会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 94. 发明专利
    • PROTECTION NET SPREADING DEVICE FOR FIELD AND TRACK EVENT
    • JPH0889615A
    • 1996-04-09
    • JP1541895
    • 1995-02-01
    • KAWASAKI CORP KK
    • KAWASAKI SHIYOUZOU
    • A63B71/02
    • PURPOSE: To provide a protection net spreading device for field and track events which can increase the height of its protection net and also is excellent in transportability and housability. CONSTITUTION: Plural casters 21 are fitted to the lower surface of a truck frame 20, and at the same time arms 23 are turnably fitted to the side surface four corners of the frame 20, and ascendable/descendable supports 25 are assembled at the tips of the arms 23. A pole 40 made up of pipes 41-43 that can be drawn out or inserted freely is fitted to the upper surface of the front end portion of the truck frame 20, and the drawing out/insertion of the pipes 41-43 is conducted by means of the winding up/unwinding of wires 55a, 55b by means of a winch 51. A support rod 62 is fixed at the tip of the pipe 43, and from this rod 62, a net frame 67 for hanging a net is hung down by using wires 66a, 66b. The wires 66a, 66b are fixed at the pipe 41 through pulleys 63-64 fitted to the support rod 62, and the net is ascended/descended in linkage with the extension/contraction of the pole 40.