专利汇可以提供Device for hoisting net used in culturing pearl专利检索,专利查询,专利分析的服务。并且PURPOSE:To obtain a device, having a double helical gear type rope feeder on the side of a working ship and an endless chain with short protrusions on the outside of the ship and capable of mechanically pulling up nets for culturing pearls. CONSTITUTION:A pulling up device for pulling up a net for culturing pearls hung from the tip of a hanging wire (2b) branched from a main rope 2 provided with buoys at a regular interval from the sea is mounted on the side of a working ship. This device is constituted of a double helical gear type rope feeder 4 for carrying the and feeding the main rope 2 from the bow to the stern sides while biting thereinto, an endless chain 7 with short protrusions for hooking the suspension wires (2b) and pulling the wire from the bow to the stern sides, a suspension wire dodging plate 10 in almost the same contour as that of the endless chain 7, a grooved disk 8 for nipping the suspension wires (2b) with a groove (8a) of almost V-shaped cross section and feeding the suspension wire to the stern side, a net dodging plate 9 covering the outside thereof and a hooklike buckle (9b).,下面是Device for hoisting net used in culturing pearl专利的具体信息内容。
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