Patent · US Expired

Farm machine having a deformable suspension mechanism

US5107663A · kind A · utility

54Cited by
5References
61Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 21, 1990
Grant dateApr 28, 1992
Priority date
Expiry dateNov 21, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S56/14
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A farm machine comprises at least one group of working elements and a structure having a hitching mechanism for hitching the farm machine to a motor vehicle during work. The group of working elements is connected to the structure which comprises a tongue (hitching mechanism), and a frame through a deformable quadrilateral suspension device which comprises suspension elements each one of which is connected to the structure through a first joint and to the group of working elements through a second joint.

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