发明名称 Personal flotation device
摘要 A personal flotation device (PFD) comprises a front flotation portion overlaying an upper region of a wearer's chest and a rear flotation portion overlaying an upper region of the wearer's back. The front flotation portion is joined with the rear flotation portion along a transverse top edge of the PFD adapted to overlay shoulders of the wearer. A seat portion is adapted to extend between the wearer's legs and is substantially free of buoyant materials relative to the main flotation member. At least one fastening strap is releasably fastenable to retain the main flotation member in place on the wearer. A majority of buoyancy provided by the PFD is disposed above a horizontally extending reference axis which corresponds to a center of gravity of the wearer. At least one ballast weight may also be provided and is disposed below the reference axis.
申请公布号 US7255621(B2) 申请公布日期 2007.08.14
申请号 US20050148361 申请日期 2005.06.09
申请人 DESLAURIERS JULIEN PASCAL 发明人 DESLAURIERS JULIEN PASCAL
分类号 B63C9/08 主分类号 B63C9/08
代理机构 代理人
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