Device for releasing a rotational-locking actuating member
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United States of America Patent
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-
Aug 12, 1986
Grant Date -
N/A
app pub date -
Apr 12, 1983
filing date -
Apr 21, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotational-locking member such as an endless screw for actuating a sliding door by means of a nut is locked in position by rotational displacement of the nut and is unlocked by means of a device comprising a pulley coupled to the endless screw and rigidly fixed to a clutch-disk. A second clutch-disk slidably mounted on a square sleeve of a bevel-pinion can be rotated by means of a pair of bevel-pinions and a lever. A lug of the second disk cooperates with a helical groove of a stationary cam in order to subject the disk to a helical movement, the rotational motion component of which is imparted to the endless screw after engagement of the disks in order to unlock the screw.
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