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    • 7. 发明授权
    • Method to prepare for and conduct an exercise using free weights
    • 使用自由重量准备和进行锻炼的方法
    • US07837601B2
    • 2010-11-23
    • US12319922
    • 2009-01-14
    • David A. PerryPaul M. Picciano
    • David A. PerryPaul M. Picciano
    • A63B21/06A63B21/072
    • A63B21/072A63B71/0036
    • A method to prepare for and conduct an exercise using free weights while minimizing the risk of injury to an individual during the acquisition, use, and return of the free weights includes the step of providing a plurality of cylindrically-shaped free weight plates and a staging station. Each of the free weight plates is mounted on edge in an upright orientation in one of a plurality of detent units of the staging station at a height above the ground. A first one of the free weight plates is manually grasped and rolled from the detent unit onto a horizontally oriented support surface of the staging station, manually removed from the support surface, utilized to perform an exercise, manually returned to the support surface, and manually rolled on the peripheral edge of the first one of the free weight plates from the support surface into one of the detent units.
    • 在自由重量的获取,使用和返回过程中,使用自由重量同时尽可能减少对个人的伤害风险的准备和进行锻炼的方法包括提供多个圆柱形自由重量板和分段 站。 每个自由重量板在高度高于地面的高度处在分段站的多个制动单元之一中以直立方向安装在边缘上。 自由重量板中的第一个被手动抓住并从制动单元滚动到分阶段的水平定向的支撑表面上,手动地从支撑表面移除,用于执行锻炼,手动返回到支撑表面,并且手动地 将第一个自由配重板的周边边缘从支撑表面滚动到一个止动单元中。
    • 8. 发明授权
    • Conveyor crossover
    • 输送机交叉
    • US06502267B2
    • 2003-01-07
    • US09858966
    • 2001-05-16
    • Ellie H. MacDonaldDavid A. Perry
    • Ellie H. MacDonaldDavid A. Perry
    • E01D100
    • B66B9/00
    • A conveyor crossover has a pivotable ramp which is moved from a horizontal bridging position across a conveyor to an upright position is which it is out of the way of material being moved by the conveyor. The ramp is raised and lowered by a control system which includes a pair of fluid actuators controlling pivotal movement of the ramp together with controls at both sides of the conveyor for adjusting a control valve controlling flow of fluid to and from the actuators. A latch mechanism is provided to hold the ramp in its raised position.
    • 输送机交叉具有可枢转的斜坡,其从水平桥接位置跨越输送机移动到直立位置,这是由于材料被输送机移动的障碍。 该斜坡由一个控制系统升高和降低,该控制系统包括一对流体致动器,其控制斜坡的枢转运动以及输送机两侧的控制器,用于调节控制流体进入和离开致动器的流体的控制阀。 提供闩锁机构以将斜坡保持在其升高位置。