Collapsible bicycles

Details Collapsible bicycles Collapsible bicycles

B - Operations, Transporting

62

K

280/41

B62K 15/00 (2006.01)

Patent

CA 1259352

ABSTRACT "Improvements relating to Collapsible Bicycles" A collapsible bicycle comprises a triangular frame formed from three struts. The bottom strut can be disconnected from the forward strut by operating a releasable pivot joint so that the strut can be folded up against the rear strut. A universal joint between struts then allows these two struts to be folded to lie alongside one another with a pair of wheels lying side by side. Cranked portions and of the struts provide offset supports for the wheels to one side only so that they can readily be positioned side by side and ideally locked together. The folded framework can then be transported, if required, by grasping a support or handlebars and running the unit along the ground on the pair of wheels. A saddle is adjustably mounted on the rear strut by a sliding support having fixing clamps. The bicycle is preferably driven from pedals by means of a drive belt rather than a chain and the front pulley can incorporate a freewheel unit and/or gearing.

502632

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