Patent ID: 7766298

Claim:
An apparatus for positioning an image measuring platform, the apparatus comprising: a horizontal base; a measuring platform movable on the horizontal base; a support arm extending in the Z-axis direction secured to the horizontal base; two parallel sliders extending in the Z-axis direction fixed on the upper ends of the support arm; a first bar for controlling the measuring platform to move in X-axis direction; a second bar for controlling the measuring platform to move in Y-axis direction; a first cantilever and a second cantilever vertically attached on the two parallel sliders; a charge coupled device lens fixed on the first cantilever and the second cantilever through a lens clamp and a locking cap; a first screw handle engaged with the holes of both sides of a first bracket secured on the horizontal base, a first male screw thread formed outside the first screw handle, and a first female screw thread corresponding to the first male screw thread formed outside the first bar; and a second screw handle engaged with the holes of both sides of a second bracket secured on the horizontal base, a second male screw thread formed outside the second screw handle, and a second female screw thread corresponding to the second male screw thread formed outside the second bar.