Load cart dual-purpose air cushion device

摘要

(57) Abstract This invention fits to the container of the pressure tight material (piston) (10) and the container (piston) (10) top with the rigid body like the steel, in regard to the air cushion for the transport vehicle, the air is jointed by compressed air source, for example has the bellows (9) of the nylon strengthening rubber. This invention in the opening (12) of bellows (9) direction the air stoppage valve (13) is characterized it is provided (piston) (10) by.