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    • 5. 发明授权
    • Method of manufacturing a strut member made of a tube material for use
with drum brakes
    • 制造由用于鼓式制动器的管材制成的支柱构件的方​​法
    • US4088001A
    • 1978-05-09
    • US773661
    • 1977-03-02
    • Masakazu IshikawaJuichi ShibataniHiroyuki OkaNaomi MitsuokaMitsuo Matsuda
    • Masakazu IshikawaJuichi ShibataniHiroyuki OkaNaomi MitsuokaMitsuo Matsuda
    • B21D41/04B21D53/88F16D65/56H02M7/515
    • B21D41/04B21D53/88F16D65/563
    • An improved method of manufacturing a strut member for use in a strut device of the drum brake, having two strut members and a connecting member provided with a threaded portion for linking both, to function as an adjustor of the shoe clearance. This manufacturing method comprises as least the following two processes: (a) forming a flat plate-like portion partially on a length of a tube while producing a through bore therein as a displaced space, by inserting a mandrel substantially concentrically into a tube material, pressing or squeezing a portion of the tube in the diametrical direction in such a manner that the inside of the tube is pressed onto the mandrel for producing the displaced space therein, after retracting the mandrel until the inside surface of the tube at upper and lower portion thereof on either side of the displaced space closely contact to each other; and (b) forming a cut-out, ranging from the extremity of the tube to a part of the flattened portion, such that the through bore can have the opening thereof at the bottom of the cut-out to be able to engage with the web portion of a brake shoe.
    • 一种制造用于鼓式制动器的支柱装置的支柱构件的改进方法,具有两个支柱构件和连接构件,该连接构件设置有用于连接两者的螺纹部分,用作鞋间隙的调节器。 该制造方法至少包括以下两个过程:(a)在管的长度上部分地形成平板状部分,同时通过将心轴基本上同心地插入管材中而在其中形成作为置换空间的通孔, 在径向方向上挤压或挤压管的一部分,使得将管内部压在心轴上以在其中产生置换的空间之后,在缩回心轴之后直到管的上表面和下部 在位移空间的任一侧彼此紧密接触; 和(b)形成切口,从管的末端到平坦部分的一部分,使得通孔可以在切口的底部具有开口以能够与平坦部分接合 刹车片的腹板部分。
    • 9. 发明授权
    • Manual transmission for motor vehicle
    • 汽车手动变速器
    • US4901590A
    • 1990-02-20
    • US234624
    • 1988-08-22
    • Masaki InuiMasakazu Ishikawa
    • Masaki InuiMasakazu Ishikawa
    • F16H3/093
    • F16H3/093F16H2003/0938Y10T74/19233Y10T74/19242Y10T74/194
    • A manual transmission includes an input shaft having first and second drive gears fixed thereon, an output shaft arranged in parallel with the input shaft having at least a pair of change-speed driven gears fixed thereon, a first countershaft arranged in parallel with the input and output shafts at one side thereof and having a first driven gear fixed thereon and engaged with the first drive gear, a pair of low speed drive gears rotatable thereon and engaged with the change-speed driven gears, and a first synchronizer coupling adapted to selectively connect the low speed drive gears to the first countershaft, and a second countershaft arranged in parallel with the input and output shafts at the other side thereof and having a second driven gear fixed thereon and engaged with the second drive gear, a pair of high speed drive gears rotatable thereon and engaged with the change-speed driven gears, and a second synchronizer coupling adapted to selectively connect the high speed drive gears to the second countershaft, wherein an additional change-speed driven gear is fixed on one end of the output shaft and engaged with an additional high speed drive gear rotatable on one end of the second countershaft and connectable thereto.