US Patent 7152331 Positioning apparatus

Patent 7152331 was granted and assigned to NSK Ltd. on December, 2006 by the United States Patent and Trademark Office.

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Patent Inventor Names

Masato Taniguchi0

Nobuhito Saji0

Tsuyoshi Nakamura0

Yoshifumi Sugita0

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edited on 31 Aug, 2023

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Patent abstract

A positioning apparatus has a stage, guide elements provided on both ends of the stage, and drive elements which are provided at one of both ends of the stage and move the stage along the guide elements. Like linear guide rails 61A, 61B and linear guide bearings 23A, 23B, two guide elements are provided in an area where a ball screw shaft 52 serving as a drive element is placed. One guide element is provided in an area where a non-drive element is provided.

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=07152331

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