Bolt-nut tightening device having means for preventing abnormal rotation
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United States of America Patent
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Sep 8, 1987
Issued Date -
N/A
app pub date -
Jun 27, 1986
filing date -
Jun 30, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bolt-nut tightening device comprising an epicyclic train including a tubular internal gear case and a planet gear support frame, an outer socket coupled to the gear case, an inner socket connected to the support frame and a one-way rotation permitting member provided between the gear case and the main body of the device for preventing the two sockets from rotating at a high speed in the same direction.
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