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公开(公告)号：US11383570B2
公开(公告)日：2022-07-12
申请号：US17125528
申请日：2020-12-17
发明人： Alan W. Bartels , David King
IPC分类号： B60G9/02
摘要： A material handling vehicle is provided. The material handling vehicle includes a vehicle frame having a drive wheel and an offset wheel arranged under the vehicle frame. The material handling vehicle further includes a rear load wheel assembly pivotally coupled to the vehicle frame via an articulating axle assembly. The rear load wheel assembly includes a first load wheel and a second load wheel. The pivotal coupling between the rear load wheel and the vehicle frame provided by the articulating axle assembly is configured to maintain the drive wheel and the offset wheel in contact with a floor on which the drive wheel and the offset wheel travel.
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公开(公告)号：USD953295S1
公开(公告)日：2022-05-31
申请号：US29685636
申请日：2019-03-29
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公开(公告)号：US20220144548A1
公开(公告)日：2022-05-12
申请号：US17586569
申请日：2022-01-27
IPC分类号： B65G1/137
摘要： An alignment and task indication system is provided. The alignment and task indication system includes a conveyor cart having a first cart sensor, a second cart sensor, a first cart reflector, and a second cart reflector, and a stationary conveyor including a stationary sensor and a stationary reflector. The first cart sensor and the second cart sensor are attached to a first side of the conveyor cart and the first cart reflector and the second cart reflector are attached to a second opposite side of the conveyor cart. The first cart sensor and the first cart reflector are arranged at a first height and the second cart sensor and the second cart reflector are arranged at a second height.
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公开(公告)号：US20220010818A1
公开(公告)日：2022-01-13
申请号：US17473835
申请日：2021-09-13
发明人： Erik C. Tracy
摘要： A method of controlling a hydraulic control system of a material handling vehicle is provided. The method includes detecting an elevated height of a fork assembly, determining if the elevated height is above a first predetermined height threshold, and actuating a first low pressure control valve from a control valve closed position to a control valve open position to provide fluid communication from a supply passage to the first low pressure relief valve when the elevated height is above a first predetermined height threshold.
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公开(公告)号：US11186469B2
公开(公告)日：2021-11-30
申请号：US16421933
申请日：2019-05-24
摘要： A wheel assembly includes a wheel having an axle, and a constant force mechanism coupled to the wheel. The constant force mechanism includes a horizontal support, a horizontal carriage associated with the horizontal support, a vertical support oriented perpendicular with respect to the horizontal support, a vertical carriage associated with the vertical support, and a rigid arm that is pivotally coupled with the horizontal carriage, the vertical carriage, and the axle. The rigid arm is coupled with the vertical carriage at a point intermediate where the rigid arm is coupled with the horizontal carriage and the axle. The horizontal carriage is capable of being urged along the horizontal support, and the vertical carriage is capable of being urged along the vertical support.
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公开(公告)号：US20210327300A1
公开(公告)日：2021-10-21
申请号：US17364513
申请日：2021-06-30
摘要： Systems and methods for material handling vehicle simulation are provided. In one aspect, a method for material handling vehicle simulation using a material handling vehicle includes connecting a simulation controller to a simulation port, providing an input to a soft switch on a touch screen, upon providing the input to the soft switch on the touch screen, triggering the material handing vehicle to transition from the standard mode to the simulation mode, and projecting a simulated environment onto a simulation display. The simulated environment is configured to simulate operation of the material handling vehicle on the simulation display.
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公开(公告)号：US10604391B2
公开(公告)日：2020-03-31
申请号：US15934011
申请日：2018-03-23
摘要： Systems and methods for mast stabilization on a material handling vehicle are provided. In one aspect, the present disclosure provides systems and methods for a hydraulic circuit configured to stabilize a mast of a material handling vehicle in dynamic and static events. The hydraulic circuit is integrated into a typical hydraulic system used to raise and lower the mast and thereby a load supported by the mast.
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公开(公告)号：US10544022B2
公开(公告)日：2020-01-28
申请号：US15782289
申请日：2017-10-12
摘要： Provided are systems and methods for monitoring the position of a handle of a material handling vehicle comprising a handle, a first sensor positioned along the material handling vehicle, a second sensor positioned along the handle, and a controller configured to retrieve first positional information from the first sensor, retrieve second positional information from the second sensor, and compare the first positional information with the second positional information. The controller can adjust the operation of at least one of a lift motor and a drive motor of the material handling vehicle based on the comparison of the first positional information with the second positional information.
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公开(公告)号：USD865820S1
公开(公告)日：2019-11-05
申请号：US29682065
申请日：2019-03-01
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公开(公告)号：US10338603B2
公开(公告)日：2019-07-02
申请号：US15412453
申请日：2017-01-23
发明人： Joshua D. Vanderpool , Nathaniel W. Rogers , Joseph L Callea , Ryan A. Magill , Gregory W. Smiley , Sandra L. Charles , Timothy E. Donahue
摘要： One or more material handling vehicles of a fleet can be equipped with telematics controllers and configured for wireless communication. In different arrangements, the material handling vehicles of the fleet can communicate with each other and with a management system, in order to effect management of the fleet and of particular material handling vehicles belonging thereto.
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