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    • 4. 发明授权
    • Apparatus for grounding railway contact rails
    • 铁路接触轨接地装置
    • US06572390B2
    • 2003-06-03
    • US09933033
    • 2001-08-20
    • Dmitry Ladin
    • Dmitry Ladin
    • H01R466
    • B60M1/04B60M5/02H01R4/36H01R4/64
    • Hand-held tools for gripping a railway contact rail to facilitate grounding thereof are provided. A first member includes a first jaw at an end thereof, a handle at an opposite end thereof, and a first intermediate portion extending between the first jaw and the handle. A second member is pivotally attached to the first member and includes a second jaw at an end thereof, a set of ratchet teeth at an opposite end thereof, and a second intermediate portion extending between the second jaw and the set of ratchet teeth. The first and second jaws are configured to pivot relative to each other so as to grip respective opposite side portions of a railway contact rail when the handle is moved downwardly such that the second intermediate portion is in electrical contact with a top portion of a railway contact rail. A pawl extends from the first intermediate portion and is configured to engage the set of ratchet teeth to hold the first and second jaws in contact with the respective opposite sides of a railway contact rail. A biasing member is operatively associated with the pawl and is configured to urge the pawl into engagement with the set of ratchet teeth. A release lever is operatively associated with the biasing member and/or the pawl and is configured to disengage the pawl from the set of ratchet teeth and allow movement of the handle so as to disengage the hand-held tool from a contact rail.
    • 提供了用于夹持铁路触点导轨以便于其接地的手持工具。 第一构件包括在其端部的第一钳口,在其相对端处的手柄,以及在第一钳口和手柄之间延伸的第一中间部分。 第二构件枢转地附接到第一构件并且在其一端包括第二钳口,在其相对端处具有一组棘轮齿,以及在第二钳口和该组棘轮齿之间延伸的第二中间部分。 第一和第二颚构造成相对于彼此枢转,以便当手柄向下移动时夹持铁路接触轨道的相对的相对侧部分,使得第二中间部分与铁路接触件的顶部部分电接触 轨。 棘爪从第一中间部分延伸并且构造成与所述一组棘轮齿接合,以将第一和第二钳口保持与铁路接触轨的相应相对侧接触。 偏置构件可操作地与棘爪相关联并且构造成推动棘爪与该组棘轮齿啮合。 释放杆与偏压构件和/或棘爪可操作地相关联,并且被构造成使棘爪与该组棘轮齿分离,并允许手柄的移动,从而使手持式工具与接触导轨分离。