Device for tightening a screw joint

Details Device for tightening a screw joint Device for tightening a screw joint

1978-03-15

1980-03-04

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192150, F16P 500, F16D 4320

Patent

active

041912829

ABSTRACT:
A device for tightening screw joints, comprising a pressure fluid motor, an overload friction type slip clutch, a pressure fluid shut off valve and a release mechanism for initiating closing of said shut off valve at slipping of said overload clutch. The release mechanism comprises a female member associated with one of the slip clutch halves and a male member associated with the other of the slip clutch halves, and when aligned with said female member receivable thereinto. The release mechanism also comprises a guide means for urging against a biasing means said male member into alignment with said female member upon relative rotation of the slip clutch halves.

REFERENCES:
patent: 2964151 (1960-12-01), Eckman
patent: 3195704 (1965-07-01), Linsker
patent: 3275116 (1966-09-01), Martin
patent: 3955662 (1976-05-01), Thackston

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