Land vehicles – Wheeled – Occupant propelled type
Patent
1982-05-14
1984-07-17
Peters, Jr., Joseph F.
Land vehicles
Wheeled
Occupant propelled type
280278, 280639, B62K 1500
Patent
active
044601913
ABSTRACT:
A foldable bicycle frame includes a lower frame and a front frame pivotally mounted on the lower frame, the lower frame having fork elements supporting a rear wheel axle. A seat tube is pivotally mounted on the lower frame. A front support stay is pivotally mounted on the front frame and is also pivotally mounted on the seat tube. A seat stay has an upper section and a lower section, the upper section being pivotally connected to the seat tube, the lower section being pivotally connected to the lower frame at the fork elements, the upper and lower sections each having a pair of upper and lower stay members respectively and a locking plate device connecting the upper and lower sections and operable to selectively provide a pivotal connection between the upper and lower sections to provide for folding of the bicycle and to effect a rigid connection between the upper and lower sections to provide assembled operability of the bicycle frame.
REFERENCES:
patent: 4026573 (1977-05-01), Richardson
Ishibashi Hideyuki
Takamiya Kikuzo
Bridgestone Cycle Co. Ltd.
Hill Mitchell J.
Peters Jr. Joseph F.
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