Patents Assigned to Kohki Co., Ltd.
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Publication number: 20240110611Abstract: A vibration isolation structure includes a mounting structure part secured to a pump, an elastic vibration isolation member attached to the mounting structure part, and an upper securing member secured to the mounting structure part to hold the elastic vibration isolation member. The upper securing member has first and second body portions opposed to each other across a tabular mounting portion of the mounting structure part in a thickness direction thereof. A connecting portion connects together the first and second body portions, and a locking projection extends from the first body portion. The upper securing member is secured to the mounting structure part by engagement of the locking projection with a locking surface of the mounting structure part. The upper securing member holds the elastic vibration isolation member to the tabular mounting portion by engaging the elastic vibration isolation member at a side closer to a side surface.Type: ApplicationFiled: September 28, 2023Publication date: April 4, 2024Applicant: NITTO KOHKI CO., LTD.Inventor: Masahiro Satoh
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Publication number: 20240019062Abstract: A handle mechanism of a piping member includes an inner member turnably attached to a pipe body and connected to a valve member in a fluid passage of the pipe body, an outer member turnably disposed outside the pipe body, and a coupling pin coupling together a first coupling end portion of the inner member and a second coupling end portion of the outer member in the direction of turning. The pipe body has a support surface located around the second coupling end portion. When a force acts on the outer member in a direction of pivoting the outer member about a pivot axis, the second coupling end portion engages the support surface, thereby allowing the outer member to be supported by the pipe body in the direction of pivoting.Type: ApplicationFiled: September 27, 2023Publication date: January 18, 2024Applicant: NITTO KOHKI CO., LTD.Inventor: Akihiro Wada
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Patent number: 11873933Abstract: A pipe coupling member includes a coupling body defining a part of a fluid passage, and a support member disposed inside the coupling body. A valve accommodating space is defined inside the coupling body at a position forward of the support member, and a valve element is disposed in the valve accommodating space to open and close the fluid passage. The coupling body is formed from a thin-walled pipe material and has a deformed recess formed by plastically deforming radially inward a portion of the coupling body that covers an annular groove of the support member. The deformed recess has a locking element latching surface along a support surface of the annular groove. When the pipe coupling member is connected to an associated pipe coupling member, the locking element latching surface is latched by a locking element of the associated pipe coupling member.Type: GrantFiled: March 14, 2022Date of Patent: January 16, 2024Assignee: NITTO KOHKI CO., LTD.Inventor: Toru Kouda
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Patent number: 11795939Abstract: A pump installation member has a first and second mutually discrete support members to be secured to predetermined installation portions of the first and second pump units, respectively. The pump installation member further has installation elastic members to be set between the first and second support members and the installation surface. The installation elastic members are elastically deformable as the first and second support members are displaced toward the installation surface when the first and second support members are fastened to the installation surface.Type: GrantFiled: May 25, 2021Date of Patent: October 24, 2023Assignee: NITTO KOHKI CO., LTD.Inventors: Kazumasa Kaiya, Hiroshi Nishitsuji
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Patent number: 11761566Abstract: A connecting pipe has a connecting pipe portion having, at the opposite ends thereof, connection opening end portions. The connecting pipe has a bendable portion provided between the opposite ends of the connecting pipe portion to allow the connecting pipe portion to be bent relative to the longitudinal axis of the connecting pipe portion. The connecting pipe further has rigid portions extending from the bendable portion to the connection opening end portions, respectively. The rigid portions have a higher rigidity than the bendable portion. Bending the connecting pipe portion at the bendable portion allows the connection opening end portions at the opposite ends to be fitted to associated pipe end portions, respectively. The connecting pipe portion has an elastic restoring force to maintain the state where the connection opening end portions are fitted to the associated pipe end openings, respectively.Type: GrantFiled: May 26, 2021Date of Patent: September 19, 2023Assignee: NITTO KOHKI CO., LTD.Inventors: Kazumasa Kaiya, Hiroshi Nishitsuji
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Patent number: 11701766Abstract: An electric motor-driven screwdriver includes a control circuit having a memory stored with setting data and a computing unit controlling the electric motor-driven screwdriver based on the setting data. The computing unit sets an execution order of work processes based on a pre-designated piece of order setting data, and sets, based on a next operation setting value, a next operation to be performed after completion of the final work process. The next operation setting value is selectable from among a setting value for stopping the operation of the electric motor-driven screwdriver, a setting value for repeating a series of work processes, and a setting value for shifting to a series of work processes in an execution order determined based on another piece of order setting data.Type: GrantFiled: June 17, 2020Date of Patent: July 18, 2023Assignee: NITTO KOHKI CO., LTD.Inventor: Shota Arai
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Publication number: 20230213028Abstract: The pump has an electromagnet for reciprocating a piston, and a first casing member at least partially accommodating the piston and the electromagnet. The electromagnet has a stator core and coils wound around the stator core. The pump further includes a thermal protector disposed on the stator core. The thermal protector is held between the casing member and the stator core. When the thermal protector detects that the stator core has heated up above a predetermined temperature, the supply of electric power to the electromagnet is interrupted to stop the drive of the piston.Type: ApplicationFiled: March 9, 2023Publication date: July 6, 2023Applicant: NITTO KOHKI CO., LTD.Inventor: Kousei Houguchi
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Patent number: 11619406Abstract: An air conditioning system includes: an intake unit configured to take in return air of an indoor space from a ceiling of the indoor space; an outdoor air processing unit configured to supply outdoor air while exhausting the return air taken in via the intake unit to outdoors; an air conditioner configured to supply, as air-conditioning air, mixed air of the return air taken in via the intake unit and the outdoor air supplied by the outdoor air processing unit; and at least one radiation unit disposed in the indoor space in a manner to surround the intake unit, the radiation unit being configured to radiate heat of the air-conditioning air supplied by the air conditioner while discharging the air-conditioning air to the indoor space.Type: GrantFiled: June 24, 2021Date of Patent: April 4, 2023Assignee: KIMURA KOHKI CO., LTD.Inventors: Keiichi Kimura, Katsuhiro Urano, Takayuki Ishida, Kazuya Goto
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Publication number: 20230086958Abstract: There are provided a method for predicting a springback amount and a method for bending a deformed reinforcing bar including: supplying the deformed reinforcing bar bending the supplied deformed reinforcing bar, and subsequently measuring a first bending angle in a state of releasing a bending force on the deformed reinforcing bar; further bending the reinforcing bar from which the bending force has been released, and subsequently measuring a second bending angle in a state of releasing the bending force; and predicting a relationship between the bending angle and the springback amount by using the measurement results after executing the further bending once or a plurality of times, in which the bending angle is greater for subsequent steps.Type: ApplicationFiled: September 13, 2022Publication date: March 23, 2023Applicants: THE DOSHISHA, TOYO KENSETSU KOHKI CO., LTD.Inventors: Masahiro SASADA, Ikuho MATSUKUMA, Satoshi HIGAKI
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Patent number: 11530768Abstract: A coil spring is disposed in a fluid passage between a cylindrical body and a valve element to urge the valve element toward a closed position. The coil spring comprises a valve support portion supporting the valve element, a secured portion secured to an inner peripheral surface of the fluid passage, an expanding-contracting portion extending from the secured portion, and a connecting portion between the expanding-contracting portion and the valve support portion. The connecting portion comprises a first portion curved so as to pass radially outward of an end winding portion of the expanding-contracting portion, a second portion passing through the center of the valve support portion, a third portion extending curvedly so as to overlap the first portion, and a fourth portion extending to the valve support portion. When the coil spring is compressed, the valve support portion is supported to the expanding-contracting portion 54 through the connecting portion.Type: GrantFiled: August 4, 2021Date of Patent: December 20, 2022Assignee: NITTO KOHKI CO., LTD.Inventor: Akihiro Wada
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Patent number: 11486373Abstract: The pump has a casing accommodating a piston and a driving part. The casing has a first casing member having a driving part retaining portion retaining the driving part, a second casing member fixedly stacked on the first casing member in the reciprocating direction of the piston, and a cylindrical pump chamber peripheral wall member disposed around a head of the piston. The second casing member has an end wall portion extending in a transverse direction substantially perpendicular to the reciprocating direction. A pump chamber, a delivery chamber, and a buffer chamber are defined between the first casing member and the end wall portion of the second casing member. The pump chamber, the delivery chamber, and the buffer chamber are disposed side-by-side in the transverse direction.Type: GrantFiled: June 17, 2020Date of Patent: November 1, 2022Assignee: NITTO KOHKI CO., LTD.Inventors: Kousei Houguchi, Hiroshi Nishitsuji
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Publication number: 20220252113Abstract: A clutch mechanism includes a first clutch plate retaining circular columnar engagement members and a second clutch plate retaining spherical engagement members. In the second clutch plate, inner retaining holes and outer retaining holes positioned more radially outward than the inner retaining holes are formed. The outer retaining holes are larger in diameter than the inner retaining holes. On assembly of the clutch mechanism, engagement members are selected from small-diameter spherical engagement members corresponding to the small-diameter inner retaining holes and large-diameter spherical engagement members corresponding to the large-diameter inner retaining holes. The selected engagement members are disposed in the corresponding retaining holes, respectively. The maximum rotational torque is greater when the large-diameter spherical engagement members are selectively disposed than when the small-diameter spherical engagement members are selectively disposed.Type: ApplicationFiled: April 27, 2022Publication date: August 11, 2022Applicant: NITTO KOHKI CO., LTD.Inventor: Hirokazu HITA
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Publication number: 20220205571Abstract: A pipe coupling member includes a coupling body defining a part of a fluid passage, and a support member disposed inside the coupling body. A valve accommodating space is defined inside the coupling body at a position forward of the support member, and a valve element is disposed in the valve accommodating space to open and close the fluid passage. The coupling body is formed from a thin-walled pipe material and has a deformed recess formed by plastically deforming radially inward a portion of the coupling body that covers an annular groove of the support member. The deformed recess has a locking element latching surface along a support surface of the annular groove. When the pipe coupling member is connected to an associated pipe coupling member, the locking element latching surface is latched by a locking element of the associated pipe coupling member.Type: ApplicationFiled: March 14, 2022Publication date: June 30, 2022Applicant: NITTO KOHKI CO., LTD.Inventor: Toru Kouda
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Patent number: 11268705Abstract: A pneumatic radiation unit according to the present invention includes: a first chamber including a first air discharger configured to discharge air-conditioning air to a second chamber; and the second chamber including a second air discharger configured to discharge the air-conditioning air to a space to be air conditioned, the second chamber being configured to take in the air-conditioning air from the first chamber and discharge the air-conditioning air and radiate heat to the space to be air conditioned. A second aperture ratio of the second air discharger is set to be greater than a first aperture ratio of the first air discharger, or a cross-sectional area of a flow passage of the air-conditioning air in the first chamber is gradually reduced from an upwind side to a downwind side of the flow passage of the air-conditioning air.Type: GrantFiled: March 12, 2019Date of Patent: March 8, 2022Assignee: KIMURA KOHKI CO., LTD.Inventors: Keiichi Kimura, Katsuhiro Urano
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Publication number: 20210364113Abstract: A coil spring is disposed in a fluid passage between a cylindrical body and a valve element to urge the valve element toward a closed position. The coil spring comprises a valve support portion supporting the valve element, a secured portion secured to an inner peripheral surface of the fluid passage, an expanding-contracting portion extending from the secured portion, and a connecting portion between the expanding-contracting portion and the valve support portion. The connecting portion comprises a first portion curved so as to pass radially outward of an end winding portion of the expanding-contracting portion, a second portion passing through the center of the valve support portion, a third portion extending curvedly so as to overlap the first portion, and a fourth portion extending to the valve support portion. When the coil spring is compressed, the valve support portion is supported to the expanding-contracting portion 54 through the connecting portion.Type: ApplicationFiled: August 4, 2021Publication date: November 25, 2021Applicant: NITTO KOHKI CO., LTD.Inventor: Akihiro Wada
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Patent number: 11168900Abstract: A pneumatic radiation air conditioner includes: a radiation unit configured to radiate air-conditioning air; and a fan configured to feed the air-conditioning air to the radiation unit. The radiation unit includes: a first chamber, through which the air-conditioning air flows; a second chamber configured to take in the air-conditioning air discharged from the first chamber and discharge the air-conditioning air and radiate heat of the air-conditioning air to a space to be air conditioned; and an air stream adjuster configured to adjust air velocity distribution and air volume distribution of the air-conditioning air that is discharged from the first chamber to the second chamber.Type: GrantFiled: September 9, 2019Date of Patent: November 9, 2021Assignee: KIMURA KOHKI CO., LTD.Inventors: Keiichi Kimura, Katsuhiro Urano, Masaki Shioji
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Publication number: 20210298833Abstract: A controller calculates a focal length of an objective optical system on the basis of position information acquired by a position detector and outputs to a focusing unit a signal for moving a movable lens in a focus direction to make the focus of the objective optical system coincide with a focus point specified by a pointer. It is not necessary to equip an autofocus system to a surgical microscope, and automatic focusing is performed by using a navigation system.Type: ApplicationFiled: February 26, 2021Publication date: September 30, 2021Applicant: Mitaka Kohki Co., Ltd.Inventor: Katsushige NAKAMURA
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Patent number: 11118717Abstract: A male coupling member detachably couplable to a female coupling member includes an outer coupling body having a first end inserted and fitted into the female coupling member, a second end opposite to the first end, and a passage extending from the first end to the second end. The male coupling member further includes an inner coupling body disposed coaxially with the outer coupling body at a position closer to the first end, and a filtration member detachably attached to the inner coupling body. The inner coupling body is attachable to and detachable from the outer coupling body from the first end. The filtration member is held in the passage when the inner coupling body is attached to the outer coupling body. The filtration member is detachable when the inner coupling body is detached from the outer coupling body.Type: GrantFiled: June 6, 2018Date of Patent: September 14, 2021Assignees: NITTO KOHKI CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takuya Nishio, Hidetoshi Nohara, Hirofumi Onishi, Masaaki Kondo, Akira Yamashita
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Patent number: D946626Type: GrantFiled: June 17, 2020Date of Patent: March 22, 2022Assignee: NITTO KOHKI CO., LTD.Inventors: Katsuhiko Shibukawa, Hiroto Sakurai, Hiroshi Nishitsuji, Kazushige Nishi
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Patent number: D962294Type: GrantFiled: February 25, 2021Date of Patent: August 30, 2022Assignee: NITTO KOHKI CO., LTD.Inventor: Kousei Houguchi