Land vehicles: wheels and axles – Wheel – Detachable wheel section
Patent
1975-09-05
1977-05-03
Reeves, Robert B.
Land vehicles: wheels and axles
Wheel
Detachable wheel section
301 63D, B60B 1106
Patent
active
040210774
ABSTRACT:
A dual truck wheel assembly including a wheel having a hub rotatably supported on an axle. A pair of tire rims are removably supported on the wheel in axially spaced relationship to one another. Lugs and lug bolts secured to the wheel engage the outer rim for forcing the outer rim axially toward the inward rim for applying a retaining force to prevent rotation of the rims relative to the wheel. A rim lock assembly is disposed between the rims for continually re-establishing the retaining force in response to relative rotation between the rims in the event the lug bolts loosen. The rim lock assembly includes a plurality of elliptical cam plates engaging the adjacent rims. The cam plates have serrated peripheries whereby when the rims rotate relative to one another the frictional engagement between the cam plates and the rims causes the cam plates to rotate about a central axis urging the rims apart so that the outer rim is moved in a direction to place the lug bolts in tension.
REFERENCES:
patent: 1878213 (1932-09-01), Walther
patent: 2599248 (1952-06-01), Forbes et al.
patent: 3143376 (1964-08-01), Federico
patent: 3623772 (1971-11-01), Walther
patent: 3811736 (1974-05-01), DeRegnaucourt
Marmor Charles A.
Reeves Robert B.
United States Steel Corporation
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