Back to results
US 9,869,382 B2Granted
Clad chainring
AssigneeSram, LLC
InventorsKevin Wesling, Anthony Medaglia
Life of this patent
Estimating the term…
Abstract
A bicycle chainring, including a generally annular body formed of at least an inner material, the inner material including a first side and a second side opposite the first side and a plurality of teeth disposed about a periphery of the body. At least some of the plurality of teeth are formed of both the inner material and an outer material, the outer material disposed on one or both of the first and second sides, the outer material having a greater wear resistance relative to the inner material and a thickness greater than 0.1 millimeter.
Claims13
A sprocket for a bicycle drivetrain, comprising:
- a generally annular body formed of inner material and at least some outer material, the inner material including a first side and a second side opposite the first side, wherein the outer material is disposed on the first side and the second side of the inner material;
- and
- a plurality of teeth disposed about a periphery of the body, at least some of the plurality of teeth formed of only the outer material, the outer material having a greater wear resistance relative to the inner material and a thickness greater than 0.1 millimeter.
Dependencies are inferred from the claim text.