A built-up air cushion

Details A built-up air cushion A built-up air cushion

A - Human Necessities

47

C

A47C 27/10 (2006.01) B68G 5/00 (2006.01)

Patent

CA 2309367

A built-up air cushion mainly includes a bottom wall and a plurality of inflatable units separately and detachably connected to the bottom wall. The inflatable unit each includes a base on which suitable numbers of air cells are provided. Each inflatable unit is provided at the base with an air inlet for inflating or bleeding the air cells in order to adjust an air pressure in each inflatable unit to meet actual need, or to deflate the inflatable units for convenient storage of the air cushion. While the inflatable units may be massively manufactured with only one type of mold at reduced cost, air cushions of different sizes and shapes may be easily formed by attaching desired numbers of inflatable units to bottom walls having desired sizes and shapes.

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