Stage mechanism

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11446778
APP PUB NO 20200238458A1
SERIAL NO

16495835

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A stage mechanism includes a feed screw, a fixed stage having a space portion incorporating the feed screw, a movable stage, and a backlash absorbing portion. The feed screw has a first end portion and a second end portion. The stage mechanism further includes a deviation preventing portion preventing the feed screw from deviating in a direction toward the first end portion and a pressing force adjusting portion adjusting the pressing force by which the feed screw is pressed in a direction from the second end portion side to the first end portion. The deviation preventing portion is in contact with a wall of the space portion on the first end portion side. The pressing force adjusting portion is in line contact with and presses the second end portion.

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First Claim

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Patent Owner(s)

  • BIBLIOS CO., LTD.

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nakatomi, Yoshiharu Chiyoda-ku Tokyo, JP 3 7
Onodera, Takeshi Chiyoda-ku Tokyo, JP 28 463
Suzuki, Shinji Chiyoda-ku Tokyo, JP 254 2509

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