Joint for a cantilever arm on a satellite
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United States of America Patent
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Jul 14, 1998
Grant Date -
N/A
app pub date -
Jun 3, 1996
filing date -
Jun 27, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a joint for folding and unfolding a cantilever arm on a satellite. Pivoting of the cantilever arm during unfolding is governed by a guide element which is rigidly connected with the end of the cantilever arm and is held against stop plates which are rigidly attached to the satellite, by means of at least one coil tension spring connected with cantilever arm and with satellite itself. Each of the stop plates has first, second, and third unfolded stops which cooperate with the guide element. The first and second unfolded stops are mounted symmetrically with respect to the motion plane of cantilever arm. During unfolding of the cantilever arm, the guide element strikes alternately the first two unfolded stops on the one hand and the third unfolded stop on the other hand; and with cantilever arm in the unfolded state it abuts all three unfolded stops. Two additional stops rigidly connected with satellite are provided for guide element, on which cantilever arm rests in the folded state.
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