Patents Assigned to Itoh Denki Co., Ltd.
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Patent number: 11760575Abstract: A conveyance device and a planar conveyance apparatus capable of carrying out an article in any direction. The conveyance device includes an energizing mechanism unit configured to energize and move an article and a rotation mechanism unit configured to rotate the energizing mechanism unit itself, and is capable of changing a moving direction of the article by rotating the energizing mechanism unit with the rotation mechanism unit. The energizing mechanism unit includes an energizing mechanism side motor, and the energizing mechanism side motor includes a coil on a center side and an outer body surrounding the coil, and is an outer rotor type motor in which the outer body rotates. The energizing mechanism side motor is disposed such that a central shaft of the outer body is in a substantially horizontal posture, and the outer body energizes the article by coming into contact with the article directly or through a freely-rotating rotor interposed therebetween.Type: GrantFiled: January 26, 2021Date of Patent: September 19, 2023Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Hideo Naiki, Kentarou Iwasawa
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Patent number: 11365064Abstract: An object of the present invention is to develop a device and a method by which cargo handling is automatically performed to eliminate overlaps among articles. When loaded with a plurality of articles M, a cargo handling device eliminates overlaps among the articles M. The cargo handling device has an article placement surface on which the articles M are placed. The cargo handling device performs a cargo handling operation that turns and/or rotates the articles M on the article placement surface to eliminate the overlaps among the articles M.Type: GrantFiled: December 27, 2018Date of Patent: June 21, 2022Assignee: ITOH DENKI CO., LTD.Inventors: Toshiyuki Tachibana, Masayuki Shimoda
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Patent number: 11273986Abstract: A conveyance roller 3 including a support shaft 31, a main rotating portion 34, and a sub rotating portion 35, and a driving body 50 that is in contact with the main rotating portion 34 and the sub rotating portion 35 and that supplies a rotational force to the main rotating portion 34 and the sub rotating portion 35 are provided, wherein the main rotating portion 34 and the sub rotating portion 35 are attached along the support shaft 31 and are rotatable independently of each other around the support shaft 31, the sub rotating portion 35 is not configured to contact an object to be conveyed but the main rotating portion 34 is configured to contact the object to be conveyed and bias the object to be conveyed, the driving body 50 is rotated by power around a rotation shaft 51 in a direction intersecting with the support shaft 31, the support shaft 31 is configured to change an orientation of the support shaft 31 by rotating around the rotation shaft 51, and the driving body 50 is in contact with the main rotatType: GrantFiled: October 29, 2020Date of Patent: March 15, 2022Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Koji Ueda, Takuya Nagasawa
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Patent number: 11097899Abstract: An objective is to develop a conveyor device capable of conveying a conveyance object in a plurality of directions. The conveyor device includes a roller portion (rotating body) 30 and a driving body 50. The rotating body 30 is rotatable around at least a first rotation axis 60, and the rotating body is rotatable around a second rotation axis 61 in a direction intersecting with the first rotation axis 60, and changes an attitude by rotating to change a direction of the first rotation axis 60. The driving body 50 is rotated by power around a third rotation axis 62, and the third rotation axis 62 extends in a direction intersecting with the first rotation axis 60. The driving body 50 is in contact with the rotating body at a position eccentric to one end in the direction of the first rotation axis 60 relative to the second rotation axis 61 regardless of attitude-changing of the rotating body.Type: GrantFiled: February 25, 2019Date of Patent: August 24, 2021Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Takahiro Itoh
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Patent number: 10853600Abstract: A code reading device including: an article placement surface on which an article is placed; at least one code reading unit that optically reads a code attached to the article; and a motion unit that causes the article to swivel and/or rotate on the article placement surface, the code reading device being configured to read the code with the code reading unit while causing the article to swivel and/or rotate on the article placement surface.Type: GrantFiled: October 19, 2018Date of Patent: December 1, 2020Assignee: Itoh Denki Co. Ltd.Inventors: Toshiyuki Tachibana, Yoshiyuki Kujihashi, Hirotaka Yamakaze
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Patent number: 10766714Abstract: A lifting device 1 includes an upper station 2, a lower station 3, and lifting and lowering placing tables 10 and 11. The upper station 2 and the lower station 3 have horizontal placing tables 5 and 6, respectively. The horizontal placing tables 5 and 6 move only in the horizontal direction. The lifting and lowering placing tables 10 and 11 move only in the vertical direction. When any of the lifting and lowering placing tables 10 and 11 is in the upper station 2, the upper side horizontal placing table 5 is at a position adjacent to the lifting and lowering placing tables 10 and 11 to form a series of conveying passages. When the lifting and lowering placing tables 10 and 11 move away from the upper station 2, the upper side horizontal placing table 5 moves to a position where the lifting and lowering placing tables 10 and 11 used to exist.Type: GrantFiled: June 22, 2017Date of Patent: September 8, 2020Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Takuya Nagasawa
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Patent number: 10597237Abstract: The lifting and lowering apparatus includes a plurality of shelf members 6 and 7 and a lifting and lowering mechanism 8. The shelf members 6 and 7 respectively include placing tables A and B positioned on different heights, and each placing table is provided with a conveying unit 10. The shelf members 6 and 7 are lifted and lowered by the lifting and lowering mechanism 8, whereby the placing table A (B) of the shelf member 6 (7) which is one of the shelf members 6 and 7 is adjusted to be on the same height as the placing table B (A) of the other shelf member 7 (6), and with this state, an object is transferred from the placing table of one of the shelf members to the placing table of the other shelf member.Type: GrantFiled: September 28, 2018Date of Patent: March 24, 2020Assignee: ITOH DENKI CO., LTD.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Koji Takahashi
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Patent number: 10577189Abstract: A conveyance device capable of performing traveling operation and turning operation, a planar conveyance apparatus, and a conveyance unit. A conveyance device 1 has a travel part 5 having a belt 2 for allowing an article to be placed, and a turning table 6 that supports the travel part 5. The belt 2 is an endless member suspended between a pair of rollers 3. The belt 2 travels by being engaged with a driving body 4 to which power of a motor for traveling 9 is transmitted by a drive shaft 14. Power of a motor for turning 8 is transmitted to the turning table 6, so that the turning table 6 turns. That is, when the motor for turning 8 is driven, the travel part 5 turns along with the turning table 6.Type: GrantFiled: June 24, 2016Date of Patent: March 3, 2020Assignee: ITOH DENKI CO., LTD.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Kazuwo Miki
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Patent number: 10518975Abstract: An object of the present invention is to develop a conveying device capable of carrying out an object in multiple directions. The conveying device includes a plurality of conveying cells 1 that move the object, and the plurality of conveying cells 1 are arranged in plane. The conveying cell 1 includes a conveying direction changing unit that changes a conveying direction and a controller. An address is given to the conveying cell 1, and based on a conveying destination of the object carried in the conveying cell 1 and an own address of the conveying cell 1, the controller determines a carrying-out direction of the conveying cell 1 such that the object approaches the conveying destination.Type: GrantFiled: May 17, 2017Date of Patent: December 31, 2019Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Toshiyuki Tachibana, Yoshiyuki Kujihashi, Masayuki Shimoda
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Patent number: 10486902Abstract: Provided is an article storage apparatus capable of effectively utilizing the capacity of a building. The article storage apparatus includes an article moving device 3. The article moving device 3 includes an X-direction travel wheel 38, a Y-direction travel wheel 48, a travel wheel lifting and lowering unit that lifts and lowers the travel wheels, and an article lifting and lowering unit that lifts and lowers an article. It is possible to lower the X-direction travel wheel 38 or the Y-direction travel wheel 48 so as to be set down on a travel passage by the travel wheel lifting and lowering unit and rotate the set-down travel wheel to cause the article moving device to travel in an X direction or a Y direction. It is possible to lift the article lifting and lowering unit to pick up an article on an article supporting member or lower the article lifting and lowering unit to transfer the article previously lifted by the article lifting and lowering unit onto the article supporting member.Type: GrantFiled: December 16, 2015Date of Patent: November 26, 2019Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Kazuwo Miki
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Patent number: 10464756Abstract: A conveying device has: a main conveyor unit; a sub conveyor unit; and a lifting and lowering unit that lifts and lowers at least one of the main conveyor unit and the sub conveyor unit, wherein the main conveyor unit has a main conveying passage disposed in a fixed region, the main conveying passage conveying a conveyance object, wherein the sub conveyor unit has a sub conveying passage disposed in the fixed region, the sub conveying passage conveying the conveyance object in an intersecting direction with respect to a conveying direction of the main conveying passage, wherein a conveyance attitude is capable of being changed between a main conveyance attitude in which a conveying surface of the sub conveying passage is located below a conveying surface of the main conveying passage, and a sub conveyance attitude in which both ends in the intersecting direction of the conveying surface of the sub conveying passage are located above the conveying surface of the main conveying passage, and in the sub conveyancType: GrantFiled: October 11, 2017Date of Patent: November 5, 2019Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Koji Ueda, Takahiro Itoh
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Patent number: 10308442Abstract: A discharge device is constructed so that, when conveyance destinations for a preceding conveyed object and a closely spaced succeeding conveyed object are different, the objects can be conveyed without stopping the conveyance of the succeeding conveyed object. The device has: a) discharge members that extend and retract between a plurality of conveying bodies in a main conveying conveyor, come into contact with a conveyed object when the discharge members extend between the conveying bodies, and impart a conveying force to the conveyed object, the force being in a direction different from that of the conveying bodies; b) a base member that supports the discharge members; and c) a and base swinging unit that swings the base member. By swinging the base member, it is possible to make the discharge members on the upstream side and the downstream side in the conveyance direction individually extend and retract between the conveying bodies.Type: GrantFiled: February 24, 2015Date of Patent: June 4, 2019Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Makoto Mitsuyoshi
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Patent number: 10301123Abstract: A transfer device having: a frame; a main conveyer unit having a main conveying passage disposed in a fixed planar area; and a sub conveyer unit having a sub conveying passage disposed in a planar area identical to the planar area of the main conveying passage and conveying an object in a direction crossing a conveying direction of the main conveying passage. A lifting and lowering unit lifts one of the conveying passages to a position above the other conveying passage. A regulating unit is provided for allowing linear upward and downward movement of at least one of the conveyer units. The regulating unit is a plate body or a linear body that bends and/or tilts. A bending direction or a tilting direction is aligned with an upward and downward movement direction of the main conveyer unit or the sub conveyer unit.Type: GrantFiled: July 13, 2018Date of Patent: May 28, 2019Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Jun Maekawa
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Patent number: 10071861Abstract: A path forming device for forming a part of a series of article conveying passage and opening a path for passing through when a worker crosses the article conveying passage, the path forming device including: a fixed side conveyor device located at a constant height position; a movable side conveyor device; a lifting and lowering function that lifts and lowers the movable side conveyor device; and a linear movement function that linearly moves the movable side conveyor device, wherein the movable side conveyor device is capable of taking: an article conveying posture in which the movable side conveyor device protrudes from the fixed side conveyor device in a cantilever state, and is linearly aligned with the fixed side conveyor at substantially the same height as the fixed side conveyor; and a path opening posture in which a height of the movable side conveyor device is lowered by the lifting and lowering function, the movable side conveyor device is made to move to the fixed side conveyor device by the lineaType: GrantFiled: March 22, 2016Date of Patent: September 11, 2018Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Kosuke Toda
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Patent number: 10053300Abstract: To develop a transfer device which has a lower overall height than that of a conventional technology. A transfer device 1 includes a main conveying unit 3 equipped with main conveying bodies 82, a sub conveying unit 2 equipped with sub conveying bodies 14, a lifting and lowering mechanism 4 which lifts and lowers the main conveying unit 3 and the sub conveying unit 2 such that the respective units 3 and 2 are located at different positions in the up-down direction, and a motor 5 which operates the lifting and lowering mechanism 4. A planar position of the motor 5 resides in a planar area overlapping with the main conveying bodies 82 and the sub conveying bodies 14. A position of the motor 5 in the height direction is set such that a part or the whole of the motor 5 is located above a height of a lower end of a rotational track or a traveling track of any one of the conveying bodies 82 and 14 in a lowered state of any one of the conveying units 3 and 2.Type: GrantFiled: January 26, 2015Date of Patent: August 21, 2018Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Jun Maekawa
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Patent number: 9944468Abstract: An object is to improve a conveyor device including a curved passage and to provide a conveyor device that enables the curvature radius of a curved passage to be reduced. A conveyor device (1) includes an introducing side linear conveyor (2), a curved passage conveyor (3), and a discharging side linear conveyor (5). The curved passage conveyor (3) conveys an object with a rotation trajectory of approximately 180°. The curved passage conveyor (3) includes a circular plate (6), and the upper face of the circular plate (6) functions as a conveying surface. The circular plate (6) is curved or bent. A part of the circular plate (6) other than the curved passage conveyor (3) gets under the conveying surfaces of the introducing side linear conveyor (2) and the discharging side linear conveyor (5).Type: GrantFiled: April 28, 2015Date of Patent: April 17, 2018Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Tomohiro Takami
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Patent number: 9926140Abstract: There is provided a roller conveyor that has a function capable of specifying a failure part or a defective part. When a signal for executing a failure detection operation is transmitted from a host controller (50) to each zone controller (10), each zone controller (10) immediately activates the corresponding motor-incorporating roller (5a). Then, after a certain time, the motor-incorporating roller (5a) is stopped. A pulse interval thereafter is detected by a pulse interval monitoring program (36) to determine whether a delay phenomenon has occurred. The delay phenomenon is a phenomenon in which the pulse signal generation interval is temporarily extended.Type: GrantFiled: April 30, 2014Date of Patent: March 27, 2018Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Toshiyuki Tachibana, Yoshinori Nagai, Shinji Sayama
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Patent number: 9878857Abstract: The objective is to develop a conveying device and a conveyer device having high conveying efficiency and high reliability when an article is transferred to a conveyer line with different height. Branching units (8) of a lower-level side conveyer line (5) and an upper-level side conveyer line (6) are connected to an inclined connection conveyer line (10). The branching unit (8) has a sub conveying passage (53) for conveying an article (60) in the same direction as a conveying direction of the connection conveyer line (10). The sub conveying passage (53) has a lifting and lowering motor-incorporating roller (43) and cams (46a, 46b). When the lifting and lowering motor-incorporating roller (43) is driven, the cams (46a, 46b) rotate, and the sub conveying passage (53) is connected to the connection conveyer line (10) in an inclined attitude. As a result, the article (60) can move between the lower-level side conveyer line (5) and the upper-level side conveyer line (6) via the connection conveyer line (10).Type: GrantFiled: February 26, 2015Date of Patent: January 30, 2018Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Makoto Mitsuyoshi
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Patent number: 9873565Abstract: Provided is a motor-incorporating roller capable of preventing a grease supply portion from separating. The motor-incorporating roller has a motor and a reducer in a cylindrical roller body and the reducer is provided with a gear train including a plurality of gears. The motor-incorporating roller has a grease supply portion that supplies grease to the plurality of gears in the reducer and is capable of containing grease therein. Furthermore, the motor-incorporating roller has a power output member that outputs power and a shaft portion that pivotally supports the gears. The grease supply portion is integrated with the power output member through the shaft portion to restrict movement of the shaft portion in an axial direction.Type: GrantFiled: July 30, 2015Date of Patent: January 23, 2018Assignee: Itoh Denki Co., Ltd.Inventors: Kazuo Itoh, Tatsuhiko Nakamura
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Patent number: D911289Type: GrantFiled: November 19, 2018Date of Patent: February 23, 2021Assignee: ITOH DENKI CO., LTD.Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Hideo Naiki