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公开(公告)号：US11582907B2
公开(公告)日：2023-02-21
申请号：US16248267
申请日：2019-01-15
发明人： Gary L. Nicholson
摘要： A grounds maintenance vehicle has a vehicle frame defining a column opening having a first end and a second end. An implement is coupled to the vehicle frame. A height adjustment column has a base and distal end, where the base is fixed to the implement. The distal end of the height adjustment column extends through the column opening from the first end beyond the second end. The height adjustment column defines a first locking structure and a plurality of height setting locations. A height selection tool is couplable to the height adjustment column and is translatable to each of the plurality of height setting locations. A second locking structure is coupled to the vehicle frame, where the second locking structure is configured to releasably engage the first locking structure such that the plurality of height setting locations are positioned beyond the second end of the column opening.
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公开(公告)号：US11560181B2
公开(公告)日：2023-01-24
申请号：US16402963
申请日：2019-05-03
摘要： A stand-up grounds maintenance vehicle including a chassis, a control tower, an implement, and a cover. The chassis is supported upon a ground surface by a plurality of ground-engaging members and extends along a longitudinal axis between a front end and a rear end. The control tower is coupled to the chassis proximate the rear end. The implement is attached to the chassis and is positioned at least partially forward of the control tower. The implement includes an implement drive. The cover extends over the implement drive and is pivotally coupled to the chassis.
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公开(公告)号：US20210340898A1
公开(公告)日：2021-11-04
申请号：US16862045
申请日：2020-04-29
发明人： Jeremy J. Tate , Derek L. Dragoo
摘要： The technology disclosed herein relates to a grounds maintenance vehicle. The grounds maintenance vehicle has an engine and an engine shroud defining a cooling volume around the engine. The shroud defines a shroud intake. An engine oil conduit extends from the engine and a heat exchanger is coupled to the engine oil conduit.
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公开(公告)号：USD897375S1
公开(公告)日：2020-09-29
申请号：US29689815
申请日：2019-05-02
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公开(公告)号：US10701859B2
公开(公告)日：2020-07-07
申请号：US15392282
申请日：2016-12-28
IPC分类号： A01D34/00 , A01D69/00 , A01D101/00
摘要： A control system for use with a turf maintenance vehicle. In one embodiment, the control system may provide a discrete engine speed input that may provide one engine speed command upon actuation, but result in additional engine speed commands depending on an actuation time of the input. In other embodiments, the vehicle may include an electronic controller (EC) providing resettable property statistics for one or more properties. In still another embodiment, the EC may provide a maintenance monitor onboard the vehicle that indicates maintenance status, when maintenance tasks are due or past due, and permanently records historical information regarding maintenance tasks. The maintenance monitor may further adjust a maintenance interval before the maintenance task is again due based upon inputs to the maintenance monitor.
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6.发明申请公开(公告)号：US20200080501A1
公开(公告)日：2020-03-12
申请号：US16123053
申请日：2018-09-06
IPC分类号： F02D35/02
摘要： Systems and methods for determining an idle, recommended cool-down period (RCDP) for a prime mover of a grounds maintenance vehicle. Delaying engine shutdown until after expiration of the RCDP allows engine components to adequately cool. In some embodiments, systems and methods may provide a quantitative indication of the time remaining in the RCDP, while other embodiments may notify an operator that a re-start of the engine is necessary to continue cool-down.
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公开(公告)号：US20190230839A1
公开(公告)日：2019-08-01
申请号：US15883366
申请日：2018-01-30
发明人： Clark S. Papke , Stanton L. Mapson , Alex W. Buhr , Justin L. Pryor , Daniel G. Jameson , Sang Pheng
摘要： A soil penetrating apparatus having an automatic tool (e.g., aerator tine) depth control system and method. The system includes an actuator that sets and controls tine depth, a sensor that monitors tine depth, and a controller that controls the actuator in response to the sensor. In some embodiments, the actuator is a hydraulic actuator, wherein once tine depth is set, flow to the actuator is bypassed. A relief may be provided to allow the tines to lift to a shallower depth temporarily when soil hardness exceeds a threshold. The system may then automatically return the tines to the pre-selected depth once soil conditions permit.
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公开(公告)号：US20190133039A1
公开(公告)日：2019-05-09
申请号：US15803979
申请日：2017-11-06
CPC分类号： A01D69/03 , A01D34/001 , A01D34/64 , A01D34/76 , A01D34/82 , A01D69/08 , A01D2101/00
摘要： Vehicles including a power system incorporating dual drive shafts. An exemplary power system may include an engine having a vertically-oriented crankshaft that extends outwardly both below the engine (lower drive shaft) and above the engine (upper drive shaft). The lower drive shaft may power an implement of the vehicle via an implement drive system, while the upper drive shaft may power drive wheels of the vehicle via a traction drive system. In another embodiment, the second drive shaft may be formed by a jackshaft adjacent the engine.
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公开(公告)号：US09623903B2
公开(公告)日：2017-04-18
申请号：US14697909
申请日：2015-04-28
摘要： A grounds maintenance vehicle such as a stand-on spreader/sprayer and a steering system for use with the same. In one embodiment, the steering system includes a laterally swinging control handle accessible by an operator standing on a platform of the vehicle. The handle controls movement of one or more steerable wheels such that lateral swinging of the control handle toward a left side results in a corresponding left turn, while lateral swinging of the control handle toward a right side results in a corresponding right turn.
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公开(公告)号：US20030192295A1
公开(公告)日：2003-10-16
申请号：US10421206
申请日：2003-04-22
发明人： Gary W. Busboom , Gary L. Nicholson
IPC分类号： A01D034/03
CPC分类号： A01D34/6806 , A01D2034/6843 , A01D2101/00 , Y10S56/18
摘要： An operator control system for a self-propelled vehicle such as a lawn mower is provided wherein the control system includes two opposing and preferably upwardly extending and converging hand grips each having a corresponding drive control lever associated therewith. Each drive control lever may have at least a portion that is parallel to a grip axis of its respective hand grip. Further, each drive control lever may have a pivot axis that is substantially parallel to the corresponding grip axis such that the drive control lever remains substantially parallel to its respective hand grip throughout its travel. In some embodiments, a neutral lock is provided to permit locking of each drive control lever in at least one position, e.g., a neutral position. Secondary levers such as operator presence control (OPC) levers may also be included. In one embodiment, an OPC lever is associated with each hand grip.
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