Patent ID: 8162408
Filing Date: 2012-04-24
Classification: B60B

Abstract:
1. A composite rim comprising: a tire-receiving ring made of metal, the tire-receiving ring comprising at least one dovetail annularly formed on the bottom thereof and two sidewalls annularly formed thereon; and a spoke-connecting ring made of plastic, the spoke-connecting ring receiving the tire-receiving ring, the spoke-connecting ring having two bulbous sidewalls annularly formed thereon, the spoke-connecting ring comprising two brake-contacting members respectively formed on the two sidewalls and vertically extending from the two sidewalls for adapting to be selectively pressed against by two brake shoes, the two brake-contacting members respectively, axially and outwardly located adjacent to the two sidewalls of the tire-receiving ring, a cross member formed between the brake-contacting members and at least one dovetail groove defined in the cross member for receiving the at least one dovetail; wherein when the two brake-contacting members are axially pressed against by the two brake shoes, the two sidewalls of the tire-receiving ring axially and respectively support the two brake-contacting members for reinforcing the two brake-contacting members, and a sufficient friction is provided between the plastic brake-contacting members and the brake shoes.