发明名称 Timing device for skiers
摘要 This invention consists of a ski pole with a handle on which a liquid crystal display (LCD) chronometer is detachably mounted. The chronometer is mounted inside the push button at the top of the ski pole handle and held in place by a lens and four set screws. The push button is located as to be actuable by the thumb of the skier.
申请公布号 US4930810(A) 申请公布日期 1990.06.05
申请号 US19890326114 申请日期 1989.03.20
申请人 ADDISON, JR., OSWALD G. 发明人 ADDISON, JR., OSWALD G.
分类号 A63C11/22 主分类号 A63C11/22
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