US Patent 9814421 Apparatus for determining lifting capacity

Apparatus for measuring lifting capacity are described. An apparatus for measuring lifting capacity has a container having an open top, opposed parallel side walls, a front wall, a back wall, and a base extending between the walls which defines an open space between the walls; and a handle removably attached to the base. The handle includes a bottom plate; a rod that extends vertically from the bottom plate, and a grip portion that is configured to connect to a locking means formed in a top portion of the rod.