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1. 发明公开

US20240252009A1 HANDHELD ELECTRIC VACUUM 审中-公开
公开(公告)号：US20240252009A1
公开(公告)日：2024-08-01
申请号：US18411868
申请日：2024-01-12
申请人： YAMABIKO CORPORATION
发明人： Tomohisa UMEKI , Kenji Suzuki
IPC分类号： A47L9/32 , A47L5/24 , A47L9/24 , A47L9/28
CPC分类号： A47L9/322 , A47L5/24 , A47L9/242 , A47L9/248 , A47L9/2857 , A47L9/2884
摘要： Provided is a handheld electric vacuum capable of improving the operability and workability while reducing the likelihood of the structure becoming more complicated or larger by optimizing the layout configuration around a handle, including a blower fan, a casing, and a battery. The blower fan is inclined forwardly along a bending portion and disposed on the base end side of the bending portion provided at the base end of the pipe. In addition, an opposing portion (vertical side portion) of the handle incorporating the battery, facing the blower fan is inclined (inclined backwardly) oppositely to the blower fan. The upper length (near a grip portion) of a space of the handle formed on the base end side of the blower fan is greater than the lower length thereof.

2. 发明授权

US12036655B2 Electric working machine 有权
公开(公告)号：US12036655B2
公开(公告)日：2024-07-16
申请号：US18191155
申请日：2023-03-28
申请人： YAMABIKO CORPORATION
发明人： Atsushi Nishimura , Satoshi Ueda
IPC分类号： B25F5/00 , H02P3/08 , H02P27/04 , H02P27/06 , B27B17/08
CPC分类号： B25F5/001 , H02P3/08 , H02P27/045 , H02P27/06 , B25F5/008 , B27B17/08
摘要： According to an aspect of the present invention, an electric working machine is provided. The electric working machine comprises a motor, an operation portion, a working portion, and a controller. The working portion is configured to be driven by the motor and act on a work target. The operation portion is configured to be operated by an operator. The controller is configured to control a maximum power that can be input to the motor to a first power when receiving an operation signal indicating an amount of operation to the operation portion. Further, the controller is configured to perform first switching control to switch the maximum power to a second power that is less than the first power when rotation speed of the motor becomes less than a first threshold due to a load on the working portion.

3. 发明公开

US20240044309A1 EASY ENGINE STARTING SYSTEM 审中-公开
公开(公告)号：US20240044309A1
公开(公告)日：2024-02-08
申请号：US18554632
申请日：2021-04-26
申请人： YAMABIKO CORPORATION , OPPAMA INDUSTRY CO., LTD.
发明人： Akira TANABE , Tamotsu SAITO , Ryosuke IMAI , Ryosuke KAJIYAMA
IPC分类号： F02N3/02 , F16D43/06
CPC分类号： F02N3/02 , F16D43/06
摘要： Provided is an easy engine starting system including: an engine; a centrifugal clutch configured to transmit a driving force of the engine to a driven device; and a control device configured to adjust output of the engine. When the engine is to be started, the engine is accelerated at start engine output which enables the engine to reach a rotation speed higher than a clutch-in rotation speed. The control device has suppression control of suppressing, at the start engine output, the rotation speed to a rotation speed equal to or lower than the clutch-in rotation speed.

4. 发明公开

US20240026849A1 DEVICE FOR CONTROLLING ENGINE AFTER STOPPING THE ENGINE, AND ENGINE INCORPORATED WITH THE SAME 审中-公开
公开(公告)号：US20240026849A1
公开(公告)日：2024-01-25
申请号：US18223060
申请日：2023-07-18
申请人： YAMABIKO CORPORATION
发明人： Ayato OIMATSU , Taiji MATSUBARA , Keigo EGAWA
IPC分类号： F02P5/15 , F02D41/04
CPC分类号： F02P5/1504 , F02D41/042
摘要： An ignition resumption control unit (40) is disposed that resumes control of an ignition plug (14) if a first predetermined time has elapsed or if engine rotation number has fallen below a threshold value, after receiving an engine stop signal. The ignition resumption control unit (40) executes the control of the ignition plug (14), based on resumption ignition timings (Tg(R-on)) that are timing deviating from an entire ignition timing range set in a normal working area of an engine body (2).

5. 发明授权

US11754113B2 Rotary body 有权
公开(公告)号：US11754113B2
公开(公告)日：2023-09-12
申请号：US17917050
申请日：2021-04-06
申请人： YAMABIKO CORPORATION
发明人： Kunimune Kawamura
IPC分类号： F16C3/22 , F02B75/32 , F16C3/20
CPC分类号： F16C3/22 , F16C3/20 , F02B75/32
摘要： The rotary body according to the present invention is made of resin and attached to a crankshaft. The rotary body has an outside plate element and an inside plate element which are attached to an outside surface and an inside surface of an arm portion of the crankshaft, respectively, and a pair of filler elements disposed between the outside plate element and the inside plate element and on both sides of the arm portion. The outside plate element and the pair of the filler elements are coupled to each other, and the pair of the filler elements and the inside plate element are coupled to each other.

6. 发明公开

US20230265781A1 TWO-STROKE ENGINE 审中-公开
公开(公告)号：US20230265781A1
公开(公告)日：2023-08-24
申请号：US18020269
申请日：2021-05-21
申请人： YAMABIKO CORPORATION
发明人： Kuniyoshi ETO , Shirou YAMAGUCHI , Takuo YOSHIZAKI
IPC分类号： F02B19/12 , F02B25/16 , F02B33/04
CPC分类号： F02B19/12 , F02B25/16 , F02B33/04 , F02B2710/036
摘要： A two-stroke engine according to the present invention includes: a separating wall which confines a tip end portion of an ignition device; an ignition promoting chamber which is formed by means of the separating wall, is independent of a combustion chamber, and encloses the tip end portion of the ignition device; and a plurality of communicating holes which are provided in the separating wall, each of which is provided with a first opening that opens in the combustion chamber and a second opening that opens in the ignition promoting chamber, and which provide communication between the combustion chamber and the ignition promoting chamber.

7. 发明公开

US20230226679A1 Power Working Machine 审中-公开
公开(公告)号：US20230226679A1
公开(公告)日：2023-07-20
申请号：US18151511
申请日：2023-01-09
申请人： YAMABIKO CORPORATION
发明人： Hisato OSAWA
IPC分类号： B25F5/00 , H02K5/20 , H02K7/14 , H02K9/06 , H02K9/26
CPC分类号： B25F5/008 , H02K5/207 , H02K7/145 , H02K9/06 , H02K9/26 , B27B17/08
摘要： A power working machine comprises a working portion, a driving portion, a main body portion, and a blowing portion. The working portion is configured to act on a work object. The driving portion is configured to drive the working portion. The main body portion includes a bottom surface portion, an intake port, and an exhaust port, and is configured to form a storage space for storing the driving portion and an airflow path leading from the intake port to the exhaust port through the storage space. The blowing portion is configured to generate an airflow in the airflow path toward the exhaust port. The intake port is configured to open in a direction having a vertical downward component in a first state in which the power working machine is placed with the bottom surface portion facing a horizontal surface.

8. 发明公开

US20230151844A1 ROTARY BODY 审中-公开
公开(公告)号：US20230151844A1
公开(公告)日：2023-05-18
申请号：US17917050
申请日：2021-04-06
申请人： YAMABIKO CORPORATION
发明人： Kunimune KAWAMURA
IPC分类号： F16C3/22
CPC分类号： F16C3/22
摘要： The rotary body according to the present invention is made of resin and attached to a crankshaft. The rotary body has an outside plate element and an inside plate element which are attached to an outside surface and an inside surface of an arm portion of the crankshaft, respectively, and a pair of filler elements disposed between the outside plate element and the inside plate element and on both sides of the arm portion. The outside plate element and the pair of the filler elements are coupled to each other, and the pair of the filler elements and the inside plate element are coupled to each other.

9. 发明申请

US20230016087A1 TRIMMING MACHINE 有权
公开(公告)号：US20230016087A1
公开(公告)日：2023-01-19
申请号：US17866779
申请日：2022-07-18
申请人： YAMABIKO CORPORATION
发明人： Toru KONO , Kunio SHIMIZU , Hisao KODAMA
IPC分类号： A01G3/053
摘要： A trimming machine capable of releasing cutting edges from branches or the like, by reversing motor rotation without requiring additional operation (with normal operation) by a user, such as operating a forward-reverse switching lever, when blades are locked. The trimming machine includes: an electric motor; a blade drive gear rotationally driven by the electric motor; an eccentric cam provided in the gear; a pair of blades relatively slidably facing and contacting each other, which are reciprocated, by the eccentric cam, in relatively opposite directions along a longitudinal direction of the blades, thereby grinding cutting edges provided in a protruding manner with gaps therebetween in the pair of blades against each other; a trigger lever for driving the blades; and a control circuit (controller) that controls a rotational driving of the electric motor based on input from the trigger lever and switches a rotational direction of the electric motor at each time of the input from the trigger lever.

10. 发明申请

US20230003184A1 IGNITION COIL UNIT 有权
公开(公告)号：US20230003184A1
公开(公告)日：2023-01-05
申请号：US17501179
申请日：2021-10-14
申请人： YAMABIKO CORPORATION , Oppama Industry Co., Ltd.
发明人： TAKUO YOSHIZAKI , ATSUSHI HOSHINO , YUICHI TSUYUKI , KOUSUKE WATANABE
IPC分类号： F02P5/15 , F02P3/04 , H01F38/12
摘要： An ignition coil unit includes: an ignition circuit including a primary coil and a secondary coil; a power generator including a generator coil; a controller configured to control an ignition timing of the ignition circuit by an input signal generated by an induced voltage of the generator coil; and a sensor configured to input load information to the controller. The controller includes a memory configured to store working time information which corresponds to operating information based on the input information and the load information, as matrix data composed of the operating information, the load information and time data.

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