ACTUATOR MECHANISM FOR A BRUSHROLL CLEANER
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United States of America Patent
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app pub date -
Feb 27, 2017
filing date -
Mar 17, 2008
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Abstract
A vacuum cleaner head having a housing, a suction opening, an agitator chamber located in communication with the suction opening, an agitator, a blade extending parallel to the agitator and mounted to rotate between a first blade position in which the blade does not engage the agitator, and a second blade position in which the blade engages the agitator to remove debris from the bristles during rotation of the agitator, a blade arm rigidly connected to rotate with the blade and extending from the blade pivot axis, and a cam surface movable between a first cam position in which the cam surface allows the blade to be in the first blade position, and a second cam position to displace the blade arm to rotate the blade to the second blade position.
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