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Ball-joint grounding ringIn ball and socket joint where electrical insulator such as polytetrafluoroethylene is used as line to minimize friction, good electrical contact across joint may be needed for lightning protection or to prevent static-charge build-up. Electrical contact is maintained by ring of spring-loaded fingers mounted in socket. It may be useful in industry for cranes, trailers, and other applications requiring ball and socket joint.
Document ID
19800000405
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Aperlo, P. J. A.
(Rockwell International Corp)
Buck, P. A.
(Rockwell International Corp.)
Weldon, V. A.
(Rockwell International Corp.)
Date Acquired
August 10, 2013
Publication Date
January 1, 1981
Publication Information
Publication: NASA Tech Briefs
Volume: 5
Issue: 3
ISSN: 0145-319X
Subject Category
Machinery
Report/Patent Number
MSC-18824
Accession Number
80B10405
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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