Electrolarynx thumbwheel arrangement
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United States of America Patent
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Aug 25, 2015
Issued Date -
N/A
app pub date -
Jun 15, 2013
filing date -
Jan 7, 2013
priority date (Note) -
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Abstract
An electrolarynx includes a case and a thumbwheel component within its hollow interior that includes a wheel with a peripheral edge. A wheel-receiving slot extends from the exterior surface of the case to the hollow interior, and the wheel is disposed partially within that slot so that the peripheral edge of the wheel is accessible with a finger of a user from the exterior of the case for purposes of engaging and turning the wheel. The case includes a radially outward protruding wheel-protecting structure next to the wheel-receiving slot that shields (i.e., protects) the wheel from an impact directed parallel to the rotational axis of the wheel, without the radially outward protruding wheel-protecting structure preventing the user from engaging and turning the wheel with a finger of the user.
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