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, 2000
Filed:
Jun. 17, 1999
Applicant:
Inventor:
Gerd Erdmann, Unterageri, CH;
Assignee:
Grove U.S. L.L.C., Shady Grove, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66C / ;
U.S. Cl.
CPC ...
212348 ; 212292 ;
Abstract
Apparatus for fixing the angular position of two telescopic parts relative to each other, comprising a stopper arranged on the first telescopic part and an adjuster provided with a shiftable element arranged on the second telescopic part. The adjuster comprises a piston/cylinder unit arranged on the inner telescopic part, which may be actuated by fluid supply and discharge, as well as an arrangement and method for fixing two telescopic parts of a crane jib.