Land vehicles – Wheeled – Occupant propelled type
Patent
1990-06-05
1991-10-01
Bertsch, Richard A.
Land vehicles
Wheeled
Occupant propelled type
745947, 280639, 280278, B62K 1500
Patent
active
050527061
ABSTRACT:
A foldable bicycle which is characterized by a top bar of the main frame having two angled and pivotally connected sections allowing the front portion of the bicycle to be folded downwardly and backwardly toward the rear portion of the frame by a two-piece support bar provided between the main frame and the saddle pillar of the bicycle, which has a control lever to quickly separate the support bar for folding purposes, by a handle-bar stem having a locking mechanism at its lower portion which has a pulling arm for quickly controlling the bending or straightening of the handle-bar stem; and by a pair of pedals which may be turned inwardly due to a special connection thereof, the bicycle is easily folded.
REFERENCES:
patent: 3374009 (1968-03-01), Jeunet
patent: 4202561 (1980-05-01), Yonkers
patent: 4895386 (1990-01-01), Hellestam et al.
Tsai Duan-Huey
Tsai Shwu-Huey
Bertsch Richard A.
Dickson Paul
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