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    • 1. 发明授权
    • Apparatus for removal of vault lids and other heavy covers
    • 用于清除穹顶盖和其他重盖的装置
    • US06202985B1
    • 2001-03-20
    • US09353331
    • 1999-07-14
    • Ian M. ChongRandolph F. MillerJeffrey B. Johnson
    • Ian M. ChongRandolph F. MillerJeffrey B. Johnson
    • B66F300
    • B66F15/00B66F19/005
    • A tool for lifting and removing heavy lids, such as manhole covers and similar articles. The tool includes an elongate lever with a handgrip at the upper end and a pivot head at the lower end. Wheels on the pivot head provide a pivot axis, with a hook being mounted in front of the pivot axis and a footplate being mounted behind the axis. The hook is inserted in an opening in the lid, and the lid is then lifted and removed by pulling back on the lever and stepping down on the footplate. After removal, the lid can be transported by rolling the assembly over the ground using the wheels. The invention thus facilitates removal and installation of heavy lids with minimal strain and potential injury to the operator.
    • 用于提升和移除重盖的工具,例如人孔盖和类似物品。 该工具包括在上端具有手柄的细长杆和在下端的枢轴头。 枢轴头上的轮子提供枢转轴线,其中钩子被安装在枢转轴线的前面,而踏板安装在轴线的后面。 将钩子插入到盖子的开口中,然后通过拉回杠杆并且在踏板上下降来抬起和移除盖子。 拆卸后,可以通过使用车轮将组件滚动到地面上来运输盖子。 因此,本发明有助于移除和安装重型盖,操作者具有最小的应变和潜在的伤害。
    • 8. 发明授权
    • Tensioning device for boat cover
    • 船盖张紧装置
    • US5743208A
    • 1998-04-28
    • US719178
    • 1996-09-24
    • Randolph F. Miller
    • Randolph F. Miller
    • B63B17/02B63B17/00
    • B63B17/02
    • A tubular sleeve has two spaced rows of holes with the holes of one row axially offset lengthwise of the row of holes and a horizontal slot at right angles to the rows of holes, the sleeve fitted telescopically over two axially aligned and spaced tubes that hold up a cover, each tube having detents that fit respectively into one of the holes of the rows of holes and into the slot so that the lengthwise spacing between the tubes can be adjusted by repositioning a detent into a different hole in a different row of the holes to adjust the tension against a cover to be held upright by the tubes.
    • 管状套筒具有两排间隔开的孔,一列的孔轴线偏离该列孔的长度方向,并且与该排排成直角的水平槽,该套筒可伸缩地安装在两个轴向排列和间隔开的管上, 一个盖子,每个管子具有分别适合于这些排列的孔中的一个孔并进入槽中的棘爪,使得可以通过将棘爪重新定位在不同排孔中的不同孔中来调节管子之间的纵向间隔 以调节相对于由管直立的盖子的张力。
    • 10. 发明授权
    • Exercise rowing machine
    • 锻炼划船机
    • US4695050A
    • 1987-09-22
    • US776400
    • 1985-09-16
    • David B. SmithRandolph F. Miller
    • David B. SmithRandolph F. Miller
    • A63B69/06
    • A63B22/0076A63B2022/0082A63B22/0023A63B22/16
    • An exercise rowing machine includes a frame (10) constructed with a longitudinal beam structure (12) overlying a forward substructure (14) A seat (24) is mounted on an underlying carriage assembly (26) having rollers (138) and (140) which ride on upper and lower rails (114) and (120) of a first track (110), and rollers (150) which ride on upper and lower rails (122) and (128) of a second track (112). Both tracks (110) and (112) are integrally formed with frame beam structure (12) in the interior thereof. A support stand (180) for supporting the rearward end of frame (10) above the floor at a desired elevation is constructed with a plurality of upwardly open troughs (184A, 184B and 184C) which receive a lip portion (188) extending downwardly from rear crossmember (82) of the machine frame (10).
    • 运动划艇机包括框架(10),该框架(10)由纵向梁结构(12)构成,该纵向梁结构(12)覆盖在正下方结构(14)上。座椅(24)安装在具有辊子(138)和(140)的下面的托架组件(26) 其骑在第一轨道(110)的上和下轨道(114)和(120)上,以及滚轮(150),其骑在第二轨道(112)的上轨道(122)和下轨道(128)上。 两个轨道(110)和(112)在其内部与框架梁结构(12)一体地形成。 用于以期望的高度在地板上方支撑框架(10)的后端的支撑架(180)构造有多个向上开口的槽(184A,184B和184C),该槽容纳从下向下延伸的唇部(188) 机架(10)的后横梁(82)。