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公开(公告)号：US20210300109A1
公开(公告)日：2021-09-30
申请号：US17217641
申请日：2021-03-30
发明人： Taihei TSUBONE , Kyohei HAIZUMI , Wataru YADA , Tomokazu SAKAMOTO , Takeshi ECHIZENYA , Seiji KATO
摘要： A rotary drive device in a mobile body includes a main wheel and a pair of drive assemblies opposing each other and each driving the main wheel. The main wheel includes driven rollers. One of the pair of drive assemblies includes a motor, a motor case, a drive force transmission, and driving rollers. The driving rollers are in the drive force transmission along a circumferential direction, and contact at least a portion of the driven rollers from one side of the rotary drive device of the axial direction. The drive force transmission rotates to transmit a drive force of the motor to the main wheel via the driving rollers. At least a portion of the motor case opposes at least a portion of the driving rollers in the axial direction.
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公开(公告)号：US20210282991A1
公开(公告)日：2021-09-16
申请号：US17200985
申请日：2021-03-15
发明人： Wataru YADA , Tomokazu SAKAMOTO , Masaki GOTO , Takeshi ECHIZENYA
IPC分类号： A61G5/10
摘要： The vehicle is provided with a lift unit includes a fixed base (21) supported by a vehicle body frame, a movable base (22) connected to a seat base supporting a seat (4), and supported by the fixed base so as to be movable between a lowered position and a reference position higher than the lowered position relative to the fixed base, an engagement device (23) configured to selectively retain the movable base to the fixed base at the reference position, an electric lift mechanism (24) configured to move the movable base vertically relative to the seat base, and a control unit (6) controlling the engagement device and the electric lift mechanism.
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公开(公告)号：US20240325221A1
公开(公告)日：2024-10-03
申请号：US18590947
申请日：2024-02-29
发明人： Masaki GOTO , Tomokazu SAKAMOTO , Yuta KIMURA , Kazumasa OZAKI
CPC分类号： A61G5/104 , A61G5/041 , A61G5/1059 , A61G2203/42
摘要： A vehicle includes: a vehicle body frame; a drive unit, provided in the vehicle body frame and movable on a road surface; a seat, arranged above the vehicle body frame and supporting buttocks of a user; a lifting device, provided between the vehicle body frame and the seat and lifting or lowering the seat between a low position and a high position; a position specifier, provided in the vehicle body frame and detecting a position of the vehicle; and a control device, controlling the drive unit and the lifting device. The control device includes an inclination specifier that specifies a road surface inclination angle at the position of the vehicle based on a detection result of the position specifier. When the seat is at the low position and a lifting prohibition condition is satisfied, the control device prohibits lifting drive of the lifting device.
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公开(公告)号：US20230294475A1
公开(公告)日：2023-09-21
申请号：US18173764
申请日：2023-02-23
发明人： Tomokazu SAKAMOTO , Kazumasa OZAKI
IPC分类号： B60G17/019
CPC分类号： B60G17/01908 , B60G2300/24 , B60G2400/0511 , B60G2400/0512 , B60G2500/30
摘要： A vehicle includes a vehicle body frame, a vehicle body tilt sensor, a drive unit, and a seat. The vehicle body tilt sensor is provided at the vehicle body frame and detects a tilt angle of the vehicle body frame. The drive unit is coupled to the vehicle body frame and moves the vehicle body frame by inverted pendulum control based on the tilt angle detected by the vehicle body tilt sensor. The seat includes a seat body and a leg part. The seat is capable of being raised and lowered between a low position at which the leg part is in contact with a floor surface and a high position at which the leg part separates from the floor surface, and the seat is elastically coupled to the vehicle body frame. A seat tilt sensor which detects a tilt angle of the seat is provided at the seat.
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公开(公告)号：US20240109366A1
公开(公告)日：2024-04-04
申请号：US18372928
申请日：2023-09-26
CPC分类号： B60B19/003 , B60B19/12 , B60B27/0021
摘要： A wheel assembly includes a wheel portion and a pair of drive assemblies opposing each other with the wheel portion interposed therebetween. One of the pair of drive assemblies includes a first motor and a first deceleration assembly. The other of the pair of drive assemblies includes a second motor and a second deceleration assembly. The first deceleration assembly includes a first input shaft connected to the first output shaft. The first rotation axis and the second rotation axis are parallel to the rotation axis of the wheel portion and disposed outside the wheel portion in the radial direction of the wheel portion. The first output shaft, the first input shaft, the second output shaft, and the second input shaft extend in a direction away from the wheel portion in a direction along the rotation axis.
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公开(公告)号：US20230294787A1
公开(公告)日：2023-09-21
申请号：US18171673
申请日：2023-02-21
发明人： Tomokazu SAKAMOTO , Kazumasa OZAKI , Masaki GOTO
IPC分类号： B62K11/00
CPC分类号： B62K11/007
摘要： A vehicle includes a drive unit, a direction input device, a mode switching operator, and a control device. The drive unit is provided at a vehicle body frame and is capable of translating in all directions on a floor surface and turning. The direction input device receives a direction input. The mode switching operator receives a mode switching input. The control device is configured to: switch a travel mode of the drive unit between a translation mode and a turning mode based on the mode switching input, control the drive unit to translate with respect to the floor surface based on a signal from the direction input device when the translation mode is selected, and control the drive unit to turn with respect to the floor surface based on a signal corresponding to a left or right direction from the direction input device when the turning mode is selected.
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公开(公告)号：US20230249590A1
公开(公告)日：2023-08-10
申请号：US18059767
申请日：2022-11-29
IPC分类号： B60N2/04
CPC分类号： B60N2/04
摘要： A vehicle includes: a vehicle body frame; a drive unit provided on the vehicle body frame and movable on a floor surface; a seat disposed above the vehicle body frame to support buttocks of a user; a lift unit provided between the vehicle body frame and the seat to raise and lower the seat between a low position and a high position; and an operation device provided on at least one of a left side portion and a right side portion of the seat. The operation device includes an operation panel having an operation surface that faces upward, a lever extending upward and forward from a rear portion of the operation panel, and multiple operation members provided on the operation surface. At least one of the multiple operation members is disposed in a position overlapping with the lever as seen from above.
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公开(公告)号：US20150129326A1
公开(公告)日：2015-05-14
申请号：US14534828
申请日：2014-11-06
发明人： Kazumasa OZAKI , Hiroshi IWAKAMI , Shinji KAWATANI , Hideo MURAKAMI , Shinya SHIROKURA , Atsushi MATSUNAGA , Tomokazu SAKAMOTO , Makoto HASEGAWA , Shinichiro KOBASHI
CPC分类号： B62K3/007 , B62H1/02 , B62J25/00 , B62K1/00 , B62K11/007 , Y10T74/20918
摘要： An inverted pendulum control type moving body is provided with: a first driving portion that moves a host moving body at least in a forward/backward direction; a supporting portion that supports the inverted pendulum control type moving body so that it stands independently in a state of being in contact with the ground; an operation portion that switches between the ground contact state and a ground separation state of the supporting portion; and a control portion that, when the operation portion switches the state of the supporting portion from the ground contact state to the ground separation state, controls operation of the first driving portion so that a forward/backward direction tilt angle of the inverted pendulum control type moving body approximates a target tilt angle in the ground contact state.
摘要翻译： 倒立摆控制型移动体设置有：至少沿前后方向移动主体移动体的第一驱动部; 支撑部，其支撑倒立摆控制型移动体，使其在与地面接触的状态下独立地立起; 操作部，其在所述接地接触状态与所述支撑部的接地分离状态之间切换; 以及控制部，当所述操作部将所述支撑部的状态从所述接地状态切换到所述接地分离状态时，控制所述第一驱动部的动作，使得所述倒立摆控制型的前后方向倾斜角 移动体接近地面接触状态下的目标倾斜角。
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