Measuring cable-path sensor

US 6,499,225 B1
Measuring cable-path sensor
Klaus-Manfred Steinich, Poering (Germany)
Assigned to ASM Automation Sensorik Messtechnik GmbH, Moosinning (Germany)
Filed on 15-Nov-2000, as Appl. No. ASM Automation Sensorik Messtechnik GmbH, Moosinning (Germany)
Int. Cl.7G01B 3/10

US 6,499,225 B1 Measuring cable-path sensor Klaus-Manfred Steinich, Poering (Germany) Assigned to ASM Automation Sensorik Messtechnik GmbH, Moosinning (Germany) Filed on Nov. 15, 2000, as Appl. No. 9/711,893. Claims priority of application No. 99122778 (EP), filed on Nov. 16, 1999. Int. Cl.7G01B 3/10 U.S. Cl. 338212;756 18 Claims 1. A measuring cable travel sensor comprising: a housing forming at least one internal space; a cable drum disposed in the at least one internal space and operatively arranged to be rotatably supported by the housing to allow winding and unwinding of a measuring cable onto the cable drum; a flat spiral spring non-rotatably disposed in the at least one internal space and arranged coaxially with the cable drum; and a rotary angle sensor operatively connected to the cable drum for sensing rotary movement thereof; wherein the housing comprises four outside surfaces which are adjoined and are disposed perpendicularly to one another, each of the outside surfaces including an open groove for fixing the housing of the sensor by way of claws arranged in the open grooves.