Patent ID: 6997724

Claim:
For use with the connector assembly of an aircraft and for preventing re-connection of the connector assembly to the receptacle of an aircraft battery, the connector assembly including a housing, a rotatable shaft extending from the connector assembly housing, the shaft having diametrically opposed helical grooves with terminating detents, a locking device comprising: a locking device housing having an axial bore forming an outer shell and having rotational stops, an axial socket having projecting pins, and ball bearing nests; a lock received within the bore for rotation within the housing bore and secured to the housing having a key cam rotatable within the bore until hitting the stops; and, a cup-shaped rotary cam secured within the bore and having an interior wall, and ball bearings projecting from the interior wall, whereby, upon placement and rotation of the connector assembly shaft within the socket, the axial socket projecting pins are engaged in the connector assembly grooves until stopped at the terminating detents, and upon further rotation of the lock, the rotary cam ball bearings are forced into the ball bearing nests and project into the connector assembly grooves to lock the locking device onto the connector assembly shaft.