Invention Grant
US08222893B2 Stringline and cross-level gauge 有权
弦线和横跨量规

Stringline and cross-level gauge
Abstract:
A tool and method for inspecting a track having a first rail and a second rail. The tool has a first mounting device which is attached to a first rail of the track. A cord attached to the mounting device is tensioned and positioning the cord in a proper position, allowing an inspector to measure a first distance between a defined point on the cord and the first rail or the second rail to determine if anomalies are present in the track.
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