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:
Apr. 19, 2011
Filed:
May. 21, 2007
Alfonsus Jacobus Van Den Engel, Schiedam, NL;
Alfonsus Jacobus Van Den Engel, Schiedam, NL;
Maasland N.V., Maassluis, NL;
Abstract
An agricultural machine for crop processing, the agricultural machine being provided with a drawbar that is connectable to a pulling vehicle, at least one crop processing member that is pivotably fastened to the drawbar, and a hydraulic lift cylinder for pivoting the crop processing member upwards relative to the drawbar, one side of the lift cylinder being fastened to the crop processing member and its other side to the drawbar, the lift cylinder comprising a first cylinder housing connected to the crop processing member, a second cylinder housing connected to the drawbar and a common piston rod connecting the two cylinder housings and being slidably included therein, the active internal surface of the first cylinder housing being larger than the active internal surface of the second cylinder housing.