Feeding apparatus of moved body
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 10, 2002
Grant Date -
N/A
app pub date -
Sep 19, 2000
filing date -
Sep 19, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A feeding apparatus of a moved body includes: a base; a rotatable long ball screw extending in a longitudinal direction of the base; a nut member engaged with the long ball screw; a moved body mounted to the nut member; a pair of drive shafts arranged in parallel to the long ball screw and being provided with a ball screw; driving and transmitting members connecting both outer end portions of each of the drive shafts to both ends of the long ball screw; drive motors connected to both inner end portions of each of the drive shafts; and an intermediate support supporting the long ball screw and each of the drive shafts. The intermediate support is provided with a nut member which is engaged with the ball screw. Therefore, the intermediate support is moved in a longitudinal direction by rotation of the long ball screw.
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