Device for screwing and unscrewing bolts and screws by means of a motor-driven screwdriving tool
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United States of America Patent
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Oct 10, 2017
Grant Date -
Aug 13, 2015
app pub date -
Aug 26, 2013
filing date -
Aug 31, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A device for screwing and unscrewing bolts and screws uses a motor-driven screwdriving tool, which is preferably used in the track region of railroad facilities. The device makes it possible to screw and unscrew screws, nuts and bolts reliably and effectively, preferably in the context of railroad use. The appliance is intended to have a low weight and a high output over long periods of use, can be operated with one hand, is specifically pre-oriented to the various applications and has a modular construction. To this end, the device has a central rib which serves as a receptacle for all of the attachments and fittings to be installed in a modular manner.
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