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:
Jul. 26, 1983
Filed:
Nov. 07, 1980
Applicant:
Inventors:
John M Lanning, Solon, IA (US);
Stephan R Epps, Cedar Rapids, IA (US);
Assignee:
Harnischfeger Corporation, West Milwaukee, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66C / ;
U.S. Cl.
CPC ...
212189 ; 2807641 ; 2807651 ;
Abstract
A crane of the type having a boom and which requires transversely swingable outriggers to stabilize the crane when the boom is in operation. Power operated means are provided between the main frame of the crane and the outriggers for swinging the outriggers to any one of a number of positions. Power operated locking means are also provided between the main frame of the crane and the outriggers for locking the latter in their selected position.