Land levelling device
First Claim
1. A land levelling device comprising:
- a support frame;
a front, transversely extending blade mounted to the support frame;
a rear, transversely extending blade mounted to the support frame; and
a coupler adapted for attaching the land levelling device to a towing vehicle., wherein the support frame mounts the front and rear blades in substantially parallel spaced apart relationship, wherein said front blade has a cutting edge projecting foremost, and a cutting face angled backwardly and upwardly from the cutting edge toward the support frame, and wherein said rear blade has a lower edge not extending above a substantially horizontal plane defined by the cutting edge of the front blade, the construction and arrangement of the front and rear blades being such that in use mounds or bumps in the ground are sheared off by the front blade and pass over it to be redistributed into hollows in the ground by the rear blade.
2 Assignments
0 Petitions
Accused Products
Abstract
Preferably the land levelling device (1) includes a support frame (2) on which is mounted a front, transversely extending, blade (3), a rear, transversely extending, blade (4), and a coupler (5) for, in use, attaching the land levelling device to a towing vehicle (30), the support frame (2) mounting the front and rear blades (3, 4) in substantially parallel spaced apart relationship wherein the front blade (3) has a cutting edge (9) projecting foremost, and a cutting face (10) angled backwardly and upwardly from the cutting edge (9) toward the support frame (2), and wherein the rear blade (4) has a lower edge (13) which lies below, or at least co-planar with, the cutting edge (9) of the front blade (3), the construction and arrangement of the front and rear blades (3, 4) being such that in use mounds or bumps in the ground are sheared off by the front blade (3) and pass over it to be redistributed into hollows in the ground by the rear blade (4).
-
Citations
17 Claims
-
1. A land levelling device comprising:
-
a support frame;
a front, transversely extending blade mounted to the support frame;
a rear, transversely extending blade mounted to the support frame; and
a coupler adapted for attaching the land levelling device to a towing vehicle., wherein the support frame mounts the front and rear blades in substantially parallel spaced apart relationship, wherein said front blade has a cutting edge projecting foremost, and a cutting face angled backwardly and upwardly from the cutting edge toward the support frame, and wherein said rear blade has a lower edge not extending above a substantially horizontal plane defined by the cutting edge of the front blade, the construction and arrangement of the front and rear blades being such that in use mounds or bumps in the ground are sheared off by the front blade and pass over it to be redistributed into hollows in the ground by the rear blade. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
-
Specification