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:
Sep. 29, 2009
Filed:
Jun. 14, 2005
Werner Rutz, Queidersbach, DE;
Ingo Noeske, Zweibruecken, DE;
Alfons Weckbecker, Zweibruecken, DE;
Terex-Demag GmbH & Co. KG, Zweibruecken, DE;
Abstract
The invention refers to a truck roller assembly () for a crawler chain comprising at least two spaced track roller portions (') with running surfaces for running on the crawler chain (), and a star-shaped element () for guiding the track roller assembly () on the crawler chain (). The star-shaped element () is mounted freely rotatably between the at least two track roller portions (′), and it is provided with a plurality of teeth (). The teeth () co-operate with the crawler chain () in such a way that on rolling over chain links () of the crawler chain () they engage into corresponding gaps () in the crawler chain (). The teeth () extend beyond the running surfaces of the at least two track roller portions (′) and between projections () of the crawler chain () such that it is ensured that the crawler chain () Is not displaced laterally relative to the track roller portions () and does not roll up on to the projections () of the crawler chain (). In an alternative embodiment the star-shaped element is replaced by an idling roller ().