Asymmetrical toothed wheel
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United States of America Patent
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Sep 27, 2016
Grant Date -
Dec 25, 2014
app pub date -
Dec 28, 2012
filing date -
Dec 28, 2011
priority date (Note) -
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Abstract
A device comprises supports (3, 4) which can be moved relative to each other, and on mutually facing walls of which toothed profiles (6, 7) are provided. Each toothed profile interacts with opposing segments (31, 32) of a rotatable gear (2), by the rotation of which the supports (3, 4) can be moved in opposite directions simultaneously in a synchronized manner. The gear (2) has a varying tip circle diameter (d) along the gear circumference, wherein the tip circle diameter (d) increases along a segment (31, 32), and an effective outer diameter (dw) of the gear (2) is arranged between the supports (3, 4) in a clamped rotational position, so that the effective outer diameter (dw) matches a target diameter.
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