PURPOSE: To provide a floor firstly capable of easily loading and unloading even a cargo of heavy weight, secondly capable of realizing it excellently in aspects of a space, weight, cost, etc., thirdly capable of smoothly carrying out delivery at the time of loading and unloading and excellent in an aspect of working efficiency and fourthly capable of easily and safely carrying out operation between a non-used state and a used state manually.

CONSTITUTION: This floor for receiving a cargo is devised to be used at the time of loading and unloading a cargo A of heavy weight against a container 10 and a vehicle load-carrying platform and to place the cargo A on it once for delivery. It is constituted by having a floor main body 12 free to revolve and displace to a non-used state where the cargo A is stored vertically and a horizontal used state where the cargo A is flatly set almost without any clearance against a floor surface 3 of the container 10 and the vehicle load- carrying platform, a hinge part 13 to install this floor main body 12 free to revolve and displace, a buffer mechanism 14 at the time of revolution and displacement and a jack 15 to hold the used state.