Land vehicles: wheels and axles – Wheel – Tension wheel; e.g. – spoke
Patent
1997-04-25
1998-07-14
Stormer, Russell D.
Land vehicles: wheels and axles
Wheel
Tension wheel; e.g., spoke
301 59, 301104, B60B 102
Patent
active
057793239
ABSTRACT:
A spoked wheel includes a wheel rim, a wheel hub, and a plurality of spokes that are formed integrally from fiber reinforced plastic and that interconnect the wheel rim and wheel hub. Each spoke has an intermediate portion with a symmetrical oval cross-section, a nub larger than spoke apertures in hub flanges of the wheel hub, and a bend interconnecting the nub and the intermediate portion. The bend changes gradually from the circular cross-section of the nub to the oval cross-section of the intermediate portion. The nub and the bend have abutment faces which contact tightly inclined faces of a corresponding spoke aperture so as to secure the nub and the bend on inner and outer sides of the hub flange. Each spoke further has a foot portion and a transitional portion extending from the intermediate portion and changing gradually from the oval cross-section to an elliptical cross-section of the foot portion. Each of a plurality of washers is disposed between the wheel rim and one of the spokes. Each of a plurality of spoke fasteners extends through the wheel rim and one of the washers, and engages a metal fastener axially embedded in the foot portion of one of the spokes so that the spokes can be placed under tension when connecting the wheel rim to the wheel hub to impart rigidity to the spoked wheel.
REFERENCES:
patent: 1814531 (1931-07-01), Stoler
patent: 4729605 (1988-03-01), Imao et al.
patent: 4930843 (1990-06-01), Lewis
patent: 5080444 (1992-01-01), Hopkins et al.
patent: 5110190 (1992-05-01), Johnson
patent: 5246275 (1993-09-01), Arredondo
patent: 5350221 (1994-09-01), Pearce et al.
patent: 5489147 (1996-02-01), Borsai
Giant Manufacturing Co. Ltd.
Stormer Russell D.
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