Back to results
US 10,011,972 B2Granted
Adjustable earth shaping blade and earth shaping apparatus
AssigneeBridgeview Manufacturing Inc.
InventorsRaymond Helmeczi, James Walter Wesley Kowch
Life of this patent
Estimating the term…
Abstract
An adjustable earth shaping blade comprises a center section and at least one side section pivotally attached to the center section at an oblique angle. The side section may be moved forwards or backwards in order to change the profile of the contacting edge of the adjustable earth shaping blade.
Claims34
An adjustable earth shaping blade comprising:
- a center section comprising a center blade having a contacting edge for contacting the earth;
- and
- at least one adjustable side section pivotally connected to the center section, each of the at least one adjustable side sections having a respective side blade having a contacting edge for contacting the earth, a pivotal axis of the pivotal connection defining a line that intersects, at an oblique angle, a plane that is perpendicular to a tow direction of the adjustable earth shaping blade, the pivot axis extending in a direction away from the tow direction and the earth, the plane containing therein at least two points vertically offset from each other on a front face of the center blade,
- wherein the pivotal axis of the at least one adjustable side section is arranged at an angle of between 15° and 75° relative to a horizontal plane of the earth in which the contacting edge of the center section lies.
1 more element
Dependencies are inferred from the claim text.