Patent · US Expired

Machine for scraping up grit

US4090619A · kind A · utility

1Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 10, 1976
Grant dateMay 23, 1978
Priority date
Expiry dateAug 10, 1996

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65G65/06
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A machine for scraping up grit which has a girder extending over grit chambers, an elevating frame parallel with the girder and adapted to rise and descend, a bucket conveyor stretched around sprocket wheels arranged at both ends of the elevating frame and at proper places above the girder, and a movable sprocket wheel, whereby scraping, scooping up and discharging of grit can be performed by the bucket conveyor.

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