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Telescoping columnsAn extendable column is described which consists of several axially elongated rigid structural sections nested within one another. Each section includes a number of rotatably attached screws running along its length. The next inner section includes threaded lugs oriented to threadingly engage the screws. The column is extended or retracted upon rotation of the screws. The screws of each section are selectively rotated by a motor and an engagement mechanism.
Document ID
19810018786
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Mazur, J. T. (Harris Corp. Melbourne, Fla., United States)
Date Acquired
September 4, 2013
Publication Date
December 16, 1980
Subject Category
Engineering (General)
Report/Patent Number
Patent Number: US-PATENT-4,238,911
Patent Number: NASA-CASE-LAR-12195-1
Patent Application Number: US-PATENT-APPL-SN-946991
Accession Number
81N27324
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-PATENT-4,238,911|NASA-CASE-LAR-12195-1
Patent Application
US-PATENT-APPL-SN-946991

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