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    Shiftable clamping-type locking mechanism
    1.
    发明授权
    Shiftable clamping-type locking mechanism 失效
    可移动夹紧型锁定机构

    公开(公告)号：US06212965B1

    公开(公告)日：2001-04-10

    申请号：US09234567

    申请日：1999-01-20

    申请人： Harald Hochmuth

    发明人： Harald Hochmuth

    IPC分类号： F16N4110

    CPC分类号： F16D41/088 ,  B60N2/2257 ,  Y10T74/1558 ,  Y10T74/1577

    摘要： A shiftable clamping-type locking mechanism, includes two track-defining elements and a plurality of clamping members, e.g. rollers or balls, arranged between the tracks of the elements and so spring-biased as to seek a clamped position. The clamping members are shiftable by a control unit from the clamped position into a release position in which the clamping members are liberated from the tracks so that the two elements can be freely moved relative to one another. A coupling unit positively connects the two elements to one another in order to prevent an undesired slip between the elements.

    摘要翻译： 可移动的夹紧型锁定机构包括两个轨迹限定元件和多个夹紧构件，例如， 辊或球，布置在元件的轨道之间并且因此被弹簧偏压以寻求夹紧位置。 夹紧构件可由控制单元从夹紧位置移动到释放位置，在释放位置中，夹紧构件从轨道释放，使得两个元件可以相对于彼此自由移动。 耦合单元将两个元件彼此正确地连接，以防止元件之间的不期望的滑动。

    Hydraulic wrench
    2.
    发明授权
    Hydraulic wrench 失效
    液压扳手

    公开(公告)号：US3930776A

    公开(公告)日：1976-01-06

    申请号：US498246

    申请日：1974-08-16

    申请人： Philip J. Keller

    发明人： Philip J. Keller

    IPC分类号： B25B21/00 ,  B25B13/46

    CPC分类号： B25B21/005 ,  Y10T74/1529 ,  Y10T74/1577

    摘要： A hydraulic wrench has a support, and a drive assembly which is mounted thereon and which includes a shaft that is turnable, a pair of sector drive plates which are mounted on the shaft turnable relative to the same and spaced from one another, each drive plate having an arcuate edge face formed with a plurality of slots that are spaced about the axis of the shaft and extend substantially parallel to this axis, and a square drive member which is turnable with the shaft and can be inserted into a mating drive socket. A transmission arrangement transmits motion from the sector drive plates to the shaft in order to turn the latter when the sector drive plates are turned. A hydraulic cylinder unit is also mounted on the support for pivotal movement about an axis parallelling that of the shaft and spaced therefrom, and the cylinder unit has a reciprocable piston rod having a working stroke and being provided with a projection that can engage in the respective slots of the sector drive plates, in order to turn the latter during the working stroke of the piston rod.