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:
Oct. 20, 2009
Filed:
Aug. 22, 2005
Andreas Pluszynski, Wuppertal, DE;
Karl-heinz Schurer, Herne, DE;
Reinhold Bruggemann, Dortmund, DE;
Andreas Pluszynski, Wuppertal, DE;
Karl-Heinz Schurer, Herne, DE;
Reinhold Bruggemann, Dortmund, DE;
DBT GmbH, Lunen, DE;
Abstract
A chain wheel arrangement for driving or reversing stations of underground scraper chain conveyors, comprising a chain wheel (), a chain-wheel shaft () comprising a splined portion () between two offset-diameter shaft stub portions and to which the chain wheel () can be fastened in rotational engagement by axial sliding on to it, also comprising bearing shells () receiving bearings for the chain-wheel shaft (), disposed on each side of the chain wheel () and adapted to be fastened in bearing-shell recesses, open at the edges, in the side cheeks of the driving or reversing station, also comprising bearing support rings () which abut the outer cage (B) of the bearings (), and securing means comprising spacer sleeves () for axially securing the chain wheel () relative to the splined portion (), in which the spacer sleeves () rest loosely between the bearings (A) and the chain wheel (), wherein a clamping cover () is fastened to at least one shaft end () and presses against a clamping sleeve () which clamps a spacer ring () against the associated bearing ().