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:
Sep. 19, 1989
Filed:
Aug. 15, 1988
Applicant:
Inventor:
Phillip E Stevens, Ankeny, IA (US);
Assignee:
Deere & Company, Moline, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01B / ;
U.S. Cl.
CPC ...
172311 ; 172466 ; 172776 ;
Abstract
An agricultural implement with a main frame and inner and outer wing frames that include gravity actuated latching structure securing the wing frames in a folded position. The latching structure automatically locks the wing frames together as they are pivoted upwardly in the folded position toward a transport position and unlocks the wing frames as they are pivoted downwardly toward a transport position.