CONNECTION PIECE, LINEAR EXTENSION AND RETRACTION MECHANISM, AND ROBOT ARM MECHANISM
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United States of America Patent
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app pub date -
Jul 24, 2017
filing date -
Jan 24, 2015
priority date (Note) -
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Abstract
A linear extension and retraction mechanism includes a first connection piece string including a plurality of first connection pieces; a second connection piece string including a plurality of second connection pieces; a linear gear consisted of a plurality of teeth and provided on a back face of each of the first connection piece;
First Claim
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