The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 09, 2016
Filed:
Jun. 05, 2013
Kuhn S.a., Saverne, FR;
Cedric Halter, Wasselonne, FR;
Joel Wilhelm, Saint-Louis, FR;
KUHN S.A., Saverne, FR;
Abstract
A coupling device for an agricultural machine including a support for hitching to a tractor and at least one arm articulated to the support and protruding from the support in a direction parallel to a direction of advance of the tractor, the arm carrying, in an articulated manner, a chassis carrying a work element having a cutting angle relative to the ground to allow fine control of the cutting angle during movements of the work element. The coupling device further includes an upper connecting-rod, a lower connecting-rod, and a central connecting-rod, each of the upper and lower connecting-rods is articulated to the support and the central connecting-rod to form, projected in a vertical plane parallel to the direction of advance, a deformable quadrilateral, and the central connecting-rod is articulated to the chassis. An agricultural machine can include the coupling device.