发明名称 Device for preparing snow
摘要 The present invention relates to a device for working a snow surface, comprising an endless flexible band, snow-working members arranged on the outside of the band, support means for supporting and guiding the band, drive means capable of moving the band around the support means. The invention is characterised in shaping means arranged and designed such as to be capable of changing the shape of the part of the band that is in contact with the snow-surface during work.
申请公布号 US2003177668(A1) 申请公布日期 2003.09.25
申请号 US20030360646 申请日期 2003.02.10
申请人 ERIKSSON GUSTAF;THORS ULF ERIK 发明人 ERIKSSON GUSTAF;THORS ULF ERIK
分类号 E01H4/02;(IPC1-7):E01H4/00 主分类号 E01H4/02
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