发明名称 MAST STRUCTURE
摘要 Herein described is a sailboat mast which is elongated to carry a sail thereon. The mast in the cross-section view is shaped having a transverse section thinner than the longitudinal section. It is positionable in the sailboat with the thicker longitudinal section being positioned on the port and starboard side of the sailboat, and with the thinner transverse portion of the cross-section positioned fore and aft of the sailboat. The sail track is positionable on the mast in the section towards the aft part centered in the substantially center of the thinner portion of the mast.
申请公布号 US3795215(A) 申请公布日期 1974.03.05
申请号 USD3795215 申请日期 1972.04.24
申请人 BUTLER F,US 发明人 BUTLER F,US
分类号 B63B15/00;(IPC1-7):B63B15/00 主分类号 B63B15/00
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