Land vehicles – Wheeled – Occupant propelled type
Patent
1997-09-29
2000-07-11
Dickson, Paul N.
Land vehicles
Wheeled
Occupant propelled type
B62K 302
Patent
active
060860804
ABSTRACT:
A bicycle frame is provided with a steering tube, a saddle tube, a top tube and an inclined tube as well as a fork for a front wheel held on the steering tube and another fork or swing unit for a rear wheel as well as a pedal bearing unit held on the frame. The top tube has a forward first tube section fastened to the steering tube and connected with a second saddle tube section fastened on the saddle receiving tube. The forward tube section may comprise an elongated tube part of the inclined tube and, between the sections and the inclined tube, has a junction in a plane below the connection of the saddle tube section on the saddle receiving tube and the connection of the additional tube section on the steering tube.
REFERENCES:
patent: 3982770 (1976-09-01), Satoh et al.
patent: 4046396 (1977-09-01), Taylor et al.
patent: 5201537 (1993-04-01), D'Aluisio
patent: 5685553 (1997-11-01), Wilcox et al.
patent: 5725227 (1998-03-01), Mayer
Radmarkt-Forum '94, Jul. 1994, p. 8.
Radfahren, Jun. 1995, p. 18.
Dieren, Gazelle, Produktion Lauft auf Hochtouren, RadMarkt, Jan. 1996, p. 29.
Dickson Paul N.
Dr. Ing. h.c.F. Porsche AG
Lerner Avraham H.
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