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专利名称：COMBINATION SEAT PAD发明人：Howard CHIN申请号：US15281266申请日：20160930
公开号：US201800252A1公开日：20180308
专利附图：
摘要：A seat pad has a circular central pad element and at least one annular padelement. The circular central pad element is inflatable. The at least one annular padelement is inflatable and is mounted concentrically around the central pad element. Atleast one set of an annular combination recess and an annular combination protrusion is
formed between the central pad element and the at least one annular pad element toconnect the central pad element and the at least one annular pad element with eachother. The combination recess has at least one engaging rib formed on an inner surfaceof the combination recess. The combination protrusion has at least one engaging recessformed in an outer surface of the combination protrusion and engaged respectively withthe at least one engaging rib of the combination recess.
申请人：T. K. CHIN COMPANY LTD.
地址：TAIPEI TW
国籍：TW
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