Patent ID: 11913191
Assignee: 2376016 ALBERTA INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. An earth levelling blade assembly for supporting a levelling blade having a front working face and a rear mounting face on the lift arms of a loader movable across ground in a forward working direction, the assembly comprising:
a first mounting frame arranged to be releasably attached onto the lift arms of the loader;
a second mounting frame arranged to be fixedly attached to the rear mounting face of the levelling blade;
a coupling arrangement between the first and second mounting frames that (i) supports the second mounting frame to be freely pivotal about a forward axis relative to the first mounting frame in which the forward axis is oriented in the forward working direction of the loader and (ii) supports the second mounting frame to freely translate relative to the first mounting frame along an upright axis;
wherein one of the first and second mounting frames comprises a mounting plate and wherein another one of the first and second mounting frames comprises a pair of channels receiving opposing side edges of the mounting plate slidably therein; and
wherein the side edges of the mounting plate are convex having a centre of curvature at the forward axis.