US 12,644,244 B2Granted

Containment plow

AssigneeDouglas Dynamics, L.L.C.

InventorsDerek William Adam, Benjamin Chadwick Altfillisch, David N. Bloxdorf, Christopher David Damon

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Abstract

A containment plow adapted to be mounted to a vehicle such as a skid steer, a wheeled loader, or a tractor comprises a moldboard frame, a moldboard mounted to the moldboard frame, a wing pivotally connected to the moldboard frame adjacent each end of the moldboard, a moldboard cutting edge mounted to a lower edge of the moldboard and comprising a plurality of cutting edge segments, and a wing cutting edge mounted to a lower edge of each wing. Each moldboard cutting edge segment is mounted so as to have two rotational degrees of freedom movement relative to the moldboard and one translational degree of freedom movement relative to the moldboard. Each wing cutting edge is mounted so as to have two rotational degrees of freedom movement relative to the wing.

Claims15

Dependent claims

A plow adapted to be mounted to a vehicle, comprising:

a moldboard frame,
a moldboard mounted to said moldboard frame,
a pair of wings, one wing of said pair of wings pivotally connected to said moldboard frame adjacent one end of said moldboard and the other wing of said pair of wings pivotally connected to said moldboard frame adjacent the other end of said moldboard,
a wing cutting edge mounted to a lower edge of each said wing,
each said wing cutting edge mounted to permit 1) pivoting movement about a first axis generally parallel to said lower edge of said wing, and 2) pivoting movement about a second axis generally perpendicular to said lower edge of said wing,
each said wing cutting edge mounted to a respective wing cutting edge support plate, said support plate pivotally connected to said wing with a pin, said pin providing the pivoting movement of said wing cutting edge about said first axis, and
said wing cutting edge having inboard and outboard ends and being pivotally connected to said support plate between said ends with a first fastener, said first fastener providing the pivoting movement of said wing cutting edge about said second axis.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 18/053,885Filed 9 Nov 2022 · continuation in part
Priority: 14 Jun 2022
Published: US 2023/0399803 A114 Dec 2023
Granted: 2 Jun 2026
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

E01H 5/067
Dislodging essentially by non-driven elements, e.g. scraper blades , snow-plough blades, scoop blades: by side-wing snow-plough blades
E01H 5/061
Dislodging essentially by non-driven elements, e.g. scraper blades , snow-plough blades, scoop blades: by scraper blades
E01H 5/063
Dislodging essentially by non-driven elements, e.g. scraper blades , snow-plough blades, scoop blades: by snow-plough blades tiltable for…
E01H 5/065
Dislodging essentially by non-driven elements, e.g. scraper blades , snow-plough blades, scoop blades: characterised by the form of the…

Family

Application17/806,835Parent of this continuation-in-part · filed 14 Jun 2022
US 2023/0399804 A1Pre-grant publication · published 14 Dec 2023
US 12,497,744 B2Parent of this continuation-in-part
US 2023/0399803 A1Published application
US 12,644,244 B2This patent

From the US filing history. Foreign family members aren’t listed.