Patent · US Expired

Crusher of chunks of concrete or masonry

US5887810A · kind A · utility

25Cited by
8References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 22, 1997
Grant dateMar 30, 1999
Priority date
Expiry dateSep 22, 2017

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE02F7/06
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The present invention relates to a crusher capable of efficiently crushing chunks of concrete or masonry waste, which crusher is attached to a crusher body such as a bucket which is disposed at a distal end of a movable arm or other predetermined place of a civil engineering machine, into small pieces. A pair of toothed crushing plates each having a plurality of radially extending teeth are attached to eccentric shafts mounted on the crusher body.

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