NASA NTRS · 19910000330
Lightweight Memory-Metal Pin Puller
Abstract
Memory-metal pin puller designed for use in aperture-cover mechanism of camera aboard spacecraft adapted to small-volume instrument environments that must be kept free of contamination. Includes memory-metal wires pulling pin when heated. Small and light in weight, uses relatively simple electronic drive circuitry consisting of timed source of current. Adapted to operate at cryogenic temperatures and in vacuum as well as in normal-temperature environment, cycled large number of times without degradation of performance.
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Ford, Virginia G., Johnson, Michael R., Johnson, A. David. 1991-07-01. Lightweight Memory-Metal Pin Puller. https://ntrs.nasa.gov/citations/19910000330
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