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:
Mar. 20, 2012
Filed:
Dec. 19, 2007
Yukio Yoshida, Nabari, JP;
Yukio Yoshida, Nabari, JP;
BorgWarner Inc., Auburn Hills, MI (US);
Abstract
A silent chain that can reduce friction loss during travel of a chain. A silent chainis configured by stacking a large number of link platescomprising a pair of tooth partsand pin holesin the thickness direction and the lengthwise direction, and also arranging guide plateson the outermost side of the link plates, and coupling the link platesand the guide platesby means of connecting pins. Protruding partswhich can come into sliding contact with guide partsB of a chain guideand guide partsB of a tension armduring travel of the silent chainare provided on an outer side surfaceA of the guide plates. The contact between the silent chainand the chain guideand tension armis made to be point contact, and friction loss during travel of the chain can be reduced.