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公开(公告)号：US10470368B2
公开(公告)日：2019-11-12
申请号：US15168109
申请日：2016-05-30
申请人： Weijun Li , Genfa Mao , Shijun Zhu
发明人： Weijun Li , Genfa Mao , Shijun Zhu
摘要： A multi-functional garden implement comprises an underframe connected with a supporting shaft. A pushing handle is fixedly connected to the underframe, and wheels are connected with the supporting shaft. The multi-functional garden implement further comprises a rotating bracket, which is connected to a power source. A working head is connected to the power source. The rotating bracket is rotatably connected to the underframe and capable of driving the working head to swing to both sides back and forth. Between the underframe and the rotating bracket, there is also a locating mechanism which can secure the rotating bracket onto the underframe. The multi-functional garden implement is capable of adjusting the position of the working head, so as to meet various requirements for the working conditions of gardening work.
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公开(公告)号：US20170225539A1
公开(公告)日：2017-08-10
申请号：US15166259
申请日：2016-05-27
申请人： Zhuo Cai , Weicai Jiang , Genfa Mao
发明人： Zhuo Cai , Weicai Jiang , Genfa Mao
CPC分类号： B60H1/00585 , F16L15/003 , F16L29/02 , F25B45/00
摘要： The present Freon refilling apparatus for vehicles comprises a tube fitting and a refilling duct. The tube fitting is connected to the refilling duct. The lower end of the tube fitting has a connection port to connect with gas cylinders. A pushrod is movably inserted into the tube fitting in its axial direction. Between the tube fitting and the upper end of the pushrod, there is an operating mechanism which can push the pushrod down to the lower end of the tube fitting. When the pushrod moves downwards, its lower end can make the gas cylinder connected to the tube fitting. The present Freon refilling apparatus for vehicles is applicable to different types of gas cylinders storing Freon. This provides a more convenient way to refill Freon for automobile air conditioners, with a lower cost.
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公开(公告)号：US20170223894A1
公开(公告)日：2017-08-10
申请号：US15168111
申请日：2016-05-30
申请人： Weijun Li , Genfa Mao , Shijun Zhu
发明人： Weijun Li , Genfa Mao , Shijun Zhu
CPC分类号： A01D42/04 , A01B33/00 , A01B33/028 , A01B51/00 , A01D34/84 , A01D42/00 , A01D2101/00
摘要： A multi-functional garden implement comprises an underframe, and a power motor is secured to the underframe. The multi-functional garden implement also comprises an adapting tube, inside which a transmitting shaft is rotatably connected. One end of the transmitting shaft connects to a working head. A locking sleeve is secured to the underframe, and the end of the adapting tube movably inserts into the locking sleeve. There is a locking piece designed on the locking sleeve, which allows the locking sleeve to clamp the adapting tube and secure the adapting tube onto the locking sleeve. The present multi-functional garden implement can replace the working head quickly, so that it has functions of cutting, micro tilling, etc.
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公开(公告)号：US10117382B2
公开(公告)日：2018-11-06
申请号：US15168111
申请日：2016-05-30
申请人： Weijun Li , Genfa Mao , Shijun Zhu
发明人： Weijun Li , Genfa Mao , Shijun Zhu
摘要： A multi-functional garden implement comprises an underframe, and a power motor is secured to the underframe. The multi-functional garden implement also comprises an adapting tube, inside which a transmitting shaft is rotatably connected. One end of the transmitting shaft connects to a working head. A locking sleeve is secured to the underframe, and the end of the adapting tube movably inserts into the locking sleeve. There is a locking piece designed on the locking sleeve, which allows the locking sleeve to clamp the adapting tube and secure the adapting tube onto the locking sleeve. The present multi-functional garden implement can replace the working head quickly, so that it has functions of cutting, micro tilling, etc.
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公开(公告)号：US20170227269A1
公开(公告)日：2017-08-10
申请号：US15140491
申请日：2016-04-28
申请人： Zhuo Cai , Weicai Jiang , Genfa Mao
发明人： Zhuo Cai , Weicai Jiang , Genfa Mao
IPC分类号： F25B45/00
CPC分类号： F25B45/00 , F25B2345/001
摘要： A Freon refilling apparatus for vehicles comprises an outer shell and a tube fitting. The tube fitting is secured to a refilling duct, and one end of the tube fitting has a connection port. The apparatus also comprises an operating handle and a pushrod. One end of the operating handle is hinged to the tube fitting, and the other end is a press part. When the press part swings and gets close to the tube fitting, it drives the pushrod to move and open the gas cylinder. A confining plate is also hinged to the press part. The confining plate has an active contact part, while the outer shell has a passive contact part. The active contact part can lean against the passive contact part. The operating handle is locked when that happens.
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公开(公告)号：US20170223893A1
公开(公告)日：2017-08-10
申请号：US15168109
申请日：2016-05-30
申请人： Weijun Li , Genfa Mao , Shijun Zhu
发明人： Weijun Li , Genfa Mao , Shijun Zhu
CPC分类号： A01D42/04 , A01B33/028 , A01B51/00 , A01D34/84
摘要： A multi-functional garden implement comprises an underframe connected with a supporting shaft. A pushing handle is fixedly connected to the underframe, and wheels are connected with the supporting shaft. The multi-functional garden implement further comprises a rotating bracket, which is connected to a power source. A working head is connected to the power source. The rotating bracket is rotatably connected to the underframe and capable of driving the working head to swing to both sides back and forth. Between the underframe and the rotating bracket, there is also a locating mechanism which can secure the rotating bracket onto the underframe. The present multi-functional garden implement is capable of adjusting the position of the working head, so as to meet various requirements for the working conditions of gardening work.
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