Patent ID: 7275345
Filing Date: 2007-10-02
Classification: A47G,B62B

Abstract:
1. A lifting system, comprising: a support surface having a base, said base having formed therein a bottom and sidewalls, said sidewalls having a cavity formed therebetween having an upper wall; a lift platform situated in said cavity, said lift platform having upper and lower surfaces, said lower surface having wheels mounted thereto; a lift bladder situated upon said lift platform within said cavity formed in said base; whereby said bottom of said base is formed to rest upon the ground until said lift bladder is filled with fluid, whereupon said lift bladder expands to engage said side walls and upper wall forming said cavity so as to prevent further sideways and upward expansion of said bladder, facilitating force against said lift platform to lift said base from the ground so that said base is supported by said wheels mounted to said lower surface of said lift platform.