| 摘要 |
This invention is a portable pushing and pulling apparatus for in-conduit cable installations, the aforementioned device is of the type which comprises a casing that, viewed from above, is in the shape of a rectangle and is formed of a base joined to a cylindrical handle, a cover, a hinged joint connecting the base and the cover on a short side, a set of screws for ensuring the cover's closure on the base, a drive capstan driven by a rotary drive shaft mounted in the handle, an idler disk with an axle parallel to the capstan, and both the capstan and the disk are mounted in such a way as to receive a cable to be driven and gripped between them. The invention itself contains in the handle, between the drive shaft and the power take-off, a torque regulating device at its end, for the torque limiting clutch which indicates the maximum pushing or pulling force selected by the operator.
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