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    • 1. 发明授权
    • Bearing member for pedal arm, pedal arm, and method for manufacturing pedal arm
    • US09958896B2
    • 2018-05-01
    • US14122113
    • 2011-10-07
    • Nobuyuki KawaharaMasanobu Ichikawa
    • Nobuyuki KawaharaMasanobu Ichikawa
    • G05G1/44G05G1/50F16C33/08F16C11/04G05G1/46F16C35/02
    • G05G1/44F16C11/045F16C33/08F16C35/02F16C2226/52F16C2326/01G05G1/46G05G1/50G05G1/506Y10T29/4994Y10T74/20528
    • A bearing member for a pedal arm, which is a tubular bearing member which is disposed so as to connect a first mounting hole and a second mounting hole formed respectively in a pair of plate members constituting right and left side walls of the pedal arm and through which a connecting shaft is passed so as to be rotatable relative to the bearing member, the bearing member includes: a large-diameter tubular portion configured to have an external diameter larger than a diameter of the first mounting hole and to be located between the pair of plate members; a first connecting portion configured to have an external diameter smaller than the diameter of the first mounting hole, to be formed so as to project from one end face of the large-diameter tubular portion coaxially with the large-diameter tubular portion, to be passed through the first mounting hole, and to be fixedly fitted to the first mounting hole by being compressed in an axial direction to be swaged so that a peripheral portion of the first mounting hole is held between a swaged portion, which is formed from the first connecting portion, and the one end face of the large-diameter tubular portion; and a second connecting portion configured to have an external diameter smaller than a diameter of the second mounting hole and a thickness larger than a thickness of the first connecting portion, to be formed so as to project from the other end face of the large-diameter tubular portion coaxially with the large-diameter tubular portion, to be passed through the second mounting hole, and to be fixedly fitted to the second mounting hole by being compressed in the axial direction to be bulged and deformed radially outward so that a portion of the second connecting portion, which is apart from the other end face of the large-diameter tubular portion by a predetermined distance, is brought into close contact with an inner peripheral wall of the second mounting hole.
    • 2. 发明申请
    • BEARING MEMBER FOR PEDAL ARM, PEDAL ARM, AND METHOD FOR MANUFACTURING PEDAL ARM
    • US20140123801A1
    • 2014-05-08
    • US14122113
    • 2011-10-07
    • Nobuyuki KawaharaMasanobu Ichikawa
    • Nobuyuki KawaharaMasanobu Ichikawa
    • G05G1/44G05G1/50
    • G05G1/44F16C11/045F16C33/08F16C35/02F16C2226/52F16C2326/01G05G1/46G05G1/50G05G1/506Y10T29/4994Y10T74/20528
    • A bearing member for a pedal arm, which is a tubular bearing member which is disposed so as to connect a first mounting hole and a second mounting hole formed respectively in a pair of plate members constituting right and left side walls of the pedal arm and through which a connecting shaft is passed so as to be rotatable relative to the bearing member, the bearing member includes: a large-diameter tubular portion configured to have an external diameter larger than a diameter of the first mounting hole and to be located between the pair of plate members; a first connecting portion configured to have an external diameter smaller than the diameter of the first mounting hole, to be formed so as to project from one end face of the large-diameter tubular portion coaxially with the large-diameter tubular portion, to be passed through the first mounting hole, and to be fixedly fitted to the first mounting hole by being compressed in an axial direction to be swaged so that a peripheral portion of the first mounting hole is held between a swaged portion, which is formed from the first connecting portion, and the one end face of the large-diameter tubular portion; and a second connecting portion configured to have an external diameter smaller than a diameter of the second mounting hole and a thickness larger than a thickness of the first connecting portion, to be formed so as to project from the other end face of the large-diameter tubular portion coaxially with the large-diameter tubular portion, to be passed through the second mounting hole, and to be fixedly fitted to the second mounting hole by being compressed in the axial direction to be bulged and deformed radially outward so that a portion of the second connecting portion, which is apart from the other end face of the large-diameter tubular portion by a predetermined distance, is brought into close contact with an inner peripheral wall of the second mounting hole.
    • 3. 发明申请
    • BEARING MEMBER FOR PEDAL ARM AND PEDAL ARM
    • US20130298723A1
    • 2013-11-14
    • US13981138
    • 2011-10-07
    • Nobuyuki KawaharaMasanobu Ichikawa
    • Nobuyuki KawaharaMasanobu Ichikawa
    • G05G1/445
    • G05G1/445B60T7/06B60T11/18F16C17/02F16C35/02G05G1/46Y10T74/20888
    • A bearing member for a pedal arm, which is a tubular bearing member which is disposed in a circular mounting hole formed in a plate member that constitutes the pedal arm and through which a connecting shaft having a cylindrical outer peripheral face is passed so as to be rotatable relative to the bearing member, the bearing member includes: a large-diameter tubular portion having an external diameter larger than a diameter of the mounting hole and having a cylindrical inner peripheral face along which the connecting shaft is extended so as to be rotatable relative to the cylindrical inner peripheral face; a small-diameter tubular portion that is formed continuously and integrally with the large-diameter tubular portion in an axial direction of the large-diameter tubular portion, that has a cylindrical outer peripheral face with a diameter smaller than that of the mounting hole, and that has the cylindrical inner peripheral face formed continuously from the large-diameter tubular portion along an overall length of an axial length t of the small-diameter tubular portion; and a thin-wall tubular portion that is formed continuously with the small-diameter tubular portion in the axial direction so as to be located on a side opposite to the large-diameter tubular portion and so as to be integral with the small-diameter tubular portion, that has an inner diameter larger than a diameter of the cylindrical inner peripheral face of the small-diameter tubular portion, and that has the cylindrical outer peripheral face formed continuously from the small-diameter tubular portion, by inserting the bearing member into the mounting hole from a thin-wall tubular portion side and swaging the thin-wall tubular portion, which projects from the mounting hole to an opposite side, in the axial direction, the bearing member being fixedly fitted to the mounting hole such that a peripheral portion of the mounting hole is held between a swaged portion bulged radially outward and the large-diameter tubular portion.
    • 8. 发明授权
    • Method for manufacturing a hot press-formed member
    • 热压成形构件的制造方法
    • US08741075B2
    • 2014-06-03
    • US13533102
    • 2012-06-26
    • Kazuhito ImaiMasanobu Ichikawa
    • Kazuhito ImaiMasanobu Ichikawa
    • B21C23/24B21C23/22
    • C23C2/28C21D1/673C21D1/74C23C2/06C23C2/26C25D5/50
    • A method of producing a hot press-formed member having good corrosion resistance comprises subjecting a zinc-based plated steel sheet to heat treatment by heating to a temperature region of 600-750° C. at a rate of temperature increase up to 600° C. of at most 50° C. per second followed by cooling to 550° C. or below to form a steel blank which has a zinc oxide layer in its uppermost surface portion and below it a zinc-iron alloy phase having an Fe content of at least 25 mass %. This steel blank is heated to a temperature of at least its Ac3 point, then press formed immediately at a temperature of at least its Ac3 point, and then rapidly cooled. The hot press-formed member has a surface region with zinc oxide and iron-zinc solid solution phases and not containing an intermetallic compound phase or a pure zinc phase.
    • 一种制造具有良好耐腐蚀性的热压成型件的方法包括:将锌基镀覆钢板以600-750℃的温度区域进行加热处理,温度升高至600℃ 至多50℃/秒,然后冷却至550℃或更低,以形成在其最上表面部分和其下方具有氧化锌层的钢坯,其中Fe含量为 至少25质量%。 将该钢坯加热到至少其Ac3点的温度,然后在至少其Ac3点的温度下立即压制,然后快速冷却。 热压成型体具有氧化锌和铁 - 锌固溶相的表面区域,不含金属间化合物相或纯锌相。
    • 9. 发明申请
    • METHOD FOR MANUFACTURING A HOT PRESS-FORMED MEMBER
    • 制造热压成型机的方法
    • US20120325377A1
    • 2012-12-27
    • US13533102
    • 2012-06-26
    • Kazuhito IMAIMasanobu Ichikawa
    • Kazuhito IMAIMasanobu Ichikawa
    • C21D8/02C23C8/80C23C8/10
    • C23C2/28C21D1/673C21D1/74C23C2/06C23C2/26C25D5/50
    • A method of producing a hot press-formed member having good corrosion resistance comprises subjecting a zinc-based plated steel sheet to heat treatment by heating to a temperature region of 600-750° C. at a rate of temperature increase up to 600° C. of at most 50° C. per second followed by cooling to 550° C. or below to form a steel blank which has a zinc oxide layer in its uppermost surface portion and below it a zinc-iron alloy phase having an Fe content of at least 25 mass %. This steel blank is heated to a temperature of at least its Ac3 point, then press formed immediately at a temperature of at least its Ac3 point, and then rapidly cooled. The hot press-formed member has a surface region with zinc oxide and iron-zinc solid solution phases and not containing an intermetallic compound phase or a pure zinc phase.
    • 一种制造具有良好耐腐蚀性的热压成型件的方法包括:将锌基镀覆钢板以600-750℃的温度区域进行加热处理,温度升高至600℃ 至多50℃/秒,然后冷却至550℃或更低,以形成在其最上表面部分和其下方具有氧化锌层的钢坯,其中Fe含量为 至少25质量%。 将该钢坯加热到至少其Ac3点的温度,然后在至少其Ac3点的温度下立即压制,然后快速冷却。 热压成型体具有氧化锌和铁 - 锌固溶相的表面区域,不含金属间化合物相或纯锌相。
    • 10. 发明授权
    • Plate-shaped workpiece positioning structure for hot press forming
    • 用于热压成型的板状工件定位结构
    • US07757536B2
    • 2010-07-20
    • US11978630
    • 2007-10-30
    • Masanobu IchikawaTatsuya Ito
    • Masanobu IchikawaTatsuya Ito
    • B21J13/10
    • B21D22/21B21D22/208B21D37/00B21D43/003C21D1/673
    • The present invention provides a plate-shaped workpiece positioning structure for hot press forming that, upon executing a hot press forming of a heated plate-shaped workpiece (16), positions the plate-shaped workpiece relative to a pair of press dies (10, 12, 14). The positioning structure includes (a) a first positioning opening (20b) and (b) a second positioning openings (22a, 22c). The first positioning opening is arranged in a center part of the plate-shaped workpiece, and engages with a first positioning pin (22b) provided on one (12) of the pair of press dies to position the plate-shaped workpiece. The second positioning openings are arranged between the first positioning opening and a predetermined outer peripheral parts (16a, 16b) of the plate-shaped workpiece, and are formed in an elongate shape that extends along a line connecting the first positioning opening and the predetermined outer peripheral part of the plate-shaped workpiece. The second positioning openings engage with a second positioning pins (22a, 22c) provided on one (12) of the pair of press dies. Thus, the plate-shaped workpiece is positioned in a circumferential direction about the first positioning opening of the plate-shaped workpiece. Additionally, the plate-shaped workpiece can contractionally deform toward the first positioning opening upon executing the hot press forming of the heated plate-shaped workpiece.
    • 本发明提供了一种用于热压成形的板状工件定位结构,在执行加热的板状工件(16)的热压成形时,将板状工件相对于一对压模(10, 12,14)。 定位结构包括(a)第一定位开口(20b)和(b)第二定位开口(22a,22c)。 第一定位开口布置在板状工件的中心部分中,并与设置在一对压模的一个(12)上的第一定位销(22b)接合,以定位板形工件。 第二定位开口布置在第一定位开口和板状工件的预定的外周部分(16a,16b)之间,并且形成为沿着连接第一定位开口和预定外部的线的细长形状 板状工件的周边部分。 第二定位开口与设置在该对压模的一个(12)上的第二定位销(22a,22c)接合。 因此,板状工件围绕板状工件的第一定位开口沿圆周方向定位。 此外,当执行加热的板状工件的热压成型时,板状工件可能朝向第一定位开口收缩变形。