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公开(公告)号：US20240065148A1
公开(公告)日：2024-02-29
申请号：US18387359
申请日：2023-11-06
CPC分类号： A01D34/82 , A01D34/662 , A01D67/00 , B60G3/20 , B60G3/202 , B60G3/26 , B60G15/062 , A01D34/66 , A01D2101/00 , B60G2200/182
摘要： A front independent suspension assembly for outdoor power equipment includes a first joint, a first wheel coupled to the joint, a first longitudinal arm pivotably coupled to the joint, a first lateral arm pivotably coupled to the joint, and a second lateral arm pivotably coupled to the joint. The second lateral suspension arranged substantially parallel to the first lateral suspension arm. The pivotal coupling between the joint and each of the first longitudinal arm, the first lateral arm, and the second lateral arm enables the first wheel to independently displace about a vertical axis
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公开(公告)号：US20230018540A1
公开(公告)日：2023-01-19
申请号：US17954877
申请日：2022-09-28
摘要： A lawnmower includes a frame, a pair of drive wheels, a front axle assembly, a first caster wheel, a second caster wheel, a first rod, a second rod, and a mower deck. The pair of drive wheels are coupled to a second end portion of the frame. The front axle assembly includes a bar pivotally coupled to a first end portion of the frame about a pivot axis. The first caster wheel is coupled to a first lateral end of the bar. The second caster wheel is coupled to a second lateral end of the bar. The first rod is coupled between the frame and the first lateral end of the bar. The second rod is coupled between the frame and the second lateral end of the bar. When the bar pivots about the pivot axis, the first caster wheel and the second caster wheel move relative to the frame.
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公开(公告)号：US11805729B2
公开(公告)日：2023-11-07
申请号：US17210003
申请日：2021-03-23
CPC分类号： A01D34/82 , A01D34/662 , A01D67/00 , B60G3/20 , B60G3/202 , B60G3/26 , B60G15/062 , A01D34/66 , A01D2101/00 , B60G2200/1442 , B60G2200/182 , B60G2200/445 , B60G2202/312 , B60G2204/129 , B60G2204/1242 , B60G2206/10 , B60G2300/084
摘要： An outdoor power equipment unit includes independent suspension system having a frame, a first wheel assembly, a second wheel assembly, a first laterally-extending suspension arm pair, and a second laterally-extending suspension arm pair. The first wheel assembly includes a first wheel and a first side suspension arm. The first side suspension arm is pivotably coupled at a first end to a first side structural member and is fixedly coupled at a second opposite end to a joint of the first wheel assembly. The second wheel assembly is arranged similarly to the first wheel assembly. Both the first laterally-extending suspension arm pair and the second laterally-extending suspension arm pair are configured to independently pivot about the frame to be vertically displaceable relative to the frame.
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公开(公告)号：US11570948B2
公开(公告)日：2023-02-07
申请号：US16549078
申请日：2019-08-23
IPC分类号： A01D34/74 , A01D34/69 , A01D101/00
摘要： Outdoor power equipment includes a frame, a power head, a hydrostatic transmission, a pair of rear drive wheels, a drive chain, and a wheel height adjustment mechanism. The hydrostatic transmission includes a drive gear configured to rotate about a first axis. The pair of rear drive wheels are coupled at respective ends of a rear drive axle, wherein the rear drive axle is operably coupled to a driven gear. The pair of rear drive wheels, the rear drive axle, and the driven gear are configured to rotate about a second axis. The drive chain is operably coupled to both the drive gear and the driven gear. The wheel height adjustment mechanism includes a first bell crank pivotally coupled to the frame about the first axis, with a first end of the first bell crank being coupled to the rear drive axle.
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公开(公告)号：US11470773B2
公开(公告)日：2022-10-18
申请号：US16053262
申请日：2018-08-02
摘要： A zero turn radius lawnmower, such as a stand-on lawnmower, including a main frame having a first end portion and a second end portion, a pair of drive wheels operably coupled to the second end portion of the main frame and configured to be driven independently in both forward and reverse directions, and a front axle assembly pivotally coupled to the first end portion of the main frame about a single axis. The zero turn radius lawnmower also includes a pair of caster wheels coupled to respective ends of the front axle assembly such that the pair of caster wheels are able to move relative to the main frame, as well as a mower deck coupled to the main frame by at least one first linkage and coupled to the front axle assembly by at least one second linkage.
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公开(公告)号：US20210386019A1
公开(公告)日：2021-12-16
申请号：US17461658
申请日：2021-08-30
摘要： A standing ride on mower includes a frame, a right drive wheel, a left drive wheel, a prime mover, a right side integrated transaxle operating under influence of the prime mover to drive rotation of the right drive wheel and having a housing, hydraulic pump, and hydraulic motor, a left side integrated transaxle operating under influence of the prime mover to drive rotation of the left drive wheel, having a housing, hydraulic pump, and hydraulic motor, and an operator platform to support a standing operator of the mower extending beneath the left housing and beneath the right housing such that a distance between an innermost portion of the right side integrated transaxle and an innermost portion of the left side integrated transaxle is less than a width of the operator platform.
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公开(公告)号：US11910745B2
公开(公告)日：2024-02-27
申请号：US17005963
申请日：2020-08-28
发明人： Robert S. Laurin , Mark J. Melone , E. Mark Lynch
IPC分类号： A01D34/66 , A01D75/30 , A01D34/78 , A01D34/82 , A01D101/00
CPC分类号： A01D34/66 , A01D34/78 , A01D34/828 , A01D75/303 , A01D75/306 , A01D2101/00
摘要： A mower includes a pair of drive wheels, a pairs of non-drive wheels, and a mower deck. The mower deck includes a central deck housing, a first blade housing, a second blade housing, and an actuator coupled to the central deck housing and at least one of the first blade housing and the second blade housing. The first blade housing is pivotally coupled to a first side of the central deck housing so as to be angularly displaceable relative to the central deck housing, the second blade housing is pivotally coupled to a second side of the central deck housing so as to be angularly displaceable relative to the central deck housing. The actuator is configured to selectively raise and lower at least one of the first blade housing and the second blade housing relative to the central deck housing.
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公开(公告)号：US20230117891A1
公开(公告)日：2023-04-20
申请号：US17965968
申请日：2022-10-14
发明人： Michael Broge , Victor Burgess , Derrick Camenga , Joshua R. Kowalski , Robert S. Laurin , Mark J. Melone
摘要： A zero-turn radius lawnmower includes a chassis having a rear frame, a crossbeam, and a subframe, and a battery receptacle for receiving a battery pack. A first rear suspension cradle is rotatable coupled to the crossbeam on a first end, and is movably coupled to the first side panel on a second end. The first rear suspension cradle supports a first electric motor configured to rotate a first drive wheel supported by the first rear suspension cradle. A second rear suspension cradle is rotatably coupled to the crossbeam on a first end and movably coupled to the second side panel on a second end. The second suspension cradle supports a second electric motor configured to rotate a second drive wheel supported by the second rear suspension cradle. The first rear suspension cradle and the second rear suspension cradle are independently rotatable relative to the rear frame.
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公开(公告)号：US20220377976A1
公开(公告)日：2022-12-01
申请号：US17884194
申请日：2022-08-09
摘要： Outdoor power equipment includes a frame, a power head, a transmission, a pair of rear drive wheels, and a wheel height adjustment mechanism. The power head is coupled to the frame. The transmission is coupled to the frame and operatively coupled to the power head. The transmission includes a drive rotatable member configured to rotate about a first axis. The pair of rear drive wheels are coupled at respective ends of a rear drive axle so that the rear drive axle, and the pair of rear drive wheels coupled thereto, rotate about a second axis different than the first axis. The wheel height adjustment mechanism includes a first bell crank pivotally coupled to the frame about the first axis. A first end of the first bell crank is coupled to the rear drive axle.
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公开(公告)号：US11102929B2
公开(公告)日：2021-08-31
申请号：US16132631
申请日：2018-09-17
IPC分类号： A01D69/03 , A01D34/64 , A01D34/82 , B60T7/12 , A01D101/00
摘要： A standing ride on mower includes a frame, a right drive wheel, a left drive wheel, a prime mover, a cutting deck assembly, a right side integrated transaxle operating under influence of the prime mover to drive rotation of the right drive wheel, the right side integrated transaxle including a right side housing, a right hydraulic pump within the housing, and a right hydraulic motor within the housing, a left side integrated transaxle operating under the influence of the prime mover to drive rotation of the left drive wheel, the left side integrated transaxle including a left side housing, a left hydraulic pump within the housing, and a left hydraulic motor within the housing, and an operator platform to support a standing operator of the mower. The operator platform extends beneath the left housing and beneath the right housing.
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