Land vehicles – Wheeled – Occupant propelled type
Patent
1974-09-11
1976-11-23
Betts, Kenneth H.
Land vehicles
Wheeled
Occupant propelled type
280281R, B62K 1500
Patent
active
039933229
ABSTRACT:
Bicycle, in particular a folding bicycle, substantially comprising elements manufactured out of rectangular strips of thin sheet material of substantially the same width which have been folded and bent and with interhooks composed into hollow profiles which may be filled with hard plastic foam.
REFERENCES:
patent: 1584314 (1926-05-01), Mamiya
patent: 2378961 (1945-06-01), Wallace et al.
patent: 2537325 (1951-01-01), Bowden
patent: 2777711 (1957-01-01), Yokomaki
patent: 3015498 (1962-01-01), Tanaka et al.
patent: 3220748 (1965-11-01), Moulton
patent: 3292947 (1966-12-01), Musichuk
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