Patent · US Expired

Spreader for a granular product

US4031929A · kind A · utility

15Cited by
3References
22Claims
0Family size

Inventors

Key dates

Filing dateFeb 12, 1976
Grant dateJun 28, 1977
Priority date
Expiry dateFeb 12, 1996

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65G69/0458
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

The subject invention involves, among other things, mounting impeller blades, of a unique design and construction, which are disposed below an outlet provided in a hopper so that the product flowing downwardly from the outlet may be spread distally in any conical pattern desired for deposit to form a pile or layer of substantially uniform depth.

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