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. 24, 1984
Filed:
Feb. 02, 1981
Applicant:
Inventor:
Roman Romes, Friolzheim, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01B / ;
U.S. Cl.
CPC ...
172-7 ; 7386269 ;
Abstract
An electrohydraulic control device for a lifting unit of an agricultural machine having a frame and a control rod pivotally secured to the frame by a fixed pivot pin, includes a transformer-type pick-up unit arranged in a well formed along the central axis of the pivot pin and cooperating with magnetically soft walls of the pivot pin to detect magnetic changes resulting from the load variations.