Patent · US Expired

Material unloading implements

US4002272A · kind A · utility

11Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 8, 1975
Grant dateJan 11, 1977
Priority date
Expiry dateMay 8, 1995

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01C3/066
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Spreader for farmyard manure has a moving wall to push manure to a discharge rotor. The wall is moved by a hydraulic ram located at the side of the spreader. The ram is coupled to the wall by chains trained round pocket wheels or sprockets.

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