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:
Dec. 26, 1978
Filed:
Jun. 22, 1976
Gustav Schumacher, II, 5231 Eichelhardt, Westerwald, DE;
Gunter Schumacher, 5231 Eichelhardt, Westerwald, DE;
Other;
Abstract
Control device for guiding a hydraulically operated cutter mechanism of a harvesting machine, particularly a combine harvester, at a preselected height above the ground, said cutter mechanism being connected via a connecting member and two series-connected spring elements to a stationary portion of the harvesting machine, the spring force of at least one of said spring elements being preselectable by means of an adjustment lever, while between said spring elements a switching member is arranged which depending on the position thereof acts on a switch actuating either a raise valve or the lower valve of the lifting cylinder or takes a neutral position, wherein said two spring elements connected with one of their ends to said cutter mechanism are connected via said connecting member to said adjustment lever provided on the stationary portion of said combine harvester.