Land vehicles – Wheeled – Occupant propelled type
Patent
1991-10-28
1992-09-22
Marmor, Charles A.
Land vehicles
Wheeled
Occupant propelled type
280287, B62K 1700, B62K 1500
Patent
active
051491192
ABSTRACT:
A folding bicycle having two handlebars which can be rotated upwards into a horizontal position for steering control or downwards into a collapsed position to reduce space occupation, a toggle joint fastened in a top tube for permitting the top tube to be folded up, and a shock-absorbing device fastened in a down tube for absorbing shock-waves and permitting the down tube to be folded up into a collapsed position.
REFERENCES:
patent: 2211164 (1940-08-01), Rippenbein
Marmor Charles A.
Zeender Florian
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