Concentric shaft split timing screw system
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United States of America Patent
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Aug 28, 2018
Grant Date -
Jun 29, 2017
app pub date -
Dec 27, 2016
filing date -
Dec 29, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A split shaft screw system includes a screw configured to convey an article along a movement path. The screw includes a plurality of threads, each thread having a crest, a root and a pair of sidewalls, wherein the root and pair of sidewalls are configured to capture the article. Provided are a first screw segment connected to a first drive shaft configured to be driven by a first motor, and a second screw segment immediately adjacent to the first screw segment and connected to a second drive shaft concentric to the first drive shaft, the second drive shaft configured to be driven by a second motor independently of the driving of the first screw segment.
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