# US 8,782,930 B2 · Curbstone deflector for a snowplow

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- Number: US 8,782,930 B2
- Document ID: US8782930B2
- Status: Granted
- Kind: B2
- Application number: 13/505,559
- Filed: 2010-10-19
- Published: 2012-11-08
- Granted: 2014-07-22
- Earliest claimed: 2009-11-03
- Assignees: Kueper GmbH & Co. KG
- Applicants: Juergen Thomas
- Inventors: Juergen Thomas
- Web page: https://patentgrep.com/patent/US8782930B2

## CPC

- E01H 5/066: {Snow-plough blade accessories, e.g. deflector plates, skid shoes}
- E01H: STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING {OR PREVENTING} FOG IN GENERAL {CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS}(cleaning in general B08B)

## Abstract

A clearing strip (1) for the clearing blade of a snowplow, which strip is provided at the top with a steel fastening neck for fastening to the clearing blade, wherein a curbstone deflector (2) is arranged at least on a lateral edge of the clearing strip (1), wherein the lateral edge of the clearing strip (1) can be inserted into a recess in the curbstone deflector (2).

## Claims

### Claim 1

A clearing strip for a clearing blade of a snowplow comprising:
(a) a top;
(b) a steel attachment neck provided at the top for attachment to the clearing blade;
(c) at least one lateral edge;
(d) a curbstone deflector disposed on said at least one lateral edge;
wherein said curbstone reflector
has a polygonal or rounded contour in cross-section;
comprises a wear-resistant hardened steel or hard casting; and
has a recess embracing said at least one lateral edge from the front and from the side so as to establish a shape-fit connection between said at least one lateral edge and said curbstone deflector;
wherein said shape-fit connection is formed at support faces of said clearing strip and at support faces of said curbstone deflector, said support faces of said clearing strip and of said curbstone deflector running transverse to a direction of forces acting on said curbstone deflector during clearing work; and
wherein the curbstone deflector is secured onto the clearing strip with at least one screw passing through the clearing strip and the curbstone deflector in such a manner that a screw head of the at least one screw is countersunk into the curbstone deflector in a first direction of travel of the snowplow, and a nut is screwed on the at least one screw behind the clearing blade, in a second direction opposite the first direction of travel.

### Claim 2 (depends on 1)

The clearing strip according to claim 1, wherein the curbstone deflector, in cross-section, has first and second partial circle elements that can be joined together to form a total circle element, in such a manner that the at least one lateral edge is disposed between the first and second partial circle elements.

### Claim 3 (depends on 2)

The clearing strip according to claim 2, wherein the first partial circle element describes an essentially ¾ circle segment in cross-section, and encloses the at least one lateral edge of the clearing strip from the front and from the side, and wherein the second partial circle element describes an essentially ¼ circle segment in cross-section, and lies against the clearing strip from the back.