Cable length measuring device

Details Cable length measuring device Cable length measuring device

2008-10-10

2010-11-30

Caputo, Lisa M (Department: 2855)

Measuring and testing

Dynamometers

Responsive to force

C033S756000

Reexamination Certificate

active

07841246

ABSTRACT:
A device for measuring the length of a cable under tension moved through the device generally comprises a frame, a measuring pulley rotatably mounted on the frame; an anti-slip device for rollingly holding the midsection of the cable in a non-slipping manner against the measuring pulley such that movement of the cable rotates the measuring pulley, and a rotation sensor for sensing the rotation of the measuring pulley and producing a signal indicative of the rotation thereof. The anti-slip device generally comprises one or more loading rollers and a loading assembly including a flexible tension member for applying loading to the loading rollers such that movement of the cable rotates the measuring pulley. A location measuring device incorporating the cable length measuring device determines the direction and distance from the location measuring device to a free end of the cable.

REFERENCES:
patent: 5302161 (1994-04-01), Loubert et al.
patent: 5324909 (1994-06-01), Derighetti
patent: 5365797 (1994-11-01), McCrory, III
patent: 6491773 (2002-12-01), Miller et al.
patent: 6901818 (2005-06-01), Cheung

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