Pre-failure tension warning device

Details Pre-failure tension warning device Pre-failure tension warning device

1989-12-22

1991-02-12

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

73762, 7386245, 116212, 116DIG34, 340685, G08B 2100, G01L 504

Patent

active

049927787

ABSTRACT:
The invention provides a method and means for detecting and giving warning of a predetermined status of cordage through the change of a warning element from one condition to a different condition in response to a change in the status of the cordage.

REFERENCES:
patent: 3885428 (1975-05-01), Dalferth
patent: 3910224 (1975-10-01), Thompson et al.
patent: 3918301 (1975-11-01), Baer
patent: 4245139 (1981-01-01), Orscheln et al.
patent: 4317368 (1982-03-01), McElroy
patent: 4509376 (1985-04-01), Thomasson
patent: 4571582 (1986-02-01), Walter
patent: 4814749 (1989-03-01), Abramson

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