NASA NTRS · 19730000070
Redundant screwjack
Abstract
Device uses differential gears to drive either one of two nut-screw assemblies. In event that one assembly jams, second assembly is driven at twice its normal rate with no loss in overall performance.
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Benjamin, R. W.. 1973-08-01. Redundant screwjack. https://ntrs.nasa.gov/citations/19730000070
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