Hollow shell frames for bicycles and other human-powered vehicle

Details Hollow shell frames for bicycles and other human-powered vehicle Hollow shell frames for bicycles and other human-powered vehicle

1994-01-31

1995-11-07

Focarino, Margaret A.

Land vehicles

Wheeled

Occupant propelled type

2802883, B62K 1916, B62K 1918

Patent

active

054642400

ABSTRACT:
A hollow shell frame for bicycles and other human powered vehicles is disclosed. The frame is constructed from plastic molded partial shells that are assembled into tubing that comprises the frame. The partial shells have protrusions and receptacles joining faces of their skins that are used to join the shells together to form the tube. This results in a lightweight, durable and aesthetically pleasing frame. In an alternative embodiment, the partial shells have protrusions and receptacles within their interiors for additional strength. Additional fasteners such as screws, bolts or rivets may be used for reinforcement of the partial shells. A method for manufacturing the frame is also disclosed.

REFERENCES:
patent: 3533643 (1970-10-01), Yamada
patent: 4067589 (1978-01-01), Hon
patent: 4548422 (1985-10-01), Michel et al.
patent: 4550927 (1985-11-01), Resele
patent: 4593929 (1986-06-01), Williams
patent: 4865337 (1989-01-01), Disler
patent: 5011172 (1991-04-01), Bellanca et al.
patent: 5092614 (1992-03-01), Malewicz
patent: 5253888 (1993-10-01), Friedrich

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