Patent ID: 7976085

Claim:
A lift member safety latch combination comprising: a lift member; a drive mechanism supported by the lift member; a actuator positioned adjacent the drive mechanism and supported by the lift member; and a confinement member in sliding communication with the lift member, position responsive to the drive mechanism, and state responsive to the actuator, in which the drive mechanism comprises a hook lock positioning mechanism, the hook lock positioning mechanism comprising: a worm gear; a worm coupling communicating with the worm gear; a slide member interacting with the lift member; a support bracket disposed between the worm coupling and the slide member; a hinge pin secured to the slide member; and a retention member pivotally attached to the support bracket via the hinge pin, wherein the retention member is in a locked state when the retention member is disengaged from the folding actuator, and in an open state when the retention member is interacting with the folding actuator.