Patents by Inventor Osamu Itagaki
Osamu Itagaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11958100Abstract: The wire fed or pulled back from the reel by the feeding unit can be properly restricted. The invention relates to a binding machine (2) having a feeding unit (16) for feeding out a wire (3) from a reel (12) provided in a housing unit (11). With respect to the entering route (81) of the wire (3) when the wire (3) drawn out from the reel (12) by the feeding unit (16) is guided to the feeding unit (83), the first restriction unit (83) that restricts the drawing portion (3a) of the wire (3) disposed between the reel (12) and the feeding unit (16) from being deviating from the entering route (81) is provided inside the housing unit (11).Type: GrantFiled: August 27, 2021Date of Patent: April 16, 2024Assignee: Max Co., Ltd.Inventors: Akira Kasahara, Osamu Itagaki, Ichiro Kusakari, Takeshi Morijiri
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Patent number: 11952154Abstract: A binding machine includes: a wire feeding unit; a curl forming unit; a butting part; a cutting unit; and a binding unit. The binding unit includes: a rotary shaft; a wire engaging body configured to move in an axis direction of the rotary shaft and to engage the wire in a first operation area in the axis direction, and to move in the axis direction and to twist the wire in a second operation area in the axis direction; a rotation regulation part; and a tension applying part configured to perform, in the second operation area, an operation of applying tension on the wire engaged by the wire engaging body in the first operation area. The tension applied to the wire is equal to or larger than 10% and equal to or smaller than 50% with respect to a maximum tensile load of the wire.Type: GrantFiled: February 10, 2021Date of Patent: April 9, 2024Assignee: MAX CO., LTD.Inventors: Kouichirou Morimura, Yusuke Yoshida, Ichiro Kusakari, Osamu Itagaki, Shinpei Sugihara
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Patent number: 11946267Abstract: A binding machine includes a wire feeding unit configured to feed a wire, a curl guide configured to curl the wire fed by the wire feeding unit around an object to be bound, a binding unit including a twisting shaft provided to be rotatable around a predetermined axis, and a gripping part provided at one end side of the twisting shaft, wherein the gripping part is configured to grip the wire curled by the curl guide and the twisting shaft is configured to twist the gripped wire so as to bind the object, a binding machine main body having one end side at which the curl guide is arranged and configured to accommodate therein the wire feeding unit and the binding unit, and a setting unit provided at an opposite end side of the binding machine main body and configured to set a predetermined operation condition.Type: GrantFiled: September 25, 2020Date of Patent: April 2, 2024Assignee: Max Co., Ltd.Inventors: Osamu Itagaki, Akira Kasahara, Norihiro Nagai
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Publication number: 20240075516Abstract: A binding machine includes a magazine including an accommodation part configured to accommodate a reel, and a lid part configured to cover the accommodation part to be openable and closable, a wire feeding unit configured to feed the wire in a forward direction in which the wire is pulled out from the magazine and in a reverse direction in which the wire is pulled back to the magazine, a curl forming unit configured to form a path along which the wire fed in the forward direction is to be wound around an object, a binding unit configured to twist the wire fed in the reverse direction and wound on the object, and a plurality of regulating portions configured to regulate opening of the lid part from a closed state in which the accommodation part is closed by the lid.Type: ApplicationFiled: August 28, 2023Publication date: March 7, 2024Applicant: MAX CO., LTD.Inventors: Takeshi MORIJIRI, Osamu ITAGAKI, Shinpei SUGIHARA
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Patent number: 11858670Abstract: A binding machine includes: a wire feeding unit configured to feed a wire; a curl forming unit configured to form a path along which the wire fed by the wire feeding unit is to be wound around a to-be-bound object; a butting part against which the to-be-bound object is to be butted; a cutting unit configured to cut the wire wound on the to-be-bound object; a binding unit configured to twist the wire wound on the to-be-bound object and cut by the cutting unit; and a tension applying part configured to apply tension to the wire to be cut at the cutting unit with a force higher than a force applied in a loosening direction of the wire wound on the to-be-bound object.Type: GrantFiled: February 10, 2021Date of Patent: January 2, 2024Assignee: MAX CO., LTD.Inventors: Osamu Itagaki, Shinpei Sugihara, Kouichirou Morimura, Yusuke Yoshida, Ichiro Kusakari
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Patent number: 11859396Abstract: A binding machine includes a wire feeding unit configured to feed a wire to be wound on an object to be bound, a cutting unit configured to cut the wire wound on the object to be bound, and a binding unit configured to twist the wire wound on the object to be bound. The cutting unit includes a pair of blade parts configured to interpose the wire therebetween and cut the wire. One or both of the pair of blade parts include a delay part which is configured to delay cutting a part of the wire as compared to a remaining part of the wire.Type: GrantFiled: November 27, 2020Date of Patent: January 2, 2024Assignee: Max Co., Ltd.Inventor: Osamu Itagaki
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Publication number: 20230406557Abstract: A binding machine includes: a wire feeding unit configured to feed a wire; a curl forming unit configured to form a path along which the wire fed by the wire feeding unit is to be wound around a to-be-bound object; a butting part against which the to-be-bound object is to be butted; a cutting unit configured to cut the wire wound on the to-be-bound object; a binding unit configured to twist the wire wound on the to-be-bound object and cut by the cutting unit; and a tension applying part configured to apply tension to the wire to be cut at the cutting unit with a force higher than a force applied in a loosening direction of the wire wound on the to-be-bound object.Type: ApplicationFiled: August 23, 2023Publication date: December 21, 2023Applicant: MAX CO., LTD.Inventors: Osamu ITAGAKI, Shinpei SUGIHARA, Kouichirou MORIMURA, Yusuke YOSHIDA, Ichiro KUSAKARI
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Patent number: 11795710Abstract: A binding machine includes a wire feeding unit which feeds a wire, a curl guide which curls the fed wire around an object to be bound, a binding unit including a twisting shaft provided to be rotatable around an axis, a gripping part provided at one end of the twisting shaft and a drive unit provided to the other end of the twisting shaft, a control unit which controls the drive unit, and a binding machine main body which accommodates therein the binding unit and the control unit. When an inside of the binding machine main body is divided by a virtual plane perpendicular to the axis to be partitioned into a first space in which the gripping part is accommodated and a second space in which the drive unit is accommodated, the control unit is arranged in the second space in which the drive unit is accommodated.Type: GrantFiled: July 1, 2020Date of Patent: October 24, 2023Assignee: MAX CO., LTD.Inventor: Osamu Itagaki
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Patent number: 11787582Abstract: A binding machine includes a wire feeding unit, a binding unit configured to rotate while locking the wire wound around the reinforcing bars, whereby to twist the wire, a curl guide configured to curl the fed wire, a leading guide configured to lead the curled wire to the binding unit, and a contact switch unit configured to be activated with the reinforcing bars abutting against the contact switch unit, in which the contact switch unit includes an abutting portion against which the reinforcing bars abut, and the abutting portion is provided between the curl guide and the leading guide and is provided on at least one side relative to an axis of rotation operation of the binding unit in a direction perpendicular to both a direction in which the curl guide and the leading guide are arranged.Type: GrantFiled: July 26, 2022Date of Patent: October 17, 2023Assignee: MAX CO., LTD.Inventor: Osamu Itagaki
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Publication number: 20230327526Abstract: There is provided an electric power tool including: a first electric motor and a second electric motor; a first controller configured to control the first electric motor and the second electric motor; a first circuit board on which the first controller is mounted; a communication device; a second controller configured to control the communication device; a second circuit board on which the second controller and an antenna of the communication device are mounted; and a housing configured to accommodate the first electric motor, the second electric motor, the first circuit board, the communication device, and the second circuit board. The first circuit board and the second circuit board are disposed around the first electric motor.Type: ApplicationFiled: April 7, 2023Publication date: October 12, 2023Applicant: MAX CO., LTD.Inventor: Osamu ITAGAKI
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Patent number: 11779998Abstract: It provides a reinforcing bar binding machine that allows binding objects such as reinforcing bars to be bound by wires with end portions of the wires directed to the binding object side. The reinforcing bar binding machine (1A) includes: a magazine (2A) in which two wires (W) are housed in a drawable manner; a curl guide unit (5A) that winds the juxtaposed wires (W) around the reinforcing bars (S); a wire feeding unit (3A) that winds the wires (W) around the reinforcing bars (S) with the curl guide unit (5A) in an operation of juxtaposing and feeding the wires (W) and winds the wires (W), which is wound around the reinforcing bars (S), around the reinforcing bars (S); and a binding unit (7A) that twists crossing portions of one end side and the other end side of each of the wires (W) wound around the reinforcing bars (S).Type: GrantFiled: December 23, 2020Date of Patent: October 10, 2023Assignee: MAX CO., LTD.Inventors: Osamu Itagaki, Akira Kasahara, Takahiro Nagaoka
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Patent number: 11779997Abstract: A reinforcing bar binding machine includes a magazine in which two wires are housed in a drawable manner; a curl guide unit that winds the juxtaposed wires around the reinforcing bars and a wire feeding unit that winds the wires around the reinforcing bars with the curl guide unit in an operation of juxtaposing and feeding the wires so that the wires are wound around the reinforcing bars. In addition, the binding machine includes a binding unit that twists crossing portions of one end side and the other end side of each of the wires wound around the reinforcing bars. The binding unit further includes a bending portion that bends the one end side and the other end side of each of the wires, which are wound around the reinforcing bars, toward the reinforcing bars.Type: GrantFiled: December 23, 2020Date of Patent: October 10, 2023Assignee: MAX CO., LTD.Inventors: Osamu Itagaki, Akira Kasahara, Takahiro Nagaoka
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Patent number: 11780621Abstract: A reinforcing bar binding machine is provided with a feed means for feeding a wire from a wire reel rotatably mounted on a binding machine body, a braking means for braking a rotation of the wire reel, and a control means that starts a braking to the rotation of the wire reel by the braking means after the wire is fed to a predetermined amount by the feed means.Type: GrantFiled: September 9, 2019Date of Patent: October 10, 2023Assignee: MAX CO., LTD.Inventor: Osamu Itagaki
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Publication number: 20230123279Abstract: A binding machine includes a wire feeding unit that feeds a wire, a curl forming unit that forms a path along which the wire fed by the wire feeding unit is to be wound around an object, a cutting unit that cuts the wire wound on the object, a binding unit that twists the wire wound on the object and cut by the cutting unit, and a drive unit that drives the binding unit. The drive unit includes a motor and a decelerator that perform deceleration and amplification of torque. The decelerator includes a sun gear, a planetary gear in mesh with the sun gear, a planet cage that supports the planetary gear, and an internal gear in mesh with the planetary gear. The planet cage is rotatably supported on one side and the other side along an axis direction.Type: ApplicationFiled: October 12, 2022Publication date: April 20, 2023Applicant: MAX CO., LTD.Inventors: Osamu ITAGAKI, Nobutaka TASHIMA
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Publication number: 20230121520Abstract: A binding machine including a magazine in which a reel having a wire wound thereon is accommodated, a wire feeding unit configured to feed the wire pulled out from the reel accommodated in the magazine, a curl forming unit configured to form a path along which the wire fed by the wire feeding unit is to be wound around an object, a cutting unit configured to cut the wire wound on the object, and a binding unit configured to twist the wire wound on the object and cut by the cutting unit. The magazine comprises, between an accommodation position of the reel and a feeding path of the wire, a partition configured to separate the accommodation position of the reel and the feeding path of the wire.Type: ApplicationFiled: October 13, 2022Publication date: April 20, 2023Applicant: MAX CO., LTD.Inventors: Takeshi MORIJIRI, Nobutaka TASHIMA, Osamu ITAGAKI, Shinpei SUGIHARA
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Publication number: 20230118858Abstract: A binding machine includes a wire feeding unit, a curl forming unit, a cutting unit, a binding unit, and a transmission unit that transmits movement of the binding unit to the cutting unit. The binding unit includes a locking member that locks a wire, a sleeve that actuates the locking member, and a rotary shaft that actuates the sleeve. The transmission unit includes a displacement member to be displaced by movement of the sleeve, and a transmission member that transmits movement of the displacement member to the cutting unit. The cutting unit includes a movable blade part connected to the transmission member. The displacement member switches an amount of movement of the movable blade part and a force that can be generated by the movable blade part, within a moving range of the movable blade part.Type: ApplicationFiled: October 13, 2022Publication date: April 20, 2023Applicant: MAX CO., LTD.Inventors: Osamu Itagaki, Shinpei Sugihara
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Publication number: 20230030329Abstract: A binding machine includes a wire feeding unit, a binding unit configured to rotate while locking the wire wound around the reinforcing bars, whereby to twist the wire, a curl guide configured to curl the fed wire, a leading guide configured to lead the curled wire to the binding unit, and a contact switch unit configured to be activated with the reinforcing bars abutting against the contact switch unit, in which the contact switch unit includes an abutting portion against which the reinforcing bars abut, and the abutting portion is provided between the curl guide and the leading guide and is provided on at least one side relative to an axis of rotation operation of the binding unit in a direction perpendicular to both a direction in which the curl guide and the leading guide are arranged.Type: ApplicationFiled: July 26, 2022Publication date: February 2, 2023Applicant: MAX CO., LTD.Inventor: Osamu ITAGAKI
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Publication number: 20220316223Abstract: A binding machine includes a wire feeding unit, a curl forming unit, a cutting unit, and a binding unit. The wire feeding unit includes a feeding member having a part that is in contact with the wire and configured to feed the wire with being displaced along a feeding direction of the wire. An amount of contact between the feeding member and the wire is switched in accordance with the feeding direction of the wire. As compared to the amount of contact in an operation of feeding the wire in one direction, the amount of contact in an operation of feeding the wire in other direction, which is opposite to the one direction, is made larger.Type: ApplicationFiled: March 29, 2022Publication date: October 6, 2022Applicant: MAX CO., LTD.Inventors: Osamu Itagaki, Shinpei Sugihara
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Patent number: 11428020Abstract: A binding machine includes a wire feeding unit configured to feed a wire to be wound on an object to be bound and a binding unit configured to twist the wire wound on the object to be bound. The wire feeding unit includes a pair of feeding members configured to sandwich the wire between the pair of feeding members and to feed the wire by a rotating operation, a wire feeding drive unit connected to one feeding member and configured to rotatively drive the one feeding member, and a load reducing part configured to reduce or remove a load, which is to be applied to the wire via the one feeding member, of the wire feeding drive unit.Type: GrantFiled: April 26, 2019Date of Patent: August 30, 2022Assignee: MAX CO., LTD.Inventor: Osamu Itagaki
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Publication number: 20220220755Abstract: It provides a reinforcing bar binding machine capable of surely wrapping and binding a wire to a binding object. The reinforcing bar binding machine includes a magazine in which two wires are housed so as to be drawable, a curl guide unit which winds the arranged wires around the reinforcing bar, by the operation of feeding the parallel wires at the curl guide unit to wind around the reinforcing bar, a wire feeding unit which to wrap around the reinforcing bar with the wires wound around the reinforcing bar, and a binding unit which twists a intersecting portion between one end side and the other end side of the wire wound around the reinforcing bar.Type: ApplicationFiled: April 1, 2022Publication date: July 14, 2022Applicant: MAX CO., LTD.Inventors: Osamu ITAGAKI, Takeshi MORIJIRI, Tatsunori SERA, Takuya CHIGIRA, Kazuhisa TAKEUCHI, Sadayoshi TAKEUCHI