Wheel assembly adapted to be mounted on a wheel-bearing tube of

Details Wheel assembly adapted to be mounted on a wheel-bearing tube of Wheel assembly adapted to be mounted on a wheel-bearing tube of

1998-02-27

1999-06-29

Crow, Stephen R.

Exercise devices

Involving user translation or physical simulation thereof

Bicycling

16 19, A63B 6906

Patent

active

059160667

ABSTRACT:
A wheel assembly includes a molded tubular wheel-mounting member and an annular wheel. The wheel-mounting member has a left portion for press-fitting into an open end of a wheel-bearing tube, and a right portion formed with a closed end wall. A first outward flange projects radially from the closed end wall. A second inward flange is disposed circumferentially on the right portion and is inboard to the first outward flange, thereby defining an annular groove between the first and second outward flanges. The second outward flange has an outer diameter greater than an inner diameter of the wheel-bearing tube to abut against the wheel-bearing tube and limit axial extension of the wheel-mounting member when the left portion is press-fitted into the wheel-bearing tube. The wheel includes a right inner wall section, a left inner wall section which defines an inner diameter greater than an outer diameter of the wheel-bearing tube, and an annular inward protrusion which is proximate to the right inner wall section and which has an inner diameter slightly smaller than the outer diameter of the second outward flange so as to permit sliding of the second outward flange over the annular inward protrusion when forced in an axial direction, thereby retaining rotatably the wheel on the wheel-mounting member.

REFERENCES:
patent: 2456939 (1948-12-01), Haase
patent: 4653968 (1987-03-01), Rapata et al.
patent: 4733858 (1988-03-01), Lah
patent: 5326339 (1994-07-01), Wang
patent: 5357868 (1994-10-01), Maas
patent: 5439432 (1995-08-01), Lundin et al.
patent: 5651754 (1997-07-01), Chen

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