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:
Feb. 21, 2012
Filed:
Jan. 25, 2011
Bernd Holl, Neustadt/Wied, DE;
Stefan Abresch, Elgert, DE;
Thomas Lehnert, Oberraden, DE;
Wirtgen GmbH, , DE;
Abstract
In a milling drum () for a construction machine, in particular a road milling machine () or a recycler, with an interchangeable milling tube () arranged coaxially to the axis () of the milling drum, where the milling tube () is supported, by means of a support ring (), on a support ring mount () of a rotating body coupled to a milling drum drive (), it is provided that the support ring () and the support ring mount () of the rotating body display several complementary supporting surfaces () arranged coaxially to the axis () of the milling drum, where the said supporting surfaces () have different supporting circle diameters and are arranged behind one another axially with their diameters decreasing incrementally in the pulling direction.