AIR BLOWING DEVICE
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United States of America Patent
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app pub date -
Jun 15, 2015
filing date -
Oct 31, 2014
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Abstract
An air blowing device includes: a tubular body defining an airflow passage and an air outlet; a guide wall configured to guide an airflow having passed through the air outlet in an intended direction; and a movable projecting portion, which is capable of projecting from an inside of the guide wall to an outside of the guide wall. The guide wall has a convex surface shape projecting in a direction intersecting a forward direction of the air outlet, and is arranged so that a projection image, which is obtained by projecting the guide wall onto a virtual plane including the air outlet, covers the entire air outlet. The movable projecting portion is capable of adjusting a projecting amount from the guide wall within a range of from zero to a predetermined maximum amount, and configured to adjust the projecting amount depending on the intended direction.
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