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:
Dec. 20, 2011

Filed:

Feb. 14, 2007
Applicants:

Jens Lutzhöft, Hamburg, DE;

Jörn Grotherr, Halstenbek, DE;

Ronaldus R. M. Rölling, Hamburg, DE;

Iwo Severin, Lübeck, DE;

Inventors:

Jens Lutzhöft, Hamburg, DE;

Jörn Grotherr, Halstenbek, DE;

Ronaldus R. M. Rölling, Hamburg, DE;

Iwo Severin, Lübeck, DE;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A device for vertically holding pipes, which includes a base element in the form of a segment of a cylinder, a door element pivotably connected to the base element by at least one pivot joint, and a fastener assembly mounted opposite the pivot joint. The fastener assembly has a pivotable catch with a locking profile that, when in the locked state, grips a locking pin from behind. A safety pin and a safety plate are located in the area of the pivotable catch, and, depending on its position, the safety plate releases or closes at least one opening for the safety pin.


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