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.

Date of Patent:
Feb. 18, 2003

Filed:

May. 08, 2001
Applicant:
Inventors:

Frank Richter, Wilhelmshaven, DE;

Dieter Stuehrwoldt, Wilhelmshaven, DE;

Jens Ennen, Oldenburg, DE;

Assignee:

Grove U.S. LLC, Shady Grove, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66C 2/304 ;
U.S. Cl.
CPC ...
B66C 2/304 ;
Abstract

A locking mechanism for telescoping sections, in particular for a mobile crane boom, includes a linearly shiftable locking bolt for connecting and releasing an inner telescoping section with respect to an outer telescoping section, said locking bolt being maintain ed biased in its extended position. The locking bolt is shifted by means of a rotary actuator from its extended position into its retracted position.


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