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公开(公告)号：US20240188486A1
公开(公告)日：2024-06-13
申请号：US18064154
申请日：2022-12-09
IPC分类号： A01D34/416 , B65H61/00
CPC分类号： A01D34/4162 , B65H61/00 , A01D2101/00 , B65H2405/572 , B65H2405/575 , B65H2405/584 , B65H2553/00 , B65H2701/354
摘要： An automatic feed system for a trimmer is provided. Such trimmers include a line that can be spun at high speeds to cut vegetation along roadsides or other areas. The automatic feed system is configured to dynamically detect the current length of the line and automatically feed the line to maintain a maximum or desired length for cutting. This length may typically correspond with the radius of a trimmer deck in which the line spins.
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公开(公告)号：US11160207B2
公开(公告)日：2021-11-02
申请号：US16257942
申请日：2019-01-25
IPC分类号： A01D34/74 , A01D34/00 , A01D34/66 , A01D101/00
摘要： A mower deck can include a linkage that enables adjusting the height of the mower deck with a single action. The mower deck can include a rolling mechanism support arm at each corner and a coupling mechanism that extends between the front and rear rolling mechanism support arms on each side of the mower deck. A shaft can extend between the two front rolling mechanism support arms and can be rotated via an actuator. When the shaft is rotated, the front rolling mechanism support arms will rotate in unison, and the coupling mechanisms will cause the rear rolling mechanism support arms to also rotate in unison. In this way, a single action can cause the height of the mower deck to be adjusted. Alternatively, a mower deck can include a height adjustment mechanism at each corner of the mower deck which can be controlled synchronously to adjust the height.
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公开(公告)号：US10939615B2
公开(公告)日：2021-03-09
申请号：US15795065
申请日：2017-10-26
IPC分类号： A01D34/74 , A01D34/81 , A01D101/00 , A01D34/66
摘要： A mower deck can include a linkage that enables adjusting the height of the mower deck with a single action. The mower deck can include a rolling mechanism support arm at each corner and a coupling mechanism that extends between the front and rear rolling mechanism support arms on each side of the mower deck. A shaft can extend between the two front rolling mechanism support arms and can be rotated via an actuator. When the shaft is rotated, the front rolling mechanism support arms will rotate in unison, and the coupling mechanisms will cause the rear rolling mechanism support arms to also rotate in unison. In this way, a single action can cause the height of the mower deck to be adjusted.
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公开(公告)号：US10155632B2
公开(公告)日：2018-12-18
申请号：US15176764
申请日：2016-06-08
IPC分类号： A01G20/15 , B65G57/03 , B65G43/08 , B65G47/64 , B65G47/31 , B65B57/14 , B65B5/10 , B65G47/71 , B65B35/18 , B65B57/16
摘要： Sod harvester stacking head and stacking conveyor configurations can increase the rate at which sod can be harvested. The movement of the stacking head and/or the stacking conveyor can be controlled to maximize the rate at which the stacking head can remove sod from the stacking conveyor. A stacking head can employ multiple pick up positions. A stacking conveyor may also advance sod for pick up at varying rates. A stacking head may include a pivoting connection to allow the stacking head to rotate around a pivot during a pick up operation.
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公开(公告)号：US09629296B2
公开(公告)日：2017-04-25
申请号：US14625530
申请日：2015-02-18
IPC分类号： A01B45/04
摘要： A chop mechanism for a sod harvester can include a motor for rotating a cam to lift a chop frame. The cam can include a ready position in which it remains until a chopping action is started. The cam can be rotated from the ready position to a drop position in which the cam no longer supports a follower mounted to the chop frame. After the cam reaches the drop position, the rotation of the cam can be stopped to position the cam in a safe position to prevent the follower from striking the cam as the chop frame descends. Then, rotation of the cam can be resumed to return the cam to the ready position to await the next chopping action. The rotation of the cam from the ready position to the safe position and from the safe position to the ready position can be performed at different rates.
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公开(公告)号：US11864498B2
公开(公告)日：2024-01-09
申请号：US16370995
申请日：2019-03-31
发明人： Steven R. Aposhian , Eric E. Aston , William M. Decker , Mark C. LeBlanc , Austin J. Neuner , Seth W. Jeppson
IPC分类号： A01G20/12
CPC分类号： A01G20/12
摘要： A roll forming mechanism can include a passive roll-up mechanism that initiates the roll and an active roll-up mechanism that completes the roll. The active roll-up mechanism can include an upper conveyor that is rotated in different directions. The upper conveyor can initially be rotated in a direction opposite that of an inclined conveyor to cause a forming roll to advance along the inclined conveyor. The rotation of the upper conveyor can then be reversed to cause the roll to be completed. Then, the upper conveyor can again be rotated in the direction opposite that of the inclined conveyor to cause the completed roll to be transferred towards the stacking conveyor. The amount by which the upper conveyor is rotated in the reverse direction can be based on a detected length of a tail of the forming roll.
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公开(公告)号：US11844314B1
公开(公告)日：2023-12-19
申请号：US17886866
申请日：2022-08-12
摘要： Sod harvesters can be configured to stack rolls of sod in unique layers on a pallet. A sod harvester can include control circuitry that is configured to operate a stacking head and a stacking conveyor in a manner that enables the layers to be formed. The structure of the layers can facilitate harvesting wider rolls even when narrower pallets are used to transport the rolls.
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公开(公告)号：US20230076632A1
公开(公告)日：2023-03-09
申请号：US17466615
申请日：2021-09-03
摘要： A steering system for a mower can include a wheel-specific driving unit for each wheel and a controller for providing control signals to each wheel-specific driving unit to thereby cause each wheel to be independently rotated at a different speed during a turn. By independently rotating each wheel, the mower can complete a turn without damaging the grass. The controller may also provide control signals to cause each steerable wheel to be positioned in a different wheel direction during the turn.
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公开(公告)号：US20210382490A1
公开(公告)日：2021-12-09
申请号：US16892780
申请日：2020-06-04
摘要： Low profile object detection can be performed on mowers or other vehicles that may be autonomous. An autonomy controller can be employed on a mower to receive and process sensor data for a detection area to determine whether an object may be present in a region of interest within the detection area. When the autonomy controller determines that an object may be present, it can cause the ground speed of the mower to be slowed and can commence buffering region of interest sensor data over a period of time. The autonomy controller can process the buffered region of interest sensor data to determine whether an object is present in the region of interest, and if so, can alter the path of the mower appropriately.
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公开(公告)号：US09894824B2
公开(公告)日：2018-02-20
申请号：US14815511
申请日：2015-07-31
发明人： Steven R. Aposhian , Eric E. Aston , William M. Decker , Samuel H. Drake , Daniel A. Aposhian , Matthew G. Aposhian
IPC分类号： A01B45/04
摘要： A sod harvester can include a preliminary stacking head for stacking slabs of sod prior to the stacked slabs being removed from a stacking conveyor for stacking on a pallet. In this way, the stacking head can remove multiple layers of sod during a single stacking operation. The preliminary stacking head can be positioned overtop a conveyor and can be configured to pick up a slab of sod as the slab travels along the conveyor. The preliminary stacking head can then drop the slab on top of a trailing slab thereby forming a stack of slabs on the conveyor. The conveyor over which the preliminary stacking head is positioned can be an inclined conveyor that transports slabs of sod from the ground to a stacking conveyor.
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