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. 24, 2011

Filed:

Dec. 15, 2008
Applicant:

Hermann Grosch, Nienhagen, DE;

Inventor:

Hermann Grosch, Nienhagen, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01F 13/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

A blocking system or blocking body () is provided that is composed of at least four means or members () that have a common base () and in the transport state are pivoted upwards so that the tips () of all means () lie in one plane, wherein the means () in the active state are orientated in such a way that at least three tips () form contact points () on a surface () and at least the fourth means () pointing upwards penetrates one of the wheels when it is run over. This type of crow's foot (blocking body ()) can be delivered by means of a thrower or by depositing it into the terrain in which the vehicles are situated, and whose continued travel is to be prevented.


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