Chainring

US9731791B2 · kind B2 · utility

Assignee

• SRAM, LLC · US

Inventors

• Markus Reiter · Schweinfurt, DE
• Raymond Florczyk · Schweinfurt, DE
• Henrik Braedt · Diez, DE

Key dates

• Filing date: Jan 11, 2016
• Grant date: Aug 15, 2017
• Expiry date: Jan 11, 2036

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T74/2165
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A bicycle chainring for engagement with a drive chain includes a plurality of teeth extending from a periphery of the chainring wherein roots of the plurality of teeth are disposed adjacent the periphery of the chainring. The plurality of teeth include a first group of teeth and a second group of teeth, each of the first group of teeth wider than each of the second group of teeth. At least some of the second group of teeth are arranged alternatingly and adjacently between the first group of teeth, and at least some of the first group of teeth are asymmetrically wider than each of the second group of teeth.