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    • 5. 发明授权
    • Cleat
    • 夹板
    • US4553495A
    • 1985-11-19
    • US531814
    • 1983-09-13
    • Michael Lerner
    • Michael Lerner
    • B63B21/08F16G11/10
    • B63B21/08F16G11/103Y10T24/39Y10T24/3918
    • A cleat is formed by a base plate and two dome-shaped, high friction surfaces, which secure a line or rope therebetween. In one preferred embodiment spiralling grooves form the high friction surfaces with the grooves following symmetrical opposing spirals on the two surfaces to permit easy insertion while also providing strong gripping action even against tension in the line. In another embodiment three dome-shaped elements are secured to a base plate with alternating spiralled-groove patterns to provide a convenient two line cleat which is useful, for example, in securing both lines from a jib when sailing.
    • 防滑板由基板和两个圆顶形的高摩擦表面形成,其将线或绳固定在其间。 在一个优选实施例中,螺旋槽形成高摩擦表面,凹槽在两个表面上具有对称的相对螺旋,以允许容易地插入,同时还提供甚至抵抗线中的张力的强力夹持动作。 在另一个实施例中,三个圆顶形元件被固定到具有交替的螺旋槽图案的基板上,以提供方便的两线防滑钉,其例如在航行时从起重臂固定两条线是有用的。
    • 10. 发明授权
    • Rotary sprinkler having selectable area coverage
    • 旋转洒水机具有可选区域覆盖
    • US4540125A
    • 1985-09-10
    • US485891
    • 1983-04-18
    • Moshe GorneyMichael LernerAmos Shavit
    • Moshe GorneyMichael LernerAmos Shavit
    • A01G25/00B05B3/04B05B3/08
    • B05B3/0472A01G25/00B05B3/0454Y10S239/01
    • A rotary sprinkler comprising a base, a stem mounted on the base for rotation relative thereto, the stem having an inlet for receiving a pressurized water supply, a water discharge nozzle mounted on the stem and being rotatable together therewith relative to the base, water driven drive apparatus for rotating the stem relative to the base, selectably positionable deflector apparatus for engaging a stream of water emitted by the nozzle for determining the maximum radius of the stream, and cam apparatus for operating the deflector apparatus and including manually settable cam apparatus for selecting an overall size and pattern of sprinkler stream coverage, and second cam apparatus for determining the desired sprinkling pattern as a function of the azimuthal orientation of the nozzle.
    • 一种旋转喷洒器,包括基座,安装在基座上以相对于其旋转的杆,所述杆具有用于接收加压水源的入口,安装在杆上并可相对于基座旋转的排水喷嘴,水驱动 用于使所述杆相对于所述基座旋转的驱动装置,用于接合由喷嘴发射的水流用于确定流的最大半径的可选择的定位偏转器装置,以及用于操作偏转器装置的凸轮装置,并且包括用于选择的手动可设置的凸轮装置 喷洒水流覆盖的总体尺寸和图案,以及用于根据喷嘴的方位取向来确定所需喷洒图案的第二凸轮装置。