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. 15, 2005
Filed:
Oct. 09, 2002
Applicant:
Richard Koschig, Freising, DE;
Inventor:
Richard Koschig, Freising, DE;
Assignee:
Joh. Winklhofer & Sohne GmbH and CO.KG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E16G013/02 ; E16G013/18 ; C22C038/00 ;
U.S. Cl.
CPC ...
Abstract
An articulated chain comprising chain links interconnected at chain hinges, with each chain hinge comprises a hinge pin and a hinge bearing surrounding said hinge pin, and the hinge pins are provided with a bonded layer on the outer circumferential surface thereof. The hinge bearings are produced from a sintered material, with the bottom of the borided layer, which faces the base material, being provided with teeth.