Fixture for threading-on and simultaneously turning the nuts of

Details Fixture for threading-on and simultaneously turning the nuts of Fixture for threading-on and simultaneously turning the nuts of

1977-08-12

1978-08-08

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

B25B 2902

Patent

active

041049349

ABSTRACT:
An improved fixture for simultaneously threading-on and turning the nut means of several screw bolts. The fixture comprises a support ring having recesses for receiving each screw bolt and its associated nut means and a separate rotating means for rotating each nut means. In accordance with the invention, each rotating means is associated with a particular recess and includes a stator part disposed in the surfaces of the recess which face the nut means received by that recess. Each stator part includes an a-c winding and thus, forms the stator portion of an asynchronous-type electric motor whose rotor portion is formed by the nut means facing that stator part.

REFERENCES:
patent: 3844533 (1974-10-01), Markiewicz et al.
patent: 3877326 (1975-04-01), Kock et al.

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