Measuring cable travel sensor for sensing travel of a moveable b

Details Measuring cable travel sensor for sensing travel of a moveable b Measuring cable travel sensor for sensing travel of a moveable b

1998-06-19

2000-12-05

Gutierrez, Diego

Geometrical instruments

Distance measuring

By flexible tape

33755, 33762, 33763, G01B 310

Patent

active

061549754

ABSTRACT:
A measuring cable travel sensor for detecting the position of a movable body and operable under differential pressure comprises a cable drum for winding on and off a measuring cable, a spring for prestressing the cable drum to wind on the measuring cable and a rotary position sensor for detecting the position of the cable drum. The sensor has a differential pressure chamber which is under the differential pressure and in which a cable eye for connection of the cable to the movable body is arranged, a cable chamber in which the cable drum is arranged and a spring chamber in which the spring is arranged. The differential pressure chamber communicates at least with the cable chamber and the spring chamber.

REFERENCES:
patent: 3780440 (1973-12-01), Taylor
patent: 5761822 (1998-06-01), Steinich

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