Electric actuation assembly for crane pinned boom
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United States of America Patent
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-
Feb 21, 2023
Grant Date -
Dec 24, 2020
app pub date -
Jun 24, 2020
filing date -
Jun 24, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A pin actuator assembly for a telescoping boom includes a locking head having a base, an operating plate operably coupled to the base, one or more cylinder pins and/or one or more section lock arms movable in response to movement of the operating plate relative to the base. The pin actuator assembly also includes an actuator operably coupled to the operating plate and configured to move the operating plate relative to the base. The actuator includes an electric motor and a drive arm. The electric motor is configured to drive the drive arm between an extended drive arm position and a retracted drive arm position. The pin actuator assembly further includes a motion mitigator having a housing, a rod movable relative to the housing and operably coupled to the actuator, a first biasing member coupled between the rod and the housing and a second biasing member coupled between the rod and the housing.
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