发明名称 TWO-WHEEL-DRIVE BICYCLE
摘要 An improved two-wheel-drive bicycle having, in certain preferred forms, a chain-driven front-drive mechanism having a gearing arrangement attached to the fork assembly, whereby the gear arrangement, using fixed-axis and variable-axis turning members, transfers rotational power from the drive mechanism along and around the steering axis to the front sprocket. Certain preferred embodiments include particular gearing arrangements and particular ways of getting bicycle power to the fixed-axis turning members.
申请公布号 US2002109330(A1) 申请公布日期 2002.08.15
申请号 US20010784485 申请日期 2001.02.15
申请人 TOMPSETT JOE 发明人 TOMPSETT JOE
分类号 B62M23/00;(IPC1-7):B62M1/02 主分类号 B62M23/00
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