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公开(公告)号：US20190224832A1
公开(公告)日：2019-07-25
申请号：US16251302
申请日：2019-01-18
Applicant: MAX CO., LTD.
Inventor： Eiichi WATANABE , Mitsuhiro KIMURA , Takashi YUKI , Yu YAMAMOTO
Abstract: A driving tool includes a striking cylinder including a piston configured to be actuated by a combustion pressure of a mixed gas of compressed oxidant and fuel, a combustion chamber in which the mixed gas of compressed oxidant and fuel is to be combusted; a valve member configured to open and close communication between the striking cylinder and the combustion chamber, and a striking cylinder exhaust valve configured to open and close communication between the striking cylinder and an outside.
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公开(公告)号：US20190224829A1
公开(公告)日：2019-07-25
申请号：US16251250
申请日：2019-01-18
Applicant: MAX CO., LTD.
Inventor： Yu YAMAMOTO , Takashi YUKI , Eiichi WATANABE , Mitsuhiro KIMURA
Abstract: A driving tool includes a striking cylinder comprising a piston configured to be actuated by a combustion pressure of a mixed gas of compressed oxidant and fuel, a combustion chamber in which the mixed gas of compressed oxidant and fuel is to be combusted, an oxidant supply port for supplying the compressed oxidant into the combustion chamber, a fuel supply port for supplying the fuel into the combustion chamber, and a check valve provided to at least one of the oxidant supply port and the fuel supply port.
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公开(公告)号：US20190224826A1
公开(公告)日：2019-07-25
申请号：US16251187
申请日：2019-01-18
Applicant: MAX CO., LTD.
Inventor： Yu YAMAMOTO , Takashi YUKI , Eiichi WATANABE , Mitsuhiro KIMURA
Abstract: A gas combustion type driving tool includes an output unit, a grip, a fuel container storage unit, a battery mounting unit and a coupler. The output unit includes a combustion chamber. The grip is connected to a lower surface of the output unit. A fuel container is detachably attached to the fuel container storage unit. A battery pack is detachably attached to the battery mounting unit. The coupler is configured to take air in. The fastener is driven out by combustion pressure when mixed gas of combustible gas supplied from the fuel container and compressed air supplied from outside via the coupler is ignited. The coupler is disposed on a lower end side of the grip. The gas combustion type driving tool includes a pipe configured to connect the coupler and the combustion chamber.
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公开(公告)号：US20210154818A1
公开(公告)日：2021-05-27
申请号：US17166043
申请日：2021-02-03
Applicant: MAX CO., LTD.
Inventor： Eiichi WATANABE , Takashi YUKI , Yu YAMAMOTO , Mitsuhiro KIMURA
Abstract: A driving tool includes a striking mechanism configured to be actuated by a combustion pressure of a mixed gas of compressed air and fuel, a combustion chamber in which the mixed gas of compressed air and fuel is to be combusted, a valve member configured to open and close communication between the striking mechanism and the combustion chamber, and a valve support member configured to support the valve member. The valve member has a seal part provided on an outer peripheral surface along a moving direction of the valve member.
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Patent Agency Ranking
公开(公告)号：US20190224827A1
公开(公告)日：2019-07-25
申请号：US16251202
申请日：2019-01-18
Applicant: MAX CO., LTD.
Inventor： Yu YAMAMOTO , Takashi YUKI , Eiichi WATANABE , Mitsuhiro KIMURA
Abstract: A gas combustion type driving tool drives a fastener by combustion pressure when mixed gas of combustible gas and compressed air in a combustion chamber is ignited. The gas combustion type driving tool includes an air ejection valve, and a gas ejection valve. The air ejection valve is configured to eject compressed air into the combustion chamber. The gas ejection valve is configured to eject combustible gas into the combustion chamber. Output related to driving of a fastener is adjustable by adjusting at least one of filling pressure of compressed air or filling pressure of combustible gas.
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公开(公告)号：US20230220865A1
公开(公告)日：2023-07-13
申请号：US18094641
申请日：2023-01-09
Applicant: MAX CO., LTD.
Inventor： Eiichi WATANABE , Ryuta KURASAWA
Abstract: A screw nail includes a nail shaft portion extending along one direction, and a head portion whose diameter is enlarged along other direction orthogonal to an extension direction. A sharp tip end portion is formed on one end side of the nail shaft portion, and the head portion is formed at an end portion on the other end side. The nail shaft portion is formed with a screw thread, and the head portion is formed with an engaging portion capable of engaging with a rotary tool. A convex portion protruding along an axis direction of the nail shaft portion is formed on an end surface of the head portion. A concave portion that is concave with respect to the convex portion is formed between the convex portion and the engaging portion. A virtual plane specified by vertexes of the convex portion is a plane orthogonal to the axis direction.
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公开(公告)号：US20190224833A1
公开(公告)日：2019-07-25
申请号：US16251321
申请日：2019-01-18
Applicant: MAX CO., LTD.
Inventor： Eiichi WATANABE , Mitsuhiro KIMURA , Takashi YUKI , Yu YAMAMOTO
Abstract: A driving tool includes a striking cylinder including a piston configured to be actuated by a combustion pressure of a mixed gas of compressed oxidant and fuel, a combustion chamber in which the mixed gas of compressed oxidant and fuel is to be combusted, and an exhaust valve configured to be actuated by change in pressure in the striking cylinder from actuation of the piston.
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公开(公告)号：US20190224831A1
公开(公告)日：2019-07-25
申请号：US16251282
申请日：2019-01-18
Applicant: MAX CO., LTD.
Inventor： Yu YAMAMOTO , Takashi YUKI , Mitsuhiro KIMURA , Yasunori TAKAHASHI , Shuhei KURITA , Eiichi WATANABE
Abstract: A driving tool includes a combustion chamber, a cylinder, a valve and a control unit. Fuel and compressed air are supplied into the combustion chamber. The cylinder is configured to movably store a piston which is driven by combustion pressure at a time of igniting a mixture of the fuel and the compressed air filled in the combustion chamber. The valve is configured to open and close a passage through which the compressed air is supplied into the combustion chamber. The control unit is configured to control the valve to supply the compressed air into the combustion chamber when the control unit determines that a return of the piston is completed.
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公开(公告)号：US20190224828A1
公开(公告)日：2019-07-25
申请号：US16251222
申请日：2019-01-18
Applicant: MAX CO., LTD.
Inventor： Eiichi WATANABE , Takashi YUKI , Yu YAMAMOTO , Mitsuhiro KIMURA
Abstract: A driving tool includes a striking mechanism configured to be actuated by a combustion pressure of a mixed gas of compressed air and fuel, a combustion chamber in which the mixed gas of compressed air and fuel is to be combusted, a valve member configured to open and close communication between the striking mechanism and the combustion chamber, and a valve support member configured to support the valve member. The valve member has a seal part provided on an outer peripheral surface along a moving direction of the valve member.
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