Vacuum arm joint assembly
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United States of America Patent
Stats
-
Feb 14, 1995
Grant Date -
N/A
app pub date -
Jul 31, 1992
filing date -
Aug 2, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A friction joint assembly 20 comprising a first arm 21 and a second arm 22 pivotally connected about pivot means, the pivot means including mechanical adjustment means comprising opposed frictional components adapted to be urged, one against the other, axially from a central axis region 23 about which the opposed frictional components are generally radially disposed. In a particular form, the opposed frictional components comprise a tubular member 24 on the one hand and opposed half members 26a, 26b located within the tubular member 24 on the other hand having a common frictional surface defined between them. The friction joint assembly 20 forms part of a vacuum arm assembly including at least one bendable joint supported by the friction joint assembly 20.
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