Patent · US Expired

Ejector assembly having a pivotal upper member

US4197049A · kind A · utility

7Cited by
8References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 20, 1978
Grant dateApr 8, 1980
Priority date
Expiry dateMar 20, 1998

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE02F3/6481
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A self loading scraper has upper and lower members of an ejector pivotally interconnected at a pivot. The upper member is automatically pivoted about the pivot rearwardly relative to the lower member as the ejector is moved forwardly for ejecting the load from the bowl.

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