Patent · US Expired

Seed treater

US4023525A · kind A · utility

16Cited by
4References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 4, 1976
Grant dateMay 17, 1977
Priority date
Expiry dateAug 4, 1996

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01C1/06
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Seed treating and conveying apparatus including a screw conveyor with an auger and an auger shaft operating within the auger tube and driven by a motor, an eccentric or cam rotated in direct relation to the rate of rotation of the auger shaft and operating a reciprocating positive displacement metering pump, the displacement of the impeller rod of the pump being adjustable to vary the quantity of liquid treating material applied to the seed in the auger tube during each revolution of the auger.

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