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:
Jun. 17, 2014

Filed:

Nov. 10, 2010
Applicants:

Bernd Hewing, Ochtrup, DE;

Frank Dirkskoetter, Ochtrup, DE;

Inventors:

Bernd Hewing, Ochtrup, DE;

Frank Dirkskoetter, Ochtrup, DE;

Assignee:

Hewitech GmbH & Co. KG, Ochtrup, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E02B 11/00 (2006.01); B65G 5/00 (2006.01); E21F 17/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

The device is provided with a plurality of intermediate grid plate elements () with a top and a bottom surface, which are adapted to be positioned one on top of the other. Each intermediate grid plate element () comprises a grate strutting () as well as a plurality of support members () which are distributed, in particular in a regular manner, over the intermediate grid plate element (), wherein said support members () extend between the bottom face and the top face of an element in a direction substantially transverse to the extension of the intermediate grid plate elements () and are supported on the support members () of an adjacent intermediate grid plate element () arranged below a respective intermediate grid plate element (), and support the support members () of an adjacent intermediate grid plate element () arranged above said respective intermediate grid plate element ().


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