VARIABLE AMPLITUDE VIBRATORY APPLIANCE
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United States of America Patent
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Issued Date -
Mar 29, 2012
app pub date -
Sep 28, 2011
filing date -
Sep 28, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A vibratory appliance includes a tool driven to oscillate by a rotary electric motor. A shaft supported, at an intermediate portion by a pivot, is driven by an orbital drive mechanism. The orbital drive mechanism includes a rotor rotated about a rotor axis by the motor, an elongate part, and a coupler. The elongate part and the coupler are each fixed to a respective one of the inner end and the rotor. The elongate part and the coupler are mutually connected for sliding movement relative to one another, between first and second relative positions in which the inner end orbits about the rotor axis at first and second orbital radii, respectively, to vary the amplitude of oscillation of the tool.
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