Disconnectible apparatus comprising a double bayonet coupling

摘要

A bayonet drive coupling comprises a barrel and end fitting to be connected by a first bayonet coupling and a spindle and sleeve to be connected by a second bayonet coupling. The second bayonet coupling comprises a slot having a straight entry portion and an oblique second slot portion to receive a pin of the spindle, whereby axial movement of the sleeve is actuated as the pin moves along the second slot portion.