Adjustable angle gear
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United States of America Patent
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Jul 6, 2021
Grant Date -
Apr 23, 2020
app pub date -
Dec 23, 2019
filing date -
Sep 16, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A gear includes a circular base having a front surface that includes an inner region and an outer region that surrounds the inner region. The circular base is rotatable about a central axis. Plural gear teeth are arranged in a same row and extend outward from the outer region of the front surface and are evenly spaced from each other along plural locations on the outer region. Each gear tooth has a cross-sectional width that decreases with decreasing distance from the central axis, and has an outer shape configured to permit any one of the gear teeth in the row to contact and directly mesh with any gear tooth in a corresponding row of gear teeth of a substantially identical gear for any gear angle within a predefined range of gear angles between the central axis of the gear and the central axis of the substantially identical gear.
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