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Securing mechanism for the deployable column of the Hoop/Column antennaThe Column Longeron Latch (CLL) was designed and developed as the securing mechanism for the deployable, telescoping column of the Hoop/Column antenna. The column is an open lattice structure with three longerons as the principal load-bearing members. It is divided into telescoping sections that are deployed after the antenna is place in Earth orbit. The CLL provides a means to automatically lock the longeron sections into position during deployment as well as a means of unlocking the sections when the antenna is to be restowed. The CLL is a four bar linkage mechanism using the over center principle for locking. It utilizes the relative movement of the longeron sections to activate the mechanism during antenna deployment and restowing. The CLL design is one of the first mechanisms developed to meet the restowing requirements of spacecraft which will utilize the STS retrieval capability.
Document ID
19830016620
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Ahl, E. L., Jr.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 11, 2013
Publication Date
May 1, 1983
Publication Information
Publication: JPL The 17th Aerospace Mech. Symp.
Subject Category
Mechanical Engineering
Accession Number
83N24891
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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