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Control-Chain Safety Tray and Friction PullTray mounted above suspended ceiling keeps sprinkler-system control chain safely out of way of pedestrian traffic below. Tray reached easily by using fireman's hook short stepladder, or chair or by jumping up to grasp chain. Safety tray used for infrequently used control chains on vents and dampers.
Document ID
19830000416
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Hajdik, G.
(Pan American World Airways, Inc.)
Peek, C. R.
Date Acquired
August 11, 2013
Publication Date
April 1, 1984
Publication Information
Publication: NASA Tech Briefs
Volume: 8
Issue: 1
ISSN: 0145-319X
Subject Category
Machinery
Report/Patent Number
MSC-20401
Accession Number
83B10416
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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