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    • 25. 发明授权
    • Mounting spindle shaft in magnetic disk drive
    • 将主轴安装在磁盘驱动器中
    • US07701664B2
    • 2010-04-20
    • US11286235
    • 2005-11-23
    • Atsushi KatsutaJosei Shimizu
    • Atsushi KatsutaJosei Shimizu
    • G11B25/04H02K7/08
    • G11B33/121G11B17/02G11B17/038G11B33/08
    • A magnetic disk drive has a problem in that when a shock in excess of a force used to fasten a spindle shaft to a cover is applied, the spindle shaft becomes inclined. Embodiments of the invention overcome this problem. In one embodiment, a cover is formed with a recessed portion at a location opposite to a spindle shaft. The recessed portion is formed with a projection having an end to be in contact with an inclined portion of a tapped hole of the spindle shaft. Thus, a “plug-like” structure is formed. Preferably, a gap between the cover and the spindle shaft is not present. With this structure, even if the shock is applied from outside, the projection of the cover acts as a stopper to suppress a displacement between the spindle shaft and the cover, thus preventing inclination of the spindle shaft.
    • 磁盘驱动器存在的问题在于,当施加超过用于将主轴固定到盖上的力的冲击时,主轴变得倾斜。 本发明的实施例克服了这个问题。 在一个实施例中,在与主轴相对的位置处形成具有凹部的盖。 凹部形成有具有与主轴的螺纹孔的倾斜部分接触的端部的突起。 因此,形成“塞状”结构。 优选地,盖和主轴之间的间隙不存在。 利用这种结构,即使从外部施加冲击,盖的突起用作止动器,以抑制主轴和盖之间的位移,从而防止主轴的倾斜。
    • 28. 发明申请
    • AQUEOUS PRIMER COMPOSITION AND COATING METHOD USING THE COMPOSITION
    • 使用组合物的水性原料组合物和涂料方法
    • US20090004487A1
    • 2009-01-01
    • US12145423
    • 2008-06-24
    • Hideaki KatsutaMasaharu Ishiguro
    • Hideaki KatsutaMasaharu Ishiguro
    • H01B1/22B05D1/36B32B15/20
    • C09D5/002C08K3/08C08K3/22C08L51/06C09D5/24C09D123/286Y10T428/31678
    • An aqueous primer composition comprising (A) a modified polyolefin aqueous dispersion, (B) an aqueous urethane resin and/or aqueous acrylic resin, (C) a conductive metal oxide and (D) aluminum flakes, characterized in that the solid mass ratio of component (A)/component (B) is in the range of 15/85-80/20, component (C) is present in a range of 50-300 parts by mass with respect to 100 parts by mass of the total resin solid portion in the composition, and component (D) is present in a range of 1-30 parts by mass with respect to 100 parts by mass of the total resin solid portion in the composition. It is possible to form high-brightness and high-chroma paint colors on plastic molded articles such as automobile bumpers, and to form primer coating films with sufficient conductivity and excellent water resistance and humidity resistance.
    • 一种水性底漆组合物,其包含(A)改性聚烯烃水分散体,(B)水性聚氨酯树脂和/或水性丙烯酸树脂,(C)导电金属氧化物和(D)铝薄片,其特征在于,固体质量比 组分(A)/组分(B)的含量在15 / 85-80 / 20的范围内,组分(C)相对于总树脂固体100质量份,以50-300质量份的范围存在 组分(D)相对于组合物中的总树脂固体部分100质量份,以1〜30质量份的范围存在。 可以在诸如汽车保险杠的塑料模塑制品上形成高亮度和高色度油漆颜色,并形成具有足够导电性和优异的耐水性和耐湿性的底漆涂膜。