Tightening system with quality control apparatus

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

1974-09-19

1976-08-10

Ruehl, Charles A.

Measuring and testing

Brake testing

Single wheel rotating and resistance measuring means

81 525, 173 12, B25B 2314

Patent

active

039734340

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 if tightening characteristics of the fastener at the predetermined condition lie within a range which would be expected for those tightening characteristics for fasteners tightened to the predetermined condition.

REFERENCES:
patent: 3368396 (1968-02-01), VanBurkleo et al.
patent: 3596718 (1971-08-01), Fish
patent: 3643501 (1972-02-01), Pauley
patent: 3693726 (1972-09-01), Hornig et al.
patent: 3745820 (1973-07-01), Weiner
patent: 3821991 (1974-07-01), Alexander
patent: 3825912 (1974-07-01), Wiese

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