发明授权
US4491438A Delineator pole, more particularly for skiing race courses, having a
pivotable arrangement
失效
划线杆，更具体地说是用于滑雪赛道，具有可枢转的安排
- 专利标题： Delineator pole, more particularly for skiing race courses, having a pivotable arrangement
- 专利标题（中）： 划线杆，更具体地说是用于滑雪赛道，具有可枢转的安排
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申请号： US466847申请日： 1983-02-16
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公开(公告)号： US4491438A公开(公告)日： 1985-01-01
- 发明人: Giampiero Berutti
- 申请人： Giampiero Berutti
- 申请人地址： ITX Brissago Valtravaglia
- 专利权人： SPM S.p.A.
- 当前专利权人： SPM S.p.A.
- 当前专利权人地址： ITX Brissago Valtravaglia
- 优先权： ITX20856/82[U] 19820216
- 主分类号： A63C
- IPC分类号： A63C20060101 ; A63C19/06 ; E01F9/627 ; E01F9/01
摘要：
A pivotable delineator pole is disclosed, particularly for skiing range courses, comprising a disc arranged between the tip and the pole, the ends of the tip and the pole being inserted on projections jutting from the opposite faces of said disc, springs acting between said pole and said tip being connected to both the pole and the disc, a clevis being connected at either end to the projections of said disc.
公开/授权文献
- US5554663A .alpha.-aminoacetophenones as photoinitiators 公开/授权日：1996-09-10
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