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:
Nov. 21, 1978
Filed:
Apr. 05, 1977
Applicant:
Inventor:
Leon A Wirt, Joliet, IL (US);
Assignee:
Caterpillar Tractor Co., Peoria, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66C / ;
U.S. Cl.
CPC ...
214-3 ; 212 44 ; 214 / ; 214 / ; 2141 / ;
Abstract
A linkage associated with a boom and stick arm of a vehicle includes struts mounted to the boom and stick arm, links mounted to the stick arm, an implement pivotally mounted to the stick arm, and a cylinder interconnecting the struts and links for providing that as the stick arm is moved relative to the boom, the implement maintains a chosen attitude.
Quick Actions:
Wirt, Leon. (1978). Tree harvester control linkage (U.S. Patent No. 4126235). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4126235
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile