发明名称 Inflatable boat assembly
摘要 An inflatable boat assembly comprises a hull including a recess disposed at the front outside portion thereof and longitudinal grooves disposed at the outer side walls thereof, and an inflatable U-shaped floating tube containing longitudinal projecting rails disposed at the inner side walls thereof for tightly engaging the tube to the hull whereby the boat assembly provides an improved floating force which produces improved safety against sinking.
申请公布号 US4779555(A) 申请公布日期 1988.10.25
申请号 US19870049220 申请日期 1987.05.13
申请人 HONG, KWANG S. 发明人 HONG, KWANG S.
分类号 B63B7/08;F02B61/04;(IPC1-7):B63B7/08 主分类号 B63B7/08
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