Wheelwright machines – Wheel holding means – Including relatively movable wheel gripping jaws
Patent
1984-03-22
1988-11-01
Smith, James G.
Wheelwright machines
Wheel holding means
Including relatively movable wheel gripping jaws
269 481, B60C 2500
Patent
active
047812338
ABSTRACT:
An expandable tire hub apparatus having a hub member, a plurality of shoe members radially expandable from the hub member and a plurality of piston members interconnecting the hub member to each of the shoe members, the piston members responsive to fluid pressure on them, and including guide members interconnecting the shoe assemblies and the hub members for maintaining equal retraction and expansion of the hub members during the operation of the apparatus. The apparatus also includes a flexible belt member positioned around the circumference of each of the shoe assemblies sealingly engaging the bead of the tire when the shoe assemblies are in the expanded position. There is further provided a manner for injecting air into the interior of the tire while the tire is mounted on the expanded shoe assemblies.
REFERENCES:
patent: 3770032 (1973-11-01), Stull
patent: 3770287 (1973-11-01), Weber et al.
patent: 4070915 (1978-01-01), Caroff
patent: 4184664 (1980-01-01), Ouriet et al.
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