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:
May. 17, 2016

Filed:

Dec. 21, 2011
Applicants:

Bruno Le Briere, Paris, FR;

Christophe Michaud, Soignolles en Brie, FR;

Inventors:

Bruno Le Briere, Paris, FR;

Christophe Michaud, Soignolles en Brie, FR;

Assignee:

Geoservices Equipements, Paris Nord II, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 23/04 (2006.01); E21B 23/00 (2006.01); E21B 31/20 (2006.01);
U.S. Cl.
CPC ...
E21B 23/04 (2013.01); E21B 23/00 (2013.01); E21B 31/20 (2013.01);
Abstract

The tool includes a bearing member (), a traction assembly () of the object (), movably mounted in a first direction relative to the bearing member (). It includes a plurality of hooking members (), mounted radially mobile relative to the traction assembly () between a contracted configuration and a deployed configuration. The tool comprises means () for keeping each hooking member () in its deployed configuration. It includes unlocking means () that include an elastic stressing member () applied on the holding means (). The elastic stressing member () is capable of being compressed to cause the unlocking of the holding means () and the passage of the hooking members () from their deployed configuration to their contracted configuration.


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