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:
Mar. 10, 1981
Filed:
Jun. 15, 1978
Applicant:
Inventors:
Gustav Schumacher, II, 5231 Eichelhardt, Westerwald, DE;
Gunter Schumacher, 5231 Eichelhardt, Westerwald, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01D / ;
U.S. Cl.
CPC ...
56208 ; 267122 ;
Abstract
The invention relates to a mechanism for swivelling and spring-mounting a machine sub-assembly, mounted to swivel about an axis of rotation, for example the cutting bench of a harvester thresher, which bench is supported on the movable frame of the machine by way of a lifting unit, consisting of a lifting cylinder and piston, and a spring element, a spring element of limited stroke being provided between the lifting unit and its support, and means, such as a hydraulic force transducer or the like, also being provided for the purpose of varying the spring force of the spring element.