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US 2017/0211256 A1Published application
Rock Blade
OwnerWilliam D. Woodwardinventor
Life of this patent
Estimating the term…
Abstract
A movable blade assembly which can be attached to the front or rear of a vehicle and the height of the blade can be adjusted with respect to a roadway such that the blade only comes into contact with relatively large debris and moves them from the roadway.
Claims20
An apparatus comprising:
- at least two blades, said blades movable independently with respect to one another and positioned such that a primary axis of each of said blades is substantially parallel with one another, said blades not contacting a surface on which a vehicle traverses when said apparatus is in use, said apparatus attachable to the vehicle.
An apparatus comprising:
- a plurality of blades, said blades arranged substantially parallel with one another but not arranged complainer with one another, said apparatus attachable to a vehicle;
- at least one hydraulic cylinder attached to at least one of said blades such that actuation of said cylinder causes said attached blade to move while remaining substantially parallel with other of said blades.
An apparatus comprising:
- a mount, said mount comprising dimensions which permit mounting onto a haul truck;
- and
- at least one blade, said blade not contacting a surface on which the haul truck travels when said apparatus is in a lowered and operational state.
Dependencies are inferred from the claim text.