Rappel head



Keywords: rappel head
Description: Просмотреть профиль участника Brian Rappel в LinkedIn. LinkedIn — крупнейшая в мире сеть бизнес-контактов, помогающая таким профессионалам как Brian Rappel связываться с рекомендованными кандидатами на должность, отраслевыми экспертами и бизнес-партнёрами.

A head stack assembly of a disk drive has a hub including a side margin defining a channel for carrying VCM conductors at least partially around an angular offset such that the conductors are contained within a peripheral outline of the hub and the conductors can extend completely within an overmolding thickness. A first portion of a flexible interconnection biases against a side margin of the hub such that a rotation of the HSA causes a length of the first portion to change. A floating portion of length of the flexible extension follows a semicircular path between a first contact position on the hub and a second contact position on the support surface such that a floating loop diameter is defined between the contact positions. The hub and the support surface can be configured for changing the floating loop diameter with rotation to vary resilient biasing torque to the HSA.

A data storage cartridge is positioned in a disk drive. The cartridge is positioned in the X and Y dimensions by contact between an alignment opening in the cartridge and an XY alignment pin in the disk drive and in the theta (rotational) dimension by contact between an edge of the cartridge and a theta datum in the disk drive. The cartridge is positioned in the Z dimension by contact between the cartridge and at least three Z datums.

Авторы изобретения:
    Brian Rappel , Glade Bagnell, Robert Freeman, Joseph Manes, Stephen Misuta, Shane Nowell, EJ Wadsworth

A disk drive includes a housing, a cartridge tray, and a cam plate. The cartridge tray is adapted to hold a cartridge that includes a data storage disk. The housing has a pair of vertical cartridge tray pin slots which hold tray pins that are part of the cartridge tray. The cam plate includes a pair of cam slots formed at an oblique angle to the cartridge tray pin slots. The tray pins extend through the cam slots into the cartridge tray pin slots. Movement of the cam plate back and forth causes the tray pins and cartridge tray to move vertically between a loaded position, where data can be read from or written to the data storage disk, to an unloaded position. The use of two cartridge tray pins allows the cartridge tray to rotate about an axis defined by the tray pins, and this action assists in locating the cartridge precisely in a repeatable position, in contact with a plurality of datums, when it is fully loaded.

Авторы изобретения:
    Brian Rappel , Glade Bagnell, Robert Freeman, Joseph Manes, Stephen Misuta, Shane Nowell, EJ Wadsworth

Disclosed is a method for aligning a rotating device such as an actuator assembly to a base of, for example, a disk drive. The device is rotatably mounted to the base about the pivot pin. The method may involve adjusting the angular position of the pivot pin relative to the base unless or until the actuator assembly rotates in a first plane parallel to a second plane containing a surface of the data storage disk. In one embodiment, the data storage disk is mounted for rotation on a disk rotation motor. The disk rotation motor, in turn, is mounted to a base. With the device positioned between the base and the data storage disk, the device is rotated about the pivot pin. While the device is rotated about the pivot pin, electrical current is provided to the device. The magnitude of the electrical current is proportional or inversely proportional to a distance D separating the device from the data storage disk. The electrical current is monitored as the device rotates about the pivot pin. When the monitored current is constant in magnitude as the device rotates about the pivot pin, the angle between the device and the base is such that the device should rotate in the first plane.






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