Patent · US Expired

Material directing device for an auger scraper

US4575959A · kind A · utility

2Cited by
11References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 30, 1984
Grant dateMar 18, 1986
Priority date
Expiry dateApr 30, 2004

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE02F3/658
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A scraper has a bowl and a floor and is constructed to receive an auger. Material moving up the cutting edge and pushing against a diverter requires greater force to load the scraper. Apparatus having a substantially smooth inclined surfaces are provided for moving material into the bowl past a compaction zone onto the spiral flight of an auger and also block incoming material from the compaction zone and lodging between the leading edge of the auger and the bowl floor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.