Safety enhancement device for well-logging cable sheave wheels

Details Safety enhancement device for well-logging cable sheave wheels Safety enhancement device for well-logging cable sheave wheels

1982-09-02

1984-11-06

Jillions, John M.

Implements or apparatus for applying pushing or pulling force

Device or member for contacting and guiding moving cable

Including rotatable, cable contacting, pulley wheel element

B66D 304

Patent

active

044808186

ABSTRACT:
A safety enhancement device for a well-logging cable sheave wheel rotatably mounted in a frame member has a guard plate which assists in the prevention of foreign objects passing into the pinch-point between the well-logging cable and the sheave wheel.

REFERENCES:
patent: 1379868 (1921-05-01), Kelsey
patent: 1856993 (1932-05-01), Irwin
patent: 1975940 (1934-10-01), Harding
patent: 2637525 (1953-05-01), Lock
patent: 2728552 (1955-12-01), Fate
patent: 2800300 (1957-07-01), Johnson et al.
patent: 3171633 (1965-03-01), Le Bus et al.
patent: 3962943 (1976-06-01), Allen

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