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. 22, 2014
Filed:
Dec. 08, 2010
Applicant:
Wilfried Haeberle, Langenau, DE;
Inventor:
Wilfried Haeberle, Langenau, DE;
Assignee:
Peri GmbH, Weissenhorn, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66F 3/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A telescopic push-pull propfor the construction industry has an outer tubeand at least one threaded rod or inner tube. An outer threadof the inner tubeengages with an inner threadof the outer tube. The inner threadof the outer tubeis arranged at an axial separation from a free endof the outer tube. The inner threadof the outer tubeis produced by an at least partially circumferential reduction of the outer tubeover a mandrel positioned in the outer tube, the mandrel having an outer thread. At its free end, the outer tubehas an edge sectionwith a pass-through cross-sectionthat is reduced with respect to a nominal widthof the outer tube.