Patents Assigned to Piolax, Inc.
  • Publication number: 20230278502
    Abstract: There is provided a locking device for an opening and closing body, including: a locking portion; a base; a rotation body that includes a protruding portion on a part of an outer periphery thereof; a locking member; and an elastic member that includes a base portion, and a stopper portion configured to restrict a maximum rotation position of the rotation body in a predetermined direction by abutting against the protruding portion of the rotation body. The stopper portion is disposed in a manner of being biased in a direction opposite to the predetermined direction relative to the base portion. A part of the outer periphery of the rotation body is provided with a sliding contact portion that is configured to come into sliding contact with the elastic member in a process in which the protruding portion approaches the stopper portion.
    Type: Application
    Filed: August 27, 2021
    Publication date: September 7, 2023
    Applicant: PIOLAX, INC.
    Inventor: Katsuya TORIUMI
  • Patent number: 11739808
    Abstract: Provided is a damper capable of securely assembling a cap on an outer circumference of a rod while reducing a diameter of the cap and reducing an outer diameter of a cylinder. A damper has a cylinder, a rod, and a cap attached to an opening of the cylinder. The rod has a piston on its tip side and a mounting portion mounted on the other of a pair of members on its base end side, the cap has a main body that extends in an axial direction of the rod, and the main body is formed with a receiving opening that can receive the rod from an outside in a radial direction thereof.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: August 29, 2023
    Assignee: PIOLAX, INC.
    Inventor: Kouichi Kato
  • Patent number: 11733718
    Abstract: There is provided a valve device, including: a housing in which, via a partition wall, a valve chamber is provided below the partition wall and a vent chamber is provided above the partition wall, and a vent hole through which the valve chamber and the vent chamber communicate with each other is provided in the partition wall; and a float valve. A valve seat is formed on a side of the valve chamber of the partition wall, and an opening is provided on an inner side of the valve seat. The opening includes a first opening and a second opening extending outward in a slit shape from an outer periphery of the first opening. A seal part having elasticity that contacts with and separates from the valve seat to close and open the first opening and the second opening, is disposed above the float valve.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: August 22, 2023
    Assignee: PIOLAX, INC.
    Inventor: Kenta Mihara
  • Publication number: 20230249543
    Abstract: A valve device includes: a housing; a float valve; and a float valve support portion. The float valve support portion includes a support wall, a side wall, a first slit formed in the support wall, a second slit formed in the side wall, and an elastic piece defined by the first slit and the second slit. The elastic piece includes a first extending portion extending along the side wall, and a second extending portion extending from the first extending portion and capable of coming into contact with a bottom surface of the float valve.
    Type: Application
    Filed: June 10, 2021
    Publication date: August 10, 2023
    Applicant: PIOLAX, INC.
    Inventors: Kazuki YAJIMA, Takuma KON
  • Publication number: 20230191903
    Abstract: There is provided a valve device, including: a housing; a float valve; and a seal member. An opening portion includes a first region, and a second region. The seal member includes a first cover portion, and a second cover portion. The second cover portion includes a support portion, a wide portion, and a narrow portion. In a state where the seal member is retained and supported by the support portion with respect to the float valve, a width of the wide portion is set such that a tip end of the second region is covered, and that the second region of the opening portion is not exposed out of the seal member even in a state where the seal member is maximally displaced in a radial direction and/or a peripheral direction of the housing with respect to the opening portion.
    Type: Application
    Filed: December 16, 2022
    Publication date: June 22, 2023
    Applicant: PIOLAX, INC.
    Inventors: Kazuki YAJIMA, Kenta MIHARA
  • Publication number: 20230184280
    Abstract: A fastener made of a metal material and for attaching a component to an attachment hole of an attachment member includes first and second leg pieces facing each other, and a connecting portion connecting base ends of the first and second leg pieces. The first leg piece includes a locking portion configured to be locked to an edge of the attachment hole, and a claw portion configured to retain the fastener to the component. The claw portion extends from a tip end side of the first leg piece and is configured to be inserted into a hole portion formed in a boss portion of the component. The second leg piece does not include a claw portion configured to be inserted into the hole portion and to retain the fastener to the component.
    Type: Application
    Filed: April 27, 2021
    Publication date: June 15, 2023
    Applicant: PIOLAX, INC.
    Inventor: Ryosuke OZAKI
  • Publication number: 20230144508
    Abstract: There is provided a fill-up restriction valve including: a housing; and a float valve. The housing includes a housing body including a body-side peripheral wall, and a lower cap including a cap-side peripheral wall, the lower cap being installed to a lower side of the housing body by a joint portion. The joint portion includes an annular groove, an insertion wall portion, and an annular protrusion formed on one of the insertion wall portion and the annular groove, or an annular seal member disposed between the insertion wall portion and the annular groove. The annular protrusion or the annular seal member is configured to be in pressure-contact with the annular groove and the insertion wall portion in a state where the insertion wall portion is inserted into the annular groove.
    Type: Application
    Filed: November 8, 2022
    Publication date: May 11, 2023
    Applicant: PIOLAX, INC.
    Inventors: Takuma KON, Kenta MIHARA
  • Publication number: 20230027839
    Abstract: There is provided a valve device including: a housing; a float valve; and a pressure adjusting valve. A first valve seat is formed from a peripheral edge of a valve hole. An accommodation portion is provided in a protruding manner from a surface of a partition wall. An inner periphery of the accommodation portion is provided with a reduced diameter portion and an increased diameter portion. A height of an upper end of the reduced diameter portion is equal to or greater than a front surface of the pressure adjusting valve in a state where the pressure adjusting valve is in contact with the first valve seat. The pressure adjusting valve is configured to be beyond the upper end of the reduced diameter portion when the pressure adjusting valve is raised to a maximum due to an increase in pressure in a fuel tank.
    Type: Application
    Filed: December 17, 2020
    Publication date: January 26, 2023
    Applicant: PIOLAX, INC.
    Inventors: Kenta MIHARA, Kazuki YAJIMA
  • Publication number: 20230018794
    Abstract: There is provided a valve device including: a housing in which a valve chamber is provided on a lower side and a ventilation chamber is provided on an upper side via a partition wall, the partition wall being formed with a valve hole; a float valve; and a pressure adjusting valve. An accommodation portion is provided in a protruding manner from a surface of the partition wall. An accommodating space configured to accommodate the pressure adjusting valve is formed on an inner side of the accommodation portion, and an outer space is formed on an outer side of the accommodating space. The accommodation portion is formed with an opening through which the accommodating space and the outer space communicate with each other.
    Type: Application
    Filed: December 17, 2020
    Publication date: January 19, 2023
    Applicant: PIOLAX, INC.
    Inventor: Kazuki YAJIMA
  • Publication number: 20230010152
    Abstract: Provided is a rotation member connecting structure that does not require an operation of connecting a rotation support member and the rotation member to each other and can prevent rattling of the rotation member with respect to a rotation member support member. In the rotation member connecting structure, a rotation support member 10 has a support shaft 20, and a rotation member 30 has a retention part 50. The support shaft 20 has a restriction part 25 that restricts axial movement of the support shaft 20 with respect to the retention part 50 and a sliding part 27 that slides over an inner periphery of the retention part. The rotation support member 10 and the rotation member 30 are made of materials that are not bonded to each other during molding by the resin materials.
    Type: Application
    Filed: December 3, 2020
    Publication date: January 12, 2023
    Applicant: PIOLAX, INC.
    Inventor: Hisashi NAKASONE
  • Publication number: 20230003060
    Abstract: There is provided an unlocking device, including: a rotating member; a housing; an operating member; and a biasing member. The rotating member includes a pressed portion, and a retaining portion. The housing includes an accommodating portion, an engaging portion that is engaged with the retaining portion, and an opening. The operating member includes a pressing portion, and is slidable in a direction substantially parallel to a rotation plane of the rotating member. The retaining portion and the engaging portion are located within a thickness range of the operating member when viewed in a sliding direction of the operating member.
    Type: Application
    Filed: December 3, 2020
    Publication date: January 5, 2023
    Applicant: PIOLAX, INC.
    Inventor: Hisashi NAKASONE
  • Publication number: 20220396983
    Abstract: There is provided a lock lever including: a base portion having an operation portion; a rotation shaft portion that is pivotally supported by the lid body and that allows the base portion to rotate; a lock portion that is configured to rotate together with the base portion and that is configured to be locked to or unlocked from the fixed body in accordance with rotation; and an elastic piece that extends from the base portion and that has a tip end side configured to elastically contact the lid body to bias the lock portion in a direction to lock the lock portion. The elastic piece extends from the base portion so as to approach the rotation shaft portion, and extends so as to be separated from the rotation shaft portion toward a tip end on the way when viewed in a rotation axis direction.
    Type: Application
    Filed: October 30, 2020
    Publication date: December 15, 2022
    Applicant: PIOLAX, INC.
    Inventor: Hisashi NAKASONE
  • Publication number: 20220333626
    Abstract: There is provided a fastener for attaching a component having a rail groove to an attachment member, the fastener including: a coupling portion that is configured to be coupled to the component; and a fixing portion that supports the coupling portion and that is configured to be fixed to the attachment member. The coupling portion includes an insertion portion to be inserted into the rail groove, and an elastic piece located at a position shifted from the insertion portion in an insertion direction. The elastic piece includes a locking portion that is configured to be locked to the component to restrict the insertion portion from coming out of the rail groove, the elastic piece configured to abut against and urge the component in a bent state.
    Type: Application
    Filed: September 7, 2020
    Publication date: October 20, 2022
    Applicant: PIOLAX, INC.
    Inventor: Hikaru KIYOTA
  • Patent number: 11459812
    Abstract: A damper includes a cylinder, a rod including a first engaging portion at a tip end thereof, and a piston formed of an elastic resin material. The piston includes a convex portion provided so as to protrude at a base end portion located on a rod base end side and always in pressure contact with an inner circumference of the cylinder. During damper braking, the first engaging portion of the rod abuts against the other end portion of the piston, and an axial compression force acts on the piston between the first engaging portion and the convex portion in pressure contact with the inner circumference of the cylinder.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: October 4, 2022
    Assignee: PIOLAX, INC.
    Inventor: Kouichi Kato
  • Patent number: 11441712
    Abstract: A hose clamp includes a clamp main body including a ring portion and a pair of knob portions; and a holder. The holder includes a main body portion, a pair of holding walls, and an operation portion. An inner surface on a distal end side of one holding wall includes a protrusion that protrudes more largely inward than an inner surface on a distal end side of other holding wall. And in a state where the pair of knob portions are close to each other, a distal end of one knob portion in a peripheral direction is engaged with the inner surface of the one holding wall, and the other knob portion is engaged with the inner surface of the other holding wall, so that the ring portion is kept in a diameter-increased state.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: September 13, 2022
    Assignee: PIOLAX, INC.
    Inventors: Shun Muramatsu, Ken Sodeyama
  • Publication number: 20220274469
    Abstract: A sun visor holder includes a base portion and leg portion. The leg portion includes a first wall portion and a second wall portion that are vertically disposed from the base portion and face each other. The first wall portion includes a first engaging piece provided with a release portion. The second wall portion includes a pair of second engaging pieces whose base end portions are connected to a tip end side of the second wall portion, and a vertical wall that is disposed between the pair of second engaging pieces and extends in a vertical direction of the second wall portion. Groove portions that extend in the vertical direction of the second wall portion and thin the second wall portion are formed on the second wall portion between each of the second engaging pieces and the vertical wall.
    Type: Application
    Filed: September 3, 2019
    Publication date: September 1, 2022
    Applicant: PIOLAX, INC.
    Inventors: Yukihiro SOTOME, Hikaru KIYOTA
  • Patent number: 11415092
    Abstract: To provide a fuel tank check valve making it easy to assemble a cap to a valve element housing. This fuel tank check valve has a body tube provided with a valve element housing, a valve element, a cap, and a spring, wherein the valve element housing has a base end side frame, a tip end side frame to which the cap is mounted, and a first coupling frame connecting the both frames, the tip end side frame is provided with a retraction portion having a shape in which a circumferential part is retracted from the tip end surface thereof to the base end side frame side, the cap is formed with a notch whose circumferential part is notched, and the cap is assembled to the valve element housing so that the notch is positioned in the retraction portion.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: August 16, 2022
    Assignee: PIOLAX, INC.
    Inventors: Takahiro Sakai, Yusuke Ochiai
  • Patent number: 11415221
    Abstract: A damper device includes a cylinder including an attachment portion and a piston including an attachment portion. The attachment portion of at least one of the cylinder and the piston includes an elastic portion which urges a pin member inserted therein in an axial direction and a radial direction. The elastic portion includes an axial abutment portion which abuts on a large-diameter portion of the pin member protruding radially outward from an outer peripheral surface of the pin member; and a radial abutment portion which abuts on the outer peripheral surface of the pin member.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: August 16, 2022
    Assignee: PIOLAX, INC.
    Inventor: Kouichi Kato
  • Publication number: 20220235843
    Abstract: There is provided a damper device, including: a base; a rotor rotatably supported by the base; a cap defining a housing chamber of the rotor together with the base; and viscous liquid filled in the housing chamber. The base and the cap define a reservoir chamber for the viscous liquid on an outer side of the housing chamber in a radial direction. A gap between the housing chamber and the reservoir chamber is sealed.
    Type: Application
    Filed: April 2, 2020
    Publication date: July 28, 2022
    Applicant: PIOLAX, INC.
    Inventors: Tomoyuki HOSOYA, Jun SAITO
  • Publication number: 20220221018
    Abstract: An air damper is provided. A piston member includes a stopper portion configured to come into contact with a cap in a state that a rod is pulled out to a maximum extent, and a deflection regulating portion configured to be positioned inside the engagement claw in the state to regulate an inward deflection of the engagement claw. An attachment portion rotatably attached to an attachment target portion is provided at an end portion of the rod. A contact surface is formed on the inner side of the engagement claw when viewed in an axial direction of the cylinder, the contact surface being capable of coming into contact with the deflection regulating portion when the rod swings in a direction of a rotation axis of the attachment portion with respect to the attachment target portion or in a direction intersecting the rotation axis.
    Type: Application
    Filed: June 12, 2020
    Publication date: July 14, 2022
    Applicant: PIOLAX, INC.
    Inventors: Jung Hyung CHO, Nobuhiro TAMAI