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    • 1. 发明授权
    • Disk drive apparatus having an improved spindle motor loading mechanism
    • 具有改进的主轴电机加载机构的磁盘驱动装置
    • US5912786A
    • 1999-06-15
    • US656718
    • 1996-06-03
    • Carl F. NicklosMark S. ThayneDavid E. JonesRalph L. SondereggerReed J. Moody
    • Carl F. NicklosMark S. ThayneDavid E. JonesRalph L. SondereggerReed J. Moody
    • G11B17/04G11B19/20
    • G11B17/043
    • A disk drive apparatus has an eject member that moves in tandem with a disk cartridge from a first position to a second position upon insertion of the disk cartridge into the disk drive apparatus. The eject member has a projection formed thereon. A first spring biases the eject member in a direction opposite the direction of insertion of the removable disk cartridge. A motor ring assembly mounted on a chassis of the apparatus has a rotating member that rotates between an unloaded position and a loaded position. A second spring biases the rotating member toward its loaded position. A spindle motor is mounted in the motor ring assembly. The rotating member has a first cam surface, a second cam surface that extends substantially perpendicularly to the first cam surface, and a lead-in cam angle surface that extends between the first and second cam surfaces at an angle thereto. A shape memory alloy wire or other means is provided to rotate the rotating member from its loaded position toward its unloaded position. As that occurs, the second cam surface of the rotating member moves past the projection on the eject member, thereby allowing the eject member to move back toward its first position under the force of the first spring. This, in turn, allows the projection on the eject member to push against the lead-in cam angle surface of the rotating member to rotate the rotating member further toward its unloaded position.
    • 磁盘驱动装置具有将磁盘盒插入磁盘驱动装置时与盘盒一起从第一位置移动到第二位置的弹出构件。 弹出构件具有形成在其上的突起。 第一弹簧沿与可移动盘盒的插入方向相反的方向偏压弹出构件。 安装在该装置的底盘上的电动机环组件具有在卸载位置和装载位置之间旋转的旋转构件。 第二弹簧将旋转构件偏压到其装载位置。 主轴电机安装在电机环组件中。 旋转构件具有第一凸轮表面,大致垂直于第一凸轮表面延伸的第二凸轮表面,以及以与其成角度在第一和第二凸轮表面之间延伸的引入凸轮角度表面。 提供形状记忆合金线或其他装置以使旋转构件从其装载位置朝向其卸载位置旋转。 这样,旋转构件的第二凸轮面移动经过弹出构件上的凸起,从而允许弹出构件在第一弹簧的力作用下向其第一位置移回。 这反过来又允许弹出构件上的突出部件推动抵靠旋转构件的引入凸轮角度表面,以使旋转构件进一步朝向其卸载位置旋转。
    • 4. 发明授权
    • Disk drive load ramp for protecting the actuator heads
    • 用于保护执行器头的磁盘驱动器负载斜坡
    • US06201665B1
    • 2001-03-13
    • US08881804
    • 1997-05-30
    • Thomas J. AngellottiRalph L. SondereggerCarl F. NicklosMark S. Thayne
    • Thomas J. AngellottiRalph L. SondereggerCarl F. NicklosMark S. Thayne
    • G11B554
    • G11B17/043G11B5/4833
    • A disk drive of the type that receives a removable disk cartridge containing a disk-shaped storage medium, includes an actuator for carrying a pair of opposed read/write heads into engagement with respective opposite surfaces of the disk-shaped storage medium, and a pair of opposed projections disposed adjacent the read/write heads when they are in a retracted position. The opposed projections have opposed angled surfaces that deflect and capture the edge of the disk-shaped storage medium during cartridge insertion to prevent the edge of the storage medium from damaging the read/write heads. The opposed projections are preferably formed as part of a load ramp member that is snap-fit to another structure within the disk drive to facilitate assembly of the disk drive.
    • 接收包含盘形存储介质的可移动磁盘盒的类型的磁盘驱动器包括用于承载一对相对的读/写头与盘形存储介质的相应相对表面接合的致动器,以及一对 当它们处于缩回位置时,相邻的突出部设置在读/写头附近。 相对的突起具有相对的倾斜表面,其在盒插入期间偏转并捕获盘形存储介质的边缘,以防止存储介质的边缘损坏读/写头。 相对的突出部优选地形成为与盘驱动器内的另一结构卡扣配合的负载斜坡构件的一部分,以便于盘驱动器的组装。
    • 9. 发明授权
    • Apparatus for performing multiple functions in a data storage device
using a single electro-mechanical device
    • 用于在使用单个机电装置的数据存储装置中执行多个功能的装置
    • US5650891A
    • 1997-07-22
    • US324808
    • 1994-10-18
    • Mark S. ThayneCarl F. Nicklos
    • Mark S. ThayneCarl F. Nicklos
    • G11B17/04G11B19/18G11B21/02G11B21/22G11B23/03G11B25/04G11B33/02
    • G11B17/043G11B17/0402G11B19/18G11B23/0321G11B25/043G11B33/02
    • A data storage device for receiving a removable disk cartridge comprises first and second members movably mounted in the data storage device, each performing a respective function within the disk drive. A first spring coupled to the first movable member biases that member in a first direction. A second spring coupled to the second movable member biases that member in the same direction. A single, electro-mechanical device, which has a drive shaft capable of moving between extended and retracted positions, is mounted in the data storage device. The first and second movable members are arranged with respect to the drive shaft such that an operating end of the drive shaft engages and moves the second member a predetermined distance to an intermediate position of the drive shaft before engaging the first member. A first current applied to the electro-mechanical device moves the drive shaft against the biasing force of the second spring, but is insufficient to move the drive shaft against the combined forces of both springs. Thus, only the second member is moved upon application of the first current. A second, larger current moves the drive shaft against the biasing force of both springs, thus causing the first member to move. By selectively applying the two currents, the second member can be moved independently of the first member.
    • 用于接收可移除盘盒的数据存储装置包括可移动地安装在数据存储装置中的第一和第二构件,每个构件在盘驱动器内执行相应的功能。 联接到第一可移动构件的第一弹簧沿着第一方向偏压该构件。 联接到第二可动构件的第二弹簧沿同一方向偏压该构件。 具有能够在延伸位置和缩回位置之间移动的驱动轴的单个机电装置安装在数据存储装置中。 第一和第二可移动构件相对于驱动轴布置,使得在接合第一构件之前,驱动轴的操作端接合并将第二构件移动到预定距离到驱动轴的中间位置。 施加到机电装置的第一电流抵抗第二弹簧的偏置力移动驱动轴,但不足以使驱动轴抵抗两个弹簧的组合力移动。 因此,仅在施加第一电流时移动第二构件。 第二较大的电流克服两个弹簧的偏置力使驱动轴移动,从而使第一构件移动。 通过选择性地施加两个电流,第二构件可以独立于第一构件移动。