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:
Jan. 08, 2002
Filed:
Apr. 28, 2000
Applicant:
Inventor:
Bernard Bonnewitz, Vaux, FR;
Assignee:
Usines Claas France, St. Remy/Woippy, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01B 7/300 ;
U.S. Cl.
CPC ...
A01B 7/300 ;
Abstract
A swivel device is provided for support wheels on front attachments for agricultural machines, in particular for swath pick-up devices on forage harvesters and bale presses. An embodiment includes coupling plates ( ) attached to the front free end of the supporting arm ( ). Attached to the coupling plates ( ) are coupling levers ( ), which are connected to swivel plates ( ). The swivel plates ( ) are connected by a swivel pin ( ) to a wheel yoke ( ) for receiving the support wheel ( ). Between a fixed point on the supporting arm ( ) and the coupling lever ( ) is arranged a hydraulic cylinder ( ).