Portable bicycle

Details Portable bicycle Portable bicycle

2006-07-25

2006-07-25

Morris, Lesley D. (Department: 3611)

Land vehicles

Wheeled

Occupant propelled type

C280S287000, C280S281100

Reexamination Certificate

active

07080847

ABSTRACT:
A portable bicycle comprises a front bar having a front end coupled to a head tube, a rear frame section including a lower seat tube extended upwardly from a bottom bracket, a upper seat tube spaced and aligned with the lower seat tube, and a hollow rear bar for slidably receiving the front bar, the rear bar being intersected the upper and lower seat tubes, and a fastening mechanism for securing the front bar to the rear bar. Detaching a seat post and a saddle, unfastening the fastening mechanism, fully projecting the front bar from a rear opening of the rear bar, and fastening the fastening mechanism will shorten the distance between front and rear wheels to a minimum and facilitate the bicycle to store or carry in a much reduced size.

REFERENCES:
patent: 617536 (1899-01-01), Baldwin
patent: 1474531 (1923-11-01), Kirschbaum
patent: 2993709 (1961-07-01), Wick
patent: 3215459 (1965-11-01), Baldwin
patent: 3658354 (1972-04-01), Read
patent: 3876231 (1975-04-01), Geisel
patent: 4973074 (1990-11-01), Robinson
patent: 5337609 (1994-08-01), Hsu
patent: 5398955 (1995-03-01), Yeh
patent: 5607171 (1997-03-01), Labranche
patent: 6364335 (2002-04-01), Mombelli
patent: 6712375 (2004-03-01), Chao
patent: 6854752 (2005-02-01), Chao

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