Telescopic assembly
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United States of America Patent
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Feb 14, 2017
Grant Date -
Jun 16, 2016
app pub date -
Jul 24, 2014
filing date -
Jul 24, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A telescopic assembly comprises a first portion and a second portion and a support bearing assembly that acts between the two portions; the two portions being able to move relatively along a common path during telescopic adjustment; the support bearing assembly being located between the two portions and locating the two portions relative to one another to remove free play between the two portions that would otherwise occur in at least one direction orthogonal to the telescopic movement; characterized in that the support bearing assembly is fixed in position between the two portions by a release mechanism that is arranged, in use, to cause the support bearing assembly to grip both the first and second portions when they are not moving telescopically, to automatically release that grip upon relative telescopic movement of the two portions that exceeds a predetermined distance, and to automatically re-engage.
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