Patent ID: 9296157
Filing Date: 2016-03-29
CPC Classification: B29C,F16H

Claim Text:
1. A hybrid gear, comprising: a metal gear rim portion with a plurality of gear teeth projecting outward or inward from the gear rim portion; a gear hub portion disposed within the gear rim portion; and a web of a rigid composite material joining the gear rim portion to the gear hub portion; a first layer of composite material disposed upon a first side of an assembly of the web a second layer of composite material disposed upon a second side of an assembly of the web and gear rim portion and the gear hub portion, wherein the second layer is separate from the first layer; wherein the gear rim portion has an internal mechanical locking feature with a first shape; the gear hub portion has an external mechanical locking feature with a second shape; and the web has an external mechanical locking feature with a third shape corresponding to the internal mechanical locking feature of the gear rim portion and an internal shape with a fourth shape corresponding to the external shape of the gear hub portion; wherein the first and second layers of composite material each have an internal mechanical locking feature having a fifth shape corresponding to the second shape of the gear hub portion; and an external circular shape having a radius less than a radius of the gear teeth roots; wherein the web and the first and the second layers of composite material are bonded or co-cured together.