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. 11, 2006
Filed:
Nov. 30, 2004
Uwe Tillessen, Kamen, DE;
Norbert Hesse, Bochum, DE;
Gerhard Siepenkort, Lünen, DE;
Klaus Duhnke, Bochum, DE;
Adam Klabisch, Dortmund, DE;
Uwe Tillessen, Kamen, DE;
Norbert Hesse, Bochum, DE;
Gerhard Siepenkort, Lünen, DE;
Klaus Duhnke, Bochum, DE;
Adam Klabisch, Dortmund, DE;
DBT GmbH, Lunen, DE;
Abstract
A bit holder for a ploughing bit, particularly a bottom bit of a coal plough, includes an insert pocketwhich is open at the top sidefor receiving and supporting a bit stem of the ploughing bit and which pocketis bounded on its edges by two lateral supporting wallsa front supporting walland a rear supporting wallwith the rear supporting wallprojecting above the front supporting wallIn order to minimise the wear effect on the contact surfaces between bit stem and bit holder, the lateral supporting wallfacing away from the working face when the plough is in use projects above the front supporting walland the other lateral supporting walland forms an extended lateral support for the bit stem with respect to the other supporting wall