Land vehicles – Wheeled – Occupant propelled type
Patent
1997-08-14
2000-01-11
Schwartz, Christopher P.
Land vehicles
Wheeled
Occupant propelled type
280282, B62K 100
Patent
active
060127333
ABSTRACT:
An advanced frame design primarily for mountain bikes that utilizes an advanced construction of lightweight tubes to create bicycle framework of greater strength without added weight. The frame design utilizes pairs of thin tubes arranged within the bike frame for increased strength and flexibility. The top tube and down tubes are of double tube construction in the invention. Bridgework tubes are smaller tubes that are used to connect portions of the various doubled tubes to one another to provide a secondary support structure for the frame.
REFERENCES:
patent: 4427209 (1984-01-01), Morita
patent: 4540190 (1985-09-01), Moulton
patent: 4813696 (1989-03-01), Moulton
Bartz C. T.
Halvonik John P.
Schwartz Christopher P.
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