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公开(公告)号：US11492239B2
公开(公告)日：2022-11-08
申请号：US16811180
申请日：2020-03-06
申请人： Oshkosh Corporation
发明人： Prabhu Shankar , Louis Bafile , Jihong Hao , Eko Prasetiawan , Scott Riley , David Lombardo
摘要： A fully electric lift device includes a base assembly, a lift assembly, a platform assembly, tractive elements, an energy storage device, and a control system. The lift assembly is coupled with the base assembly and is driven by an electric linear actuator for a lifting function. The platform assembly is positioned at a top of the lift assembly and can be raised or lowered as the lift assembly performs the lifting function. The tractive elements are rotatably coupled with the base assembly and can be driven by an electric wheel motor to perform a driving function. The control system includes a controller that operates the electric wheel motor and the electric linear actuator to perform the driving function and the lifting function using power drawn from the energy storage device. The lift assembly and the tractive elements use only electrical energy to perform the lifting and driving functions.
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公开(公告)号：US20220371864A1
公开(公告)日：2022-11-24
申请号：US17881322
申请日：2022-08-04
申请人： Oshkosh Corporation
发明人： Prabhu Shankar , Louis Bafile , Jihong Hao , Eko Prasetiawan , Scott Riley , David Lombardo
摘要： A fully electric lift device includes a base assembly, a lift assembly, a platform assembly, tractive elements, an energy storage device, and a control system. The lift assembly is coupled with the base assembly and is driven by an electric linear actuator for a lifting function. The platform assembly is positioned at a top of the lift assembly and can be raised or lowered as the lift assembly performs the lifting function. The tractive elements are rotatably coupled with the base assembly and can be driven by an electric wheel motor to perform a driving function. The control system includes a controller that operates the electric wheel motor and the electric linear actuator to perform the driving function and the lifting function using power drawn from the energy storage device. The lift assembly and the tractive elements use only electrical energy to perform the lifting and driving functions.
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公开(公告)号：US20220135385A1
公开(公告)日：2022-05-05
申请号：US17578600
申请日：2022-01-19
申请人： Oshkosh Corporation
发明人： David Lombardo , Eko Prasetiawan , Ignacy Puskiewicz , Wenton S. Miller , Shane Mastronardi , Matthew Gilbride
摘要： A lift device includes a base assembly, a turntable assembly, and a controller. The base assembly includes multiple base assembly batteries. The turntable assembly is rotatably coupled with the base assembly through a slip ring transmission. The turntable assembly includes multiple turntable assembly batteries. The controller is configured to operate the base assembly batteries to discharge electrical energy to the turntable batteries through the slip ring transmission. The slip ring transmission is configured to both (1) drive the turntable assembly to rotate relative to the base assembly and (2) to electrically and communicably couple electrical components of the base assembly with electrical components of the turntable assembly.
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公开(公告)号：US20210276850A1
公开(公告)日：2021-09-09
申请号：US17328885
申请日：2021-05-24
申请人： Oshkosh Corporation
发明人： David Lombardo , Eko Prasetiawan , Louis Bafile
摘要： A lift device comprises a base, a retractable lift mechanism, a work platform, a linear actuator, and a lift controller. The retractable lift mechanism has a first end coupled to the base and is moveable between an extended position and a retracted position. The work platform is coupled to and supported by a second end of the retractable lift mechanism. The linear actuator is configured to selectively move the retractable lift mechanism between the extended position and the retracted position. The linear actuator comprises a central screw rod, an electric motor configured to provide rotational actuation to the central screw rod, and a nut assembly configured to translate the rotational actuation of the central screw rod into linear motion. The lift controller is configured to receive a lift command from an operator, monitor at least one lift characteristic associated with the linear actuator, and selectively inhibit the lift command.
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公开(公告)号：US20210276423A1
公开(公告)日：2021-09-09
申请号：US17194153
申请日：2021-03-05
申请人： Oshkosh Corporation
发明人： David Lombardo , Eko Prasetiawan , Ignacy Puskiewicz , Wenton S. Miller , Shane Mastronardi , Matthew Gilbride
摘要： A lift device includes a base assembly, a turntable assembly, and a controller. The base assembly includes multiple base assembly batteries. The turntable assembly is rotatably coupled with the base assembly through a slip ring transmission. The turntable assembly includes multiple turntable assembly batteries. The controller is configured to operate the base assembly batteries to discharge electrical energy to the turntable batteries through the slip ring transmission. The slip ring transmission is configured to both (1) drive the turntable assembly to rotate relative to the base assembly and (2) to electrically and communicably couple electrical components of the base assembly with electrical components of the turntable assembly.
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公开(公告)号：US12054372B2
公开(公告)日：2024-08-06
申请号：US18200171
申请日：2023-05-22
申请人： Oshkosh Corporation
发明人： Eko Prasetiawan , Louis Bafile , Prabhu Shankar
CPC分类号： B66F17/006 , B66F11/042 , F16H2025/2081 , F16H25/2204 , F16H25/2472
摘要： A scissor lift includes a base, a platform configured to support a load, a lift assembly having a first end coupled to the base and a second end coupled to the platform, and a linear actuator coupled to the lift assembly and configured to extend to raise the platform relative to the base. The lift assembly includes a series of support members that are pivotally coupled to one another. The linear actuator includes a screw, a nut engaging the screw, and an electric motor configured to drive rotation of the screw relative to the nut to control extension of the linear actuator.
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公开(公告)号：US20230416061A1
公开(公告)日：2023-12-28
申请号：US18244996
申请日：2023-09-12
申请人： Oshkosh Corporation
发明人： Prabhu Shankar , Louis Bafile , Jihong Hao , Eko Prasetiawan , Scott Riley , David Lombardo
CPC分类号： B66F3/44 , B66F11/048 , B60S9/21
摘要： A fully electric lift device includes a base assembly, a lift assembly, a platform assembly, tractive elements, an energy storage device, and a control system. The lift assembly is coupled with the base assembly and is driven by an electric linear actuator for a lifting function. The platform assembly is positioned at a top of the lift assembly and can be raised or lowered as the lift assembly performs the lifting function. The tractive elements are rotatably coupled with the base assembly and can be driven by an electric wheel motor to perform a driving function. The control system includes a controller that operates the electric wheel motor and the electric linear actuator to perform the driving function and the lifting function using power drawn from the energy storage device. The lift assembly and the tractive elements use only electrical energy to perform the lifting and driving functions.
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公开(公告)号：US11820631B2
公开(公告)日：2023-11-21
申请号：US17328885
申请日：2021-05-24
申请人： Oshkosh Corporation
发明人： David Lombardo , Eko Prasetiawan , Louis Bafile
CPC分类号： B66F17/006 , B66F11/042 , F16H25/2204 , F16H25/2472 , F16H2025/2081
摘要： A lift device comprises a base, a retractable lift mechanism, a work platform, a linear actuator, and a lift controller. The retractable lift mechanism has a first end coupled to the base and is moveable between an extended position and a retracted position. The work platform is coupled to and supported by a second end of the retractable lift mechanism. The linear actuator is configured to selectively move the retractable lift mechanism between the extended position and the retracted position. The linear actuator comprises a central screw rod, an electric motor configured to provide rotational actuation to the central screw rod, and a nut assembly configured to translate the rotational actuation of the central screw rod into linear motion. The lift controller is configured to receive a lift command from an operator, monitor at least one lift characteristic associated with the linear actuator, and selectively inhibit the lift command.
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公开(公告)号：US20220234873A1
公开(公告)日：2022-07-28
申请号：US17671204
申请日：2022-02-14
申请人： Oshkosh Corporation
摘要： A lift device includes a lift apparatus and a base assembly. The lift apparatus is configured to raise and lower an implement assembly. The base assembly is configured to support the lift apparatus. The base assembly includes a deployable operator station transitionable between a deployed position and a stowed position. In the deployed position, the deployable operator station is configured to provide a seating and control arrangement for an operator. In the stowed position, the deployable operator station is substantially sealed from an external environment to limit access to the deployable operator station.
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公开(公告)号：US11802031B2
公开(公告)日：2023-10-31
申请号：US17881322
申请日：2022-08-04
申请人： Oshkosh Corporation
发明人： Prabhu Shankar , Louis Bafile , Jihong Hao , Eko Prasetiawan , Scott Riley , David Lombardo
CPC分类号： B66F3/44 , B66F11/048 , B60S9/21
摘要： A fully electric lift device includes a base assembly, a lift assembly, a platform assembly, tractive elements, an energy storage device, and a control system. The lift assembly is coupled with the base assembly and is driven by an electric linear actuator for a lifting function. The platform assembly is positioned at a top of the lift assembly and can be raised or lowered as the lift assembly performs the lifting function. The tractive elements are rotatably coupled with the base assembly and can be driven by an electric wheel motor to perform a driving function. The control system includes a controller that operates the electric wheel motor and the electric linear actuator to perform the driving function and the lifting function using power drawn from the energy storage device. The lift assembly and the tractive elements use only electrical energy to perform the lifting and driving functions.
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