Restraining devices

Abstract

A bail assembly including bail members moveable between operative engaged positions and a disengaged position; bail actuating structure for quickly moving the bail members between the operative engaged positions and the disengaged position, and holding devices for holding the bail members at any selected operative engaged position. Preferably the holding device is a selectively releasable self locking hydraulic cylinder assembly which includes adjustable holding device, a locking chamber associated with the adjustable holding device which may be filled to lock the adjustable holding device, control structure for controlling flow of fluid to and from the locking chamber, and actuating structure for selectively actuating the control structure.

Dependencies are inferred from the claim text.