Chuck for a tyre changing machine
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United States of America Patent
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Feb 19, 2013
Issued Date -
N/A
app pub date -
May 29, 2008
filing date -
Jul 30, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A tyre-changing machine including a chuck having a self-centring group for blocking a rim of a wheel. The self-centring group includes blocking jaws of the rim arranged angularly equidistanced along a circumference centred on a rotation axis of the chuck, and links and a jack for moving for radially distancing and nearing the blocking jaws with respect to the rotation axis of the chuck to vary a diameter of the circumference on which the blocking jaws are arranged while maintaining an inclination of each blocking jaw constant with respect to the rotation axis of the chuck. Each blocking jaw includes a first portion that is connected to the links, and a second portion that is movably coupled to the first portion such as to be able to change an overall development of the blocking jaw in a radial direction with respect to the rotation axis of the chuck.
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