| 摘要 |
Apparatus for installing a rivet nut or the like having an intentionally threaded shaft wherein said apparatus includes a hydraulically geared power tool having an inner hydraulic fluid containing a chamber and a screw adapted to engage the threaded shaft of the nut wherein said power tool rotates said screw when actuated. A fluid outlet is coupled to the chamber and is coupled to a gauge controlled power supply, the power supply being fluidly coupled to the power tool whereby the power supply includes torque predetermining means for determining when a predetermined torque is placed on the screw, this stopping rotation thereof and resuming rotation in an opposite direction to withdraw the screw from the nut.
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