Patent · US Expired

Sectional rasp bar assemblies for combine threshing cylinders

US5254036A · kind A · utility

10Cited by
7References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 5, 1991
Grant dateOct 19, 1993
Priority date
Expiry dateJul 5, 2011

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01F12/22
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A rasp bar assembly for a threshing cylinder includes a single backing plate for carrying a plurality of rasp bars thereacross. The rasp bars are separated by a region of discontinuity for allowing the backing plate to flex without breaking the rasp bars attached thereto. Each of the rasp bars are provided with a toothed surface and a mounting surface, a front edge and a back edge, and at least one end which is angled obliquely to the front and back edge and parallel to the teeth.

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