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Measurement apparatus including a track for a measurement scale and apparatus for tensioning the scale

  • US 6,701,634 B2
  • Filed: 08/02/2002
  • Issued: 03/09/2004
  • Est. Priority Date: 11/30/1999
  • Status: Expired due to Fees
First Claim
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1. A measurement scale tensioning device suitable for tensioning a scale readable by a readhead while the scale is mounted to a substrate, the device comprising:

  • a loading part, a preloadable member and a securement, the loading part being operable to preload the preloadable member and to release the preload, so as to urge the scale into tension while the scale is mounted to the substrate, the securement being operable to maintain the scale in tension while the scale is mounted to the substrate, and the preloadable member being removable from a substrate while the scale remains tensioned on the substrate.

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