Patent · US Expired

Suspension for coulter wheel assembly

US5335610A · kind A · utility

1Cited by
7References
7Claims
0Family size

Inventor

Key dates

Filing dateAug 26, 1992
Grant dateAug 9, 1994
Priority date
Expiry dateAug 26, 2012

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01C7/201
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An improved suspension for a coulter wheel assembly of the type primarily intended for attachment to a tractor wherein the improved suspension is characterized by its construction including a plurality of pivotal support bars interconnecting a set of double disc openers with following press wheels is disclosed. The improved suspension includes a unique back angle pivot attachment of the coulter wheel assemblies to one of the pivoting support arms so that the coulter wheels and press wheels accurately track the direction of travel of a tractor, even when the direction of travel changes rapidly and frequently. A material may be deposited in the furrow created by the double disc openers attached to the improved suspension of this invention, and the depth of the furrow cut by the double disc opener may be adjusted.

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