Torque indicating propeller shaft

Details Torque indicating propeller shaft Torque indicating propeller shaft

1987-10-22

1989-04-25

McCall, James T.

Joints and connections

With indicator or inspection means

116212, B25G 300

Patent

active

048242756

ABSTRACT:
An adjustable length propeller shaft (1) has a visual torsional load indiing device including a marker (7) on a sealing collar (6) of one shaft part (9) and a calibrated scale (8) on the sleeve (5) of the other shaft part (10); an end journal (4) of the shaft part (9) being in telescopic torque transmitting relation with the sleeve (5) and surrounded by the sealing collar (6). Any permanent torsional deformation between the journal (4) and sleeve (5) results in a permanent relative rotational movement therebetween observable as a movement of the marker relative to the scale.

REFERENCES:
patent: 4408925 (1983-10-01), Louie

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