Patent ID: 9491898
Filing Date: 2016-11-15
CPC Classification: A01B

Claim Text:
1. A length adjustable lifting strut for a hitch linkage of a tractor, comprising: two connection elements for connecting the lifting strut to components of the hitch linkage; a fine adjustment mechanism for finely adjusting length of the lifting strut, said fine adjustment mechanism comprising an adjustment element having two ends each connected to one of said two connection elements; and a quick adjustment mechanism readily adjustable by a user, the quick adjustment mechanism forming a part of the lifting strut for adjusting length of the lifting strut in at least two discrete lifting positions, said quick adjustment mechanism further comprises a hinge connecting a first part of the adjustment element and a second part of the adjustment element pivotably with respect to each other, the hinge moving the adjustment element, as well as the two connection elements, between an aligned lifting position and an angled lifting position; a retaining mechanism includes a pin coupling with the hinge securing and locking the quick adjustment mechanism of the lifting strut in both the aligned lifting position and the angled lifting position such that the lifting strut can lift an implement in both the aligned and angled lifting positions during use.