Method and apparatus for aligning and leveling a server rack rail

作者: Daniel Paul Kelaher , Yu Yu , Lei Li , Wen Chen , ZhenDe Fu

DOI:

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摘要: An apparatus for aligning a rail in computer server rack has laser transmitter generating dot. The prism converting the dot into line. lens projecting an elongated bar positioning on post, such that line is projected perpendicular to post.

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