Automatic lock for mechanisms controlling various movements of the gripping pliers of a remote handling device when dismounting the ball and socket joint bearing these pliers
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United States of America Patent
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-
Apr 10, 1990
Grant Date -
N/A
app pub date -
Jan 9, 1989
filing date -
May 20, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Strips (20), housed in the slave arms (10) of a remote handling device and used for transmitting to the pair of gripping pliers borne by this arm orientation and tightening movements remote controlled by an operator, rotate pinions (26a) mounted at the extremity of the slave arm (10). These pinions (26a) are normally geared onto pinions (30a) mounted in a ball and socket joint (16) inserted between the pliers and the slave arm. When the ball and socket joint is dismounted, any attempt to remove the strips (20) is made impossible by the locking devices (60a) which come to rest onto the flanks of the pinions (26a) under the action of the spring (72). Any breakage of the strips due to their being pulled during dismantling of the ball and socket joint is thus avoided.
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