Patent ID: 7766095

Claim:
A link assembly for a hitch for a tractor, comprising: a first strut, the first strut having a channel at an end thereof and a hollow space adjacent to the channel, the hollow space being defined by a first wall, a second wall opposite the first wall and a third wall between the first and second walls; a second strut, the second strut having a recess and being insertable into the channel; a locking element mounted in the hollow space for latching the second strut to the first strut, the locking element being movable to an unlocked position in which the locking element is located inside the hollow space and the second strut may be displaced in the channel, and the locking element being movable to a latching position in which it penetrates the channel and in which the second strut is located in the channel and locks the second strut therein, by extending into the recess; a spring which pretensions the locking element in the latching position, the spring comprising a first limb bearing against the first wall and a second limb bearing against the locking element, the spring being biased to retain the locking element in the hollow space, a part of the spring between the limbs extending through an opening in the locking element, the spring having a bent region which is wrapped around an end of the locking element, which engages the second wall and which forms a pivot bearing between the end of the locking element and the second wall; and a grip element extending through an opening in the third wall and connected to the locking element, by means of which an operator may move the locking element into the unlocked position.