DUAL ROTARY ACTUATOR
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United States of America Patent
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Issued Date -
Aug 20, 2015
app pub date -
Feb 17, 2015
filing date -
Feb 17, 2014
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Abstract
A dual rotary actuator includes a housing having an interior cavity that defines a first tubular chamber having a first axis and a second tubular chamber having a second axis. The second axis is perpendicular to the first axis. A first rotating inner core is provided that is concentrically disposed within the first tubular chamber and has a first rotational axis that coaxial with the first axis. A second rotating inner core is provided that is concentrically disposed within the second tubular chamber and has a second rotational axis that coaxial with the second axis. The housing is mounted to a remote end of the excavator boom with the first rotational axis of the first rotating inner core in an orientation which is transverse to a longitudinal axis of the excavator boom. The second rotating inner core provides a mounting for a working tool.
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