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1. (WO2018127350) MEASUREMENT CARRIAGES AND SYSTEMS INCLUDING MEASUREMENT CARRIAGES

Pub. No.:    WO/2018/127350    International Application No.:    PCT/EP2017/081712
Publication Date: Fri Jul 13 01:59:59 CEST 2018 International Filing Date: Thu Dec 07 00:59:59 CET 2017
IPC: G01B 7/06
G01B 11/14
Applicants: JAGUAR LAND ROVER LIMITED
Inventors: DILSWORTH, John
HALAI, Sajni
WRIGHT, Roger
Title: MEASUREMENT CARRIAGES AND SYSTEMS INCLUDING MEASUREMENT CARRIAGES
Abstract:
Disclosed is a measurement carriage configured to run on a track comprising a pair of c- beams. Each c-beam comprises first and second flanges having opposed interior surfaces and a connecting wall joining the flanges. The c-beams are oriented such that the flanges of the c-beams are positioned between the connecting walls. The measurement carriage comprises a main body and at least one running wheel configured to run on the interior surface of each flange of the track. At least one of those running wheels is a measurement wheel arranged to run on the interior surface of one of the first flanges. Each measurement wheel is mounted to the main body via a moveable mount permitting its movement with respect to the main body towards and away from the interior surface of the second flange opposing the flange surface on which the measurement wheel runs. The moveable mount biases the measurement wheel away from the interior surface of that second flange with respect to the main body such that its movement on the moveable mount follows variation in the distance between the respective opposed interior surfaces as the measurement carriage moves along the track. The measurement carriage comprises a measurement wheel sensor arranged to monitor movement of the measurement wheel on the moveable mount, and to output a signal comprising data indicative of the distance between the respective opposed interior surfaces.