Tightening system with quality control apparatus

Details Tightening system with quality control apparatus Tightening system with quality control apparatus

1974-09-19

1977-01-04

Ruehl, Charles A.

Tool driving or impacting

Automatic control of power operated means

Tool advance causing or controlling means

73139, B25B 2314

Patent

active

040007820

ABSTRACT:
A tightening system for tightening a fastener is disclosed herein and includes a wrench for tightening the fastener, a control system for shutting off the wrench when the fastener has been tightened to a predetermined condition and a quality control system including apparatus for determining the condition of the fastener at the predetermined condition and for also checking the operation of the system during the tightening cycle. Accordingly, an easily discernible and meaningful signal can be provided indicating that the tool has functioned properly and that the joint has been tightened to the predetermined condition.

REFERENCES:
patent: 1985916 (1935-01-01), Coates et al.
patent: 2596718 (1971-08-01), Fish et al.
patent: 3368396 (1968-02-01), VanBurkleo et al.
patent: 3606664 (1971-09-01), Weiner
patent: 3643501 (1972-02-01), Pauley
patent: 3693726 (1972-09-01), Hornig et al.
patent: 3710874 (1973-01-01), Seccombe et al.
patent: 3745820 (1973-07-01), Weiner
patent: 3827506 (1974-08-01), Himmelstein et al.

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