发明名称 Inline classic skiing track glazing machine
摘要 A machine towed by a snowmobile that forms parallel cross country snow skiing tracks and having a water container mounted thereon, which streams water through two water outlet ports by gravity and assist from the use of an air pump, powered by a storage battery to the bottom portion of the skiing tracks, where the water turns to ice in below freezing temperatures, thus imparting a slippery surface to the tracks, which provides an improved skiing surface that enhances the gliding action for the enjoyment of a skier.
申请公布号 US7543400(B2) 申请公布日期 2009.06.09
申请号 US20050129835 申请日期 2005.05.16
申请人 KRAMER JERRY VERNARD 发明人 KRAMER JERRY VERNARD
分类号 E01H4/00 主分类号 E01H4/00
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