发明授权
- 专利标题： Nonskid assembly for preventing the sliding of an item
- 专利标题（中）： 用于防止物品滑动的非装配组件
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申请号： US344153申请日： 1982-01-29
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公开(公告)号： US4440186A公开(公告)日： 1984-04-03
- 发明人: Josef Lottner
- 申请人： Josef Lottner
- 专利权人： Josef Lottner
- 当前专利权人： Josef Lottner
- 优先权： DEX3102868 19810129; DEX3117614 19810505
- 主分类号： A45B9/04
- IPC分类号： A45B9/04 ; A61H3/02
摘要：
The invention relates to a nonskid assembly comprising a tread carrier secured to a basic body which is connected to the lower end of the stick of a walking aid. A ball joint has a hollow ball cup situated in the axial central opening of a ring and is composed of supplementary sectional ball cup profiles at one end of the central opening and a plug is inserted at the front surface in the other end of the central opening and fixed in it. The ball has a shaft projecting out of the curved end of the central opening of the ring. The shaft is secured in a bore of a connecting piece.
公开/授权文献
- USD320815S Solar powered address sign 公开/授权日：1991-10-15