Runner segment for an edge guard of a road milling machine, and edge guard for a road milling machine

Patent metadata

Field	Value
Publication number	US-9745705-B2
Application number	US-201514806711-A
Country	US
Kind code	B2
Filing date	Jul 23, 2015
Priority date	Apr 19, 2012
Publication date	Aug 29, 2017
Grant date	Aug 29, 2017

Abstract

A runner segment for an edge guard includes an insertion projection that can be inserted into an insertion receptacle of the edge guard.

First claim

What is claimed is:

1. An edge guard for a road milling machine or a soil working machine, the edge guard comprising:
a base part formed from metal plate having opposite parallel lateral plate surfaces, the metal plate having a plate width defined between the lateral plate surfaces, the metal plate having a lower edge portion having a plurality of insertion receptacles defined in the lower edge portion within the plate width, the insertion receptacles being open toward an underside of the edge guard and configured to receive runner segments in the insertion receptacles.

2. The edge guard of claim 1 , wherein:
the lower edge portion includes a plurality of cutouts spaced apart by webs, each cutout extending through the metal plate from one lateral plate surface to the other lateral plate surface; and
further comprising first and second sheet metal partitions received in the cutouts between the webs, the first and second sheet metal partitions being spaced apart so that each insertion receptacle is defined laterally between inner sides of the first and second sheet metal partitions.

3. The edge guard of claim 1 , further comprising:
a plurality of runner segments, each runner segment including an elongated runner portion and an insertion projection extending upward from the runner portion and received in a respective one of the insertion receptacles.

4. The edge guard of claim 3 , wherein:
each runner segment includes at least one stop surface engaging a complementary stop surface of the base part to limit insertion of the runner segment into its respective one of the insertion receptacles.

5. The edge guard of claim 3 , wherein:
the insertion projection of each runner segment includes at least one integrally formed centering surface for guiding the insertion projection into its respective one of the insertion receptacles.

6. The edge guard of claim 3 , wherein:
the runner portion has a runner portion length in a running direction and a runner portion width transverse to the running direction; and
the insertion projection has an insertion projection height in an insertion direction, wherein the insertion projection height is greater than the runner portion width.

7. The edge guard of claim 3 , wherein:
each runner segment includes one and only one insertion projection.

8. An edge guard for a road milling machine or a soil working machine, the edge guard comprising:
a base part having an edge portion having a plurality of insertion receptacles defined in the edge portion and configured to receive runner segments in the insertion receptacles; and
a plurality of runner segments, each runner segment including an elongated runner portion and an insertion projection extending upward from the runner portion and received in a respective one of the insertion receptacles;
wherein each insertion projection includes a clamp element including one or more elastic protrusions resiliently engaging an inner surface of its respective one of the insertion receptacles to hold the insertion projection within the insertion receptacle.

9. The edge guard of claim 8 , wherein:
the insertion projection of each runner segment has a recess defined therein and the clamp element is received in the recess with the one or more elastic protrusions extending out of the recess.

10. The edge guard of claim 9 , wherein:
the recess extends laterally through the insertion projection and the clamp element has elastic protrusions extending out of two opposite sides of the insertion projection.

11. The edge guard of claim 9 , wherein:
the insertion projection of each runner segment has first and second oppositely facing side surfaces, having first and second recesses, respectively, defined therein;
the first mentioned clamp element is received in the first recess of the first side surface and a second clamping element is received in the second recess of the second side surface, and the elastic protrusions of the first and second clamping elements extend in opposite directions from the insertion projection.

12. The edge guard of claim 11 , wherein:
the first and second recesses are offset from each other in a running direction of the edge guard.

13. The edge guard of claim 8 , wherein:
each insertion projection and its associated clamping element provide an unbolted connection to the base part.

14. The edge guard of claim 8 , wherein:
the elastic protrusions are shaped as louvers.

15. The edge guard of claim 8 , wherein:
the elastic protrusions are arrow-shaped and point in an insertion direction.

16. The edge guard of claim 9 , wherein:
each insertion projection includes two lateral side surfaces, and each recess is open to only one of the lateral side surfaces of the insertion projection.

17. The edge guard of claim 9 , wherein:
each insertion projection includes two lateral side surfaces, and each recess extends laterally through the insertion projection and is open to both lateral side surfaces of the insertion projection.

18. The edge guard of claim 9 , wherein:
the recess is located asymmetrically in a running direction to a longitudinal center axis of the insertion projection.

19. The edge guard of claim 9 , wherein:
each insertion projection includes two lateral side surfaces, and the recess is a first recess communicated with one of the opposite lateral side surfaces of the insertion projection, and the insertion projection further includes a second recess communicated with the other of the opposite lateral side surfaces of the insertion projection.

Assignees

• Wirtgen Gmbh

Inventors

• Ley Herbert
• Verhaelen Philip
• Barimani Cyrus
• Hähn Günter

Classifications

• Y10T74/2191

  for rotary member · CPC title

• E01C2301/20

  Screed or paver accessories for paving joint or edge treatment · CPC title

• E01C2301/00

  Machine characteristics, parts or accessories not otherwise provided for · CPC title

• E01C23/09 Primary

  for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges · CPC title

• E01C23/026

  Introducing preformed inserts into or filling grooves or like channels in laid paving, with or without concurrent making or working of groove or channel, e.g. filling groove with semi-plastic material (E01C23/028 takes precedence) · CPC title