plowing position. The position of the rear wheel assembly and front linkage assembly is controlled by a slave hydraulic system for raising and lowering the tile plow. A secondary hydraulic outlet adjusts the rear hydraulic cylinders relative to the front hydraulic cylinders. When the tile plow is laying a tile line, the rear wheels are positioned substantially behind the shoe.

In some embodiments, the tile plow may also include covering blade assemblies attached to each side of the wheel assembly. The blades are rigid bars that angle outward from the rear of the tile plow towards the front of the tile plow.

In some embodiments, the tile plow includes a dual sensor arrangement. A leading sensor is adjacent the front portion, and a trailing sensor is adjacent the rear portion. The trailing sensor may be placed directly above the tiling chute. The sensors are each connected to control valves to position the depth, or grade, of the tiling plow.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is an elevation view of a tile plow in the transport position.

FIG. 2 is an elevation view of the tile plow in the engaged position.

FIG. 3 is a top plan view of the tile plow.

FIG. 4 is an elevation view of the shoe and cutting edge of the tile plow.

FIG. 4A is a bottom plan view of a first embodiment of the shoe.

FIG. 4B is a bottom plan view of a second embodiment of the shoe.

FIG. 5 is a plan view of plates used in construction of the cutting edge.

FIG. 6 is an elevation view of a tile plow with dual sensors.

FIG. 7 is a perspective view of a tile plow in the transport position.

FIG. 8 is a perspective view of the tile plow being lowered into the engaged position.

FIG. 9 is a perspective view of the tile plow in the engaged position.

FIG. 10 is a rear elevation view of the tile plow.



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stats Patent Info
Application #
US 20140041263 A1
Publish Date
02/13/2014
Document #
13961787
File Date
08/07/2013
USPTO Class
37348
Other USPTO Classes
37367
International Class
/
Drawings
16



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