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公开(公告)号：US20220281316A1
公开(公告)日：2022-09-08
申请号：US17632737
申请日：2020-06-12
Applicant: CLARK EQUIPMENT COMPANY
Inventor： John Pfaff , Dennis Agnew , Matthew Sagaser
Abstract: Disclosed embodiments include power machines having doors with a display that allows the display of information, such as gauges, user inputs, mapped obstacles, boundaries, etc., allowing the operator of the machine to see the displayed information closer to the line of sight with the work area.
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公开(公告)号：US20220242501A1
公开(公告)日：2022-08-04
申请号：US17613562
申请日：2020-05-26
Applicant: Clark Equipment Company
Inventor： Dennis Agnew
IPC: B62D55/084 , B62D55/065 , B62D55/04 , B62D55/13
Abstract: A kit and corresponding method can be used to convert wheels of a power machine to track assemblies, such as to convert a four-wheeled power machine to a quad track power machine. A stub shaft (346) can be secured to an axle (328) of a power machine (300) and can be configured to support a track frame (366) of a track assembly in place of a wheel (319). A bearing (368) can be secured to the stub shaft (346) and a bushing (376) can engage the axle (328) to rotatably support the track assembly relative to the axle (328). Pieces of a segmented sprocket (378, 380) can be separately secured to a hub (306) of a power machine (300) to help install and drive a track of a track assembly.
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公开(公告)号：US11260921B2
公开(公告)日：2022-03-01
申请号：US16654397
申请日：2019-10-16
Applicant: Clark Equipment Company
Inventor： Cameron Hanson
Abstract: Disclosed embodiments include track mounts configured to secure a track assembly to a frame of a power machine, and power machines including the same. The track mounts include a mounting flange which secures to a side of the power machine frame. The track mounts also include a connecting structure extending between the mounting flange and a tack frame of the track assembly.
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公开(公告)号：US20210194249A1
公开(公告)日：2021-06-24
申请号：US17197553
申请日：2021-03-10
Applicant: CLARK EQUIPMENT COMPANY
Inventor： Nicholas Harknett , Sean Herman
Abstract: A mobile power source includes an electrical generator, a controller, a resistor, and a user-activated switch positioned on a control panel of the electrical generator, the user-activated switch is configured to move between at least a first position and a second position. In response to the user-activated switch being in the first position, the resistor is configured to act as a terminating resistor at one end of a controller area network (CAN) bus of a power generation system, and in response to the user-activated switch being in the second position, the resistor is configured to be prevented from acting as the terminating resistor of the CAN bus.
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公开(公告)号：US20210189692A1
公开(公告)日：2021-06-24
申请号：US17129086
申请日：2020-12-21
Applicant: Clark Equipment Company
Inventor： Douglas Kallas , Charles Young
Abstract: A control system for a hydrostatic drive system can include a hydraulic charge pump circuit having a hydraulic load and a tank. The hydraulic charge pump can be in fluid communication with the hydraulic charge pump circuit. A bypass line can extend to the tank from a junction between the hydraulic charge pump and the hydraulic load. A charge bypass valve can be disposed to control flow through the bypass line. The control system can include a control device configured to determine one or more operational parameters for the power machine and control the charge bypass valve to allow flow through the bypass line, from the hydraulic charge pump to the tank, based on the determined operational parameters during a starting operation.
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Patent Agency Ranking
公开(公告)号：US20210180286A1
公开(公告)日：2021-06-17
申请号：US17185150
申请日：2021-02-25
Applicant: Clark Equipment Company
Inventor： Branden Schiwal
Abstract: Disclosed embodiments include power machines and related structures of lift arms, implement carriers, follower links, and driver links which improve manufacturability, reduce component failures, and improve power machine design and functionality. In some embodiments, lift arm structures include cast lower lift arm portions. The cast lower lift arm portions include contoured upper ends which are sleeved onto contoured lower ends of upper lift arm portions to control stress points and to reduce stresses on welds. The follower link structures can include follower links which are configured to be positioned at least partially outside of the lift arm structure to improve rear visibility. The driver link structures can be configured to be laterally overlapping with innermost surfaces on the lift cylinder, but configured such that as the lift arm is raised the laterally overlapping portions are moved above the innermost surfaces of the lift cylinder.
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公开(公告)号：US10934684B2
公开(公告)日：2021-03-02
申请号：US16177864
申请日：2018-11-01
Applicant: Clark Equipment Company
Inventor： Michael D. Wetzel , Jonathan J. Roehrl
Abstract: Power machines such as excavators with control inputs that are configurable to control various functions on the excavator. In some modes, selected control inputs are manipulable to control the position of a lift arm, bucket, and house position. In other modes, the same control inputs are used to control travel and an implement on an undercarriage.
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公开(公告)号：US10933814B2
公开(公告)日：2021-03-02
申请号：US16516366
申请日：2019-07-19
Applicant: Clark Equipment Company
Inventor： Cody Erhardt , Jonathan J. Roehrl
Abstract: Disclosed are front entry cabs, and power machines with front entry cabs, having a door that is moveable between opened and closed positions and a display oriented in the cab to provide information to the operator both while the door is in the opened and closed positions. In the opened position, the door is positioned within an operator compartment of the cab above the operator seat and below a top of the cab. The display is positioned to not interfere with the door, door linkages, or operator joystick control.
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公开(公告)号：US10815639B2
公开(公告)日：2020-10-27
申请号：US16123667
申请日：2018-09-06
Applicant: Clark Equipment Company
Inventor： David Altstadt , Lucas Gossen , Jesse Laugen , Kenneth Loepp , Doran Hirschkorn , Riley Fritz , Benjamin Schanilec , Chase Redmond , Joel Ende
Abstract: Disclosed are excavators or other power machines having a lift arm structure with a bucket coupled to an arm to pick up material during a digging or scooping operation, and a bucket cleanout devices to aid in removal of material from the bucket. The bucket cleanout devices include components which are rotatably coupled to a support structure, such as the arm, an implement carrier and/or the bucket and configured to aid in removal of material during a material dumping movement of the bucket.
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公开(公告)号：US10794551B2
公开(公告)日：2020-10-06
申请号：US15664243
申请日：2017-07-31
Applicant: CLARK EQUIPMENT COMPANY
Inventor： Lloyd N. Flesch , John T Gunn
IPC: H02J1/10 , H02J7/34 , F21L4/08 , H02J7/00 , H02J7/14 , H05B47/19 , H05B47/175 , H05B47/185 , F21V21/22 , F21V23/02
Abstract: A light system includes a plurality of light towers including a first light tower and a second light tower. Each light tower include a light source, a rechargeable battery operable to provide electrical power to the light source, and a control system programmed to control the flow of power to and from the rechargeable battery. The light system further includes a power/network cord electrically connecting the first light tower to the second light tower, a power source, and a power recharge cord arranged to electrically connect the first light tower to the power source. The power recharge cord is operable to provide electrical power from the power source to the first light tower and from the first light tower to the second light tower via the power/network cord. Each control system is programmed to selectively activate the power source to initiate a recharge cycle for the respective rechargeable battery.
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