Patent · US Active

Length adjustable lifting strut

US9491898B2 · kind B2 · utility

5Cited by

29References

11Claims

0Family size

Assignee

GKN Walterscheid GmbH · DE

Inventors

Joachim Laubner · Adenau, DE
Achim Schröder · Troisdorf, DE
Wolfgang Adamek · Lohmar, DE
Marc Zimmermann · Sonthofen, DE

Key dates

Filing date	Aug 1, 2012
Grant date	Nov 15, 2016
Priority date	—
Expiry date	Aug 1, 2032

Classification

Technology area (CPC A)Human Necessities
CPC primaryA01B59/004
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A length adjustable lifting strut (1) for a hitch linkage of a tractor has two connection elements (11, 12) for connecting the lifting strut (1) to components (43, 44) of the hitch linkage. A fine adjustment mechanism 17 is provided on the lifting strut (1) to finely adjust the length of the lifting strut 1. A quick adjustment mechanism (21) is provided to adjust the lifting strut (1) length and is retainable in at least two discrete positions.

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