Land vehicles – Wheeled – Occupant propelled type
Patent
1979-02-22
1981-10-06
Peters, Jr., Joseph F.
Land vehicles
Wheeled
Occupant propelled type
280274, B62K 304, B62K 1906
Patent
active
042931410
ABSTRACT:
Frame for high performance light weight bicycle having round top and bottom tubes secured at forward ends to head tube, with forward ends of top and bottom tubes being oval with a lateral width the same as diameter of round portions as a minor axis, tapering rearwardly from a forward maximum major axis, and a section modulus gradually increasing from that of round portions toward the forward ends.
McGiehan Donn
Peters Jr. Joseph F.
Schwinn Bicycle Company
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