Expanding and contracting bicycle rim

Details Expanding and contracting bicycle rim Expanding and contracting bicycle rim

1993-08-03

1994-09-20

Stormer, Russell D.

Land vehicles: wheels and axles

Wheel

Detachable wheel section

301 34, 301 95, B60B 2100

Patent

active

053483790

ABSTRACT:
An improved wheel for a bicycle or similar vehicle has a segment in the rim of the wheel which is selectively removable from the usual circular path of the rim, creating a gap in the rim. The rim is then contracted to form a smaller circle. With the smaller diameter, a tire, with or without a tube, can be placed on, or removed from, the rim without the necessity to stretch or otherwise deform the tire or tube. The spokes are held with respect to the rim during contraction of the rim, so the spokes bow during contraction. A band extends around the rim to hold the spoke ends, and one end of the band spans the gap to maintain alignment of the rim so the rim is always circular.

REFERENCES:
patent: 1337652 (1920-04-01), Hoecker
patent: 1455684 (1923-05-01), Varner
patent: 1535398 (1925-04-01), Carver
patent: 1611046 (1926-12-01), Klingaman
patent: 1667243 (1928-04-01), Cameron
patent: 1855000 (1932-04-01), Robinson
patent: 1863235 (1932-06-01), Benson
patent: 1903566 (1933-04-01), Wagonhorst

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