Abstract: A stacking mast for being attached to a lift truck and for moving a load between a negative position and a positive position. The stacking mast includes an elongated first mast, the first mast including a lower end for being attached to the lift truck and including an upper end; an elongated second mast, the second mast including a lower end and an upper end; a floating carriage having a first securing structure for being slidably secured to the first mast and a second securing structure for being slidably secured to the second mast; a support carriage slidably attached to the second mast for supporting the load; and lift structure for moving the support carriage between a lower position and an upper position on the second mast and for moving the second mast between a lower position and an upper position on the first mast.

Abstract: An apparatus for clamping pipes and the like to the forks of a forklift truck. A flapper arm is pivotally attached to a frame member which straddles each fork of the truck. A clamp arm is pivotally attached to the opposite end of the flapper arm. A single piston extends between the frame member and clamp arm to cause the clamp arm to move between opened and closed positions.