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US 11,110,991 B2Granted
Chainring
AssigneeSram, LLC
InventorsMarkus Reiter, Raymond Florczyk, Henrik Braedt
Life of this patent
Estimating the term…
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.
Claims18
A bicycle chainring for engagement with a drive chain, comprising:
- 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 including a first group of teeth and a second group of teeth, each of the plurality of teeth including a first side and a second side opposite the first side, each of the first group of teeth including a protrusion on the first side, each of the first group of teeth free of protrusions on the second side, and each of the second group of teeth free of protrusions on the first side and the second side.
A bicycle crankset comprising
- a crank arm;
- and
- a singular chainring, the single chainring comprising:
- 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 including a first group of teeth and a second group of teeth, at least some of the second group of teeth arranged alternatingly and adjacently between the first group of teeth, each of the plurality of teeth including a first side and a second side opposite the first side, and each of the first group of teeth including a first protrusion on the first side formed from an axially extending base surface, and each of the first group of teeth and the second group of teeth free of a second protrusion on the second side.
2 more elements
A bicycle chainring for engagement with a drive chain, comprising:
- an even numbered 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 including a first group of teeth and a second group of teeth, each of the plurality of teeth including a first side and a second side opposite the first side, each of the first group of teeth including a protrusion extending from a wall on the first side, each of the first group of teeth free of protrusions on the second side, and each of the second group of teeth free of protrusions on the first side and the second side.
Dependencies are inferred from the claim text.