Patent · US Expired

Plow jump mechanism

US4505337A · kind A · utility

4Cited by
6References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 5, 1982
Grant dateMar 19, 1985
Priority date
Expiry dateNov 5, 2002

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01B61/046
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A jump mechanism for a plough having a frame and at least one digging shank, the jump mechanism includes a main draw bar pivotally coupling the shank to the frame so that the shank can pivot about each end of the bar and a movement control bar also pivotally coupling the shank to the frame so as to govern pivoting of the shank about one end of the main bar relative to the pivoting of the main bar relative to the shank.

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