| 摘要 |
A universal self-centering device for heads or sensors for checking the trim of the wheel assemblies of motor vehicles in general, comprising a contoured plate, which is provided with a central hub for supporting a head which is adapted to acquire the trim data of a wheel assembly of a motor vehicle; with a circumferential plurality of radial slots, with which respective double-acting grip claws are slidingly associated, the claws being adapted to engage, from the inside and from the outside, the bead retaining rim of a wheel; and a grip unit, which is adapted to fasten onto the tire mounted on the wheel and comprises a common actuation element, which is placed at the center of the plate and is kinematically coupled to the claws so as to make them slide along the slots with a simultaneous mutual approach or spacing motion.
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