Collapsible bicycle frame

Details Collapsible bicycle frame Collapsible bicycle frame

1995-03-01

1997-01-07

Focarino, Margaret A.

Land vehicles

Wheeled

Occupant propelled type

280287, B62K 1500

Patent

active

055908950

ABSTRACT:
The frame (2) for a collapsible bicycle of the present invention includes a head tube (10), a front frame (11), a rear frame (12), a handlebar locking mechanism (14)and a frame locking mechanism (17). On the head tube (10) the front fork (4) is mounted to support the front wheel (5). The front frame (11) is coupled to the head tube (10) in a manner that allows the leading edge to freely rotate perpendicular around the axis using a bearing (13). The rear frame (12) is coupled to the front frame (11) in a manner that allows the leading edge to freely rotate perpendicular around the axis using a hinge (16) as well as be able to support the rear wheel (6) on other edges. The handlebar locking mechanism (14) locks and freely releases the head tube (10) and front frame (11). The frame locking mechanism (12) locks and freely releases the front frame (11) and rear frame (12).

REFERENCES:
patent: 528874 (1894-11-01), Hall
patent: 1584314 (1926-05-01), Mamiya
patent: 3015498 (1962-01-01), Tanaka et al.
patent: 4438942 (1984-03-01), Hon
patent: 4934724 (1990-06-01), Allsop et al.
patent: 5282639 (1994-02-01), Chen

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