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United States of America Patent
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May 4, 2021
Grant Date -
May 21, 2020
app pub date -
Jan 24, 2020
filing date -
Sep 20, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Various apparatus embodiments include first, second, third and fourth shafts, and further include a first movable shaft having a first movable axis that is movable between a first axis position and a second axis position, and a second movable shaft having a second movable axis that is movable between a third axis position and fourth axis position. At least one linkage connects the first movable shaft to the second movable shaft. A motor linkage connects the at least one linkage to at least one motor for providing simultaneous movement of the first and second movable shafts.
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