发明名称 Flexible encapsulated spring stringer for bodyboard
摘要 A variable flexible bodyboard comprises a lightweight, generally elongated, foam core material having a top skin layer and a bottom skin layer with a front nose end and a rear tail end. The bodyboard has also an elongated stringer element having a one end and an other end, and composed of at least one stiffener material, of a defined length, to impart stiffness to the bodyboard, and at least one flexible material, of a defined length, to impart flexibility to the bodyboard. The stringer element is positioned and secured within the foam core material of the bodyboard; and a helical spring is disposed within the stringer element imparting additional resiliency to the stringer element.
申请公布号 US7347754(B1) 申请公布日期 2008.03.25
申请号 US20070702244 申请日期 2007.02.03
申请人 BAMBA INTERNATIONAL (CANADA) LTD 发明人 CHEUNG WAH KAN
分类号 B63B1/00 主分类号 B63B1/00
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