Self-locking swivel stacking pin tool

A swivel stacking pin tool for insertion and removal of swivel stacking pins in and from a second cargo container wherein said swivel stacking pins are employed to provide spacing support for stacking said second cargo container on a first cargo container, said swivel stacking pins being of a type comprising a pin housing with a spacer section and top and bottom insert sections on opposite sides of the spacer section, top and bottom swivel locking heads respectively on opposite sides of the housing adjacent the respective top and bottom insert sections, and a rotatable axle rigidly attached to the swivel locking heads mounted for rotation in the housing, said insert sections and said swivel locking heads being elongated in a direction perpendicular to said rotatable axle, said swivel locking pin tool comprising:

• an elongated handle including an elongated shaft with a handgrip at a hand end thereof and a pin-housing engaging member at a pin end thereof for engaging a pin housing of a swivel stacking pin near a bottom swivel-locking head thereof and allowing an operator to manipulate the swivel stacking pin with the elongated handle;
• a locking-head actuator having an elongated force-transmittal portion extending along said elongated shaft of said elongated handle and being slidably mounted thereon, a trigger attached to a hand end of said force-transmittal portion close to the handgrip, and a locking-head rotator attached to a pin end of the elongated force-transmittal portion for engaging the bottom swivel locking head;
• whereby an operator can manipulate said elongated handle to bring said pin-housing engaging member into engagement with the bottom insert section of said housing of said swivel stacking pin at said bottom swivel locking head, said trigger can be moved by the operator to cause said rotatable axle to rotate and thereby cause said top swivel locking head to rotate and align with the top housing insert section so that the top swivel locking head and the top housing insert section can be inserted into a hole in said second cargo container by manipulation of said swivel stacking pin tool.