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).

  • Publication number: 20220152687
    Abstract: A reinforcing bar binding machine (1A) includes a magazine (2A) in which a wire (W) is housed, a curl guide unit (5A) that winds the wire (W) around a reinforcing bar (S), a wire feeding unit (3A) that feeds the wire (W), and a binding unit (7A) that twists crossing portions between one end and the other end of the wire (W) wound around the reinforcing bar (S). The wire feeding unit (3A) is configured such that a second displacement member (36) for displacing a second feed gear (30R) is located behind a second feed gear (30L) and provided between the second feed gear (30L) and a handle portion (11A).
    Type: Application
    Filed: February 7, 2022
    Publication date: May 19, 2022
    Applicant: MAX CO., LTD.
    Inventors: Osamu ITAGAKI, Akira Kasahara
  • Patent number: 11313140
    Abstract: It provides a reinforcing bar binding machine capable of surely wrapping and binding a wire to a binding object. The reinforcing bar binding machine (1A) includes a magazine (2A) in which two wires (W) are housed so as to be drawable, a curl guide unit (5A) which winds the arranged wires (W) around the reinforcing bar (S), by the operation of feeding the parallel wires (W) at the curl guide unit (5A) to wind around the reinforcing bar (S), a wire feeding unit (3A) which to wrap around the reinforcing bar (S) with the wires (W) wound around the reinforcing bar (S), and a binding unit (7A) which twists a intersecting portion between one end side and the other end side of the wire (W) wound around the reinforcing bar (S).
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: April 26, 2022
    Assignee: MAX CO., LTD.
    Inventors: Osamu Itagaki, Takeshi Morijiri, Tatsunori Sera, Takuya Chigira, Kazuhisa Takeuchi, Sadayoshi Takeuchi
  • Patent number: 11274458
    Abstract: A binding machine includes a first guide having an introduction part into which the wire to be fed by the wire feeding unit is to be introduced, and configured to curl the wire introduced from the introduction part, a second guide configured to guide the wire delivered from the first guide toward the binding unit, a main body part having one end portion at which the first guide and the second guide are provided, and, an entry regulation part provided in the main body part, provided at one side of the introduction part of the first guide at a downstream side of the binding unit with respect to a feeding direction of the wire to be fed toward the first guide by the wire feeding unit, and configured to prevent the wire from entering into one side of the introduction part of the first guide.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: March 15, 2022
    Assignee: MAX CO., LTD.
    Inventors: Osamu Itagaki, Takahiro Nagaoka
  • Patent number: 11267038
    Abstract: A reinforcing bar binding machine (1A) includes a magazine (2A) in which a wire (W) is housed, a curl guide unit (5A) that winds the wire (W) around a reinforcing bar (S), a wire feeding unit (3A) that feeds the wire (W), and a binding unit (7A) that twists crossing portions between one end and the other end of the wire (W) wound around the reinforcing bar (S). The wire feeding unit (3A) is configured such that a second displacement member (36) for displacing a second feed gear (30R) is located behind a second feed gear (30L) and provided between the second feed gear (30L) and a handle portion (11A).
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: March 8, 2022
    Assignee: MAX CO., LTD.
    Inventors: Osamu Itagaki, Akira Kasahara
  • Publication number: 20210387246
    Abstract: 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: Application
    Filed: August 27, 2021
    Publication date: December 16, 2021
    Applicant: MAX CO., LTD.
    Inventors: Akira KASAHARA, Osamu ITAGAKI, Ichiro KUSAKARI, Takeshi MORIJIRI
  • Patent number: 11123788
    Abstract: 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: Grant
    Filed: July 21, 2016
    Date of Patent: September 21, 2021
    Assignee: MAX CO., LTD.
    Inventors: Akira Kasahara, Osamu Itagaki, Ichiro Kusakari, Takeshi Morijiri
  • Publication number: 20210245904
    Abstract: 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: Application
    Filed: February 10, 2021
    Publication date: August 12, 2021
    Applicant: MAX CO., LTD.
    Inventors: Osamu ITAGAKI, Shinpei SUGIHARA, Kouichirou MORIMURA, Yusuke YOSHIDA, Ichiro KUSAKARI
  • Publication number: 20210245906
    Abstract: 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: Application
    Filed: February 10, 2021
    Publication date: August 12, 2021
    Inventors: Kouichirou MORIMURA, Yusuke YOSHIDA, Ichiro KUSAKARI, Osamu ITAGAKI, Shinpei SUGIHARA
  • Publication number: 20210189746
    Abstract: It provides a reinforcing bar binding machine which reduces restrictions on a moving direction of the reinforcing bar binding machine in an operation of pulling out a reinforcing bar bound with a wire. A reinforcing bar binding machine (1A) includes a curl guide unit (5A) that winds a wire (W) around a reinforcing bar (S), a wire feeding unit (3A) that feeds the wire (W), and a binding unit (7A) that twists crossing portions between one end and the other end of the wire (W) wound around the reinforcing bar (S).
    Type: Application
    Filed: March 5, 2021
    Publication date: June 24, 2021
    Applicant: MAX CO., LTD.
    Inventor: Osamu ITAGAKI
  • Publication number: 20210148127
    Abstract: 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: Application
    Filed: November 27, 2020
    Publication date: May 20, 2021
    Applicant: MAX CO., LTD.
    Inventor: Osamu ITAGAKI
  • Publication number: 20210138527
    Abstract: 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: Application
    Filed: December 23, 2020
    Publication date: May 13, 2021
    Applicant: MAX CO., LTD.
    Inventors: Osamu ITAGAKI, Akira KASAHARA, Takahiro NAGAOKA
  • Publication number: 20210114080
    Abstract: 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: Application
    Filed: December 23, 2020
    Publication date: April 22, 2021
    Applicant: MAX CO., LTD.
    Inventors: Osamu ITAGAKI, Akira KASAHARA, Takahiro NAGAOKA
  • Patent number: 10961729
    Abstract: A reinforcing bar binding machine reduces restrictions on a moving direction in pulling out from a reinforcing bar bound with a wire. The reinforcing bar binding machine (1A) includes a curl guide unit (5A) that winds a wire (W) around a reinforcing bar (S), a wire feeding unit (3A) that feeds the wire (W), and a binding unit. A first guide unit (50) curls the wire (W) fed by the feeding unit (3A) and a second guide unit (51) guides the wire (W) fed from the first guide unit (50) to the binding unit (7A). The second guide unit (51) includes a fixed guide unit (54) that restricts a position in a radial direction of the wire (W) wound around the reinforcing bar (S) and a movable guide unit (55) that restricts a position in an axial direction of the wire (W).
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: March 30, 2021
    Assignee: MAX CO., LTD.
    Inventor: Osamu Itagaki
  • Patent number: 10906086
    Abstract: 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: Grant
    Filed: July 21, 2016
    Date of Patent: February 2, 2021
    Assignee: MAX CO., LTD.
    Inventors: Osamu Itagaki, Akira Kasahara, Takahiro Nagaoka
  • Publication number: 20210010282
    Abstract: 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: Application
    Filed: September 25, 2020
    Publication date: January 14, 2021
    Applicant: MAX CO., LTD.
    Inventors: Osamu ITAGAKI, Akira KASAHARA, Norihiro NAGAI
  • Patent number: 10890002
    Abstract: A binding machine includes a feeding unit configured to feed a wire and pull back the wire after winding the wire around an object to be bound, a binding unit configured to grip and twist the wire wound around the object with the feeding unit, a motor configured to rotatively drive the feeding unit, and a binding machine main body configured to accommodate therein the binding unit and the motor. The motor is arranged such that at least a part of the motor overlaps the binding unit, as seen from a side of the binding machine main body.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: January 12, 2021
    Assignee: MAX CO., LTD.
    Inventors: Osamu Itagaki, Akira Kasahara
  • Patent number: 10883284
    Abstract: 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: Grant
    Filed: December 19, 2017
    Date of Patent: January 5, 2021
    Assignee: MAX CO., LTD.
    Inventor: Osamu Itagaki
  • Publication number: 20200399915
    Abstract: 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: Application
    Filed: July 1, 2020
    Publication date: December 24, 2020
    Applicant: MAX CO., LTD.
    Inventor: Osamu ITAGAKI
  • Publication number: 20200378140
    Abstract: It provides a reinforcing bar binding machine capable of surely wrapping and binding a wire to a binding object. The reinforcing bar binding machine (1A) includes a magazine (2A) in which two wires (W) are housed so as to be drawable, a curl guide unit (5A) which winds the arranged wires (W) around the reinforcing bar (S), by the operation of feeding the parallel wires (W) at the curl guide unit (5A) to wind around the reinforcing bar (S), a wire feeding unit (3A) which to wrap around the reinforcing bar (S) with the wires (W) wound around the reinforcing bar (S), and a binding unit (7A) which twists a intersecting portion between one end side and the other end side of the wire (W) wound around the reinforcing bar (S).
    Type: Application
    Filed: August 20, 2020
    Publication date: December 3, 2020
    Applicant: MAX CO., LTD.
    Inventors: Osamu ITAGAKI, Takeshi MORIJIRI, Tatsunori SERA, Takuya CHIGIRA, Kazuhisa TAKEUCHI, Sadayoshi TAKEUCHI
  • Patent number: 10851551
    Abstract: 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: Grant
    Filed: December 19, 2017
    Date of Patent: December 1, 2020
    Assignee: MAX CO., LTD.
    Inventors: Osamu Itagaki, Akira Kasahara, Norihiro Nagai