Abstract: A base for a disk driving device includes a first bottom part including a region for movement of a recording head; a second bottom part including a mounting region of a component of a voice coil motor; a third bottom part which becomes a mounting region of a pivot bearing unit; and a fourth bottom part forming a peripheral portion of the third bottom part. The second and third bottom parts are partitioned by a rigidity reinforcing part.

Abstract: There is provided a base assembly including a base member formed of a metal plate to be molded by plastic working and including a coupling part formed at an edge thereof, and a strength reinforcing member formed of metal and coupled to the coupling part, wherein the strength reinforcing member has a thickness greater than that of the base member to prevent deformation of the base member.

Abstract: There is provided a spindle motor including a base member formed by firing processing a steel plate and provided with a cylindrical installation part, a shaft support part including a sleeve insertedly disposed in the installation part, a shaft rotatably supported by the shaft support part, a rotor hub fixed to an upper end of the shaft and provided with a driving magnet, and a stator core installation member disposed on the base member so as to be disposed outwardly of the installation part in a radial direction and having a stator core, wherein the stator core installation member includes a body part, an installation wall part extending from an upper surface of the body part and a support part, and the rotor hub is provided with an extending wall extending from a bottom surface thereof to form a labyrinth seal with the installation wall part.

Abstract: There is provided a spindle motor including a base member formed by firing processing a steel plate and provided with a cylindrical installation part, a shaft support part including a sleeve insertedly disposed in the installation part, a shaft rotatably supported by the shaft support part, a rotor hub fixed to an upper end of the shaft and provided with a driving magnet, and a stator core installation member disposed on the base member so as to be disposed outwardly of the installation part in a radial direction and having a stator core, wherein the stator core installation member includes a body part, an installation wall part extending from an upper surface of the body part and a support part, and the rotor hub is provided with an extending wall extending from a bottom surface thereof to form a labyrinth seal with the installation wall part.

Abstract: There is provided a base for a motor, the base including: a base body formed of a steel plate through a pressing process; and an outer wall part defining an exterior of the base body, in which the outer wall part has a thickness smaller than a thickness of the steel plate in order to increase a contact area with a sealing part.

Abstract: There is provided a base plate including a body part formed of a metal plate, a pocket part including a recess formed in one surface of the body part by decreasing a thickness of the body part, a center plate part forming the pocket part and corresponding to the recess, a pocket periphery part forming the body part in a periphery of the pocket part, and a pocket edge part formed between the pocket periphery part and the center plate part and having a thickness different from that of the center plate part, wherein a height from a bottom surface of the body part to a top surface of the center plate part is identical to a height of the pocket periphery part, and a thickness of the pocket periphery part is greater than a thickness of the center plate part.

Abstract: Disclosed herein is a base for a hard disk drive including: a base plate formed with a motor seating part; and at least one through hole formed along an outer circumference of a seating part of the base plate and formed to axially receive a coil winding part of a stator assembly of the motor, wherein the through hole is configured of a first through groove corresponding to the coil winding part and a second through groove extending from the first through groove and formed so that a radial forming width of the second through groove from a center of the seating part is narrower than that of the first through groove. According to the preferred embodiment of the present invention, it is possible to improve and maintain the rigidity of the base while avoiding the coil winding part by structurally changing the through hole of the base.

Abstract: There is provided a base assembly for a motor, including: a base for a motor; a magnet mounted in the base to provide a driving force to a magnetic head; and a magnet insertion part having the magnet inserted therein and formed to penetrate through the base so as to restrict a movement of the magnet.

Abstract: There is provided a base assembly including: at least one coupling member provided with insertion holes into which fastening members are inserted; and a press base formed by press processing and including insertion parts each formed in positions corresponding to those of the insertion holes and having the fastening members inserted thereinto in order to mount the coupling member, wherein each of the insertion parts is provided with a fastening hole into which the fastening member is inserted and is bent to overlap so as to have a mutual contact part extended and protruded from an upper surface of the press base.

Abstract: There is provided a base assembly including: a bracket device connected to a head assembly in order to drive the head assembly for reading information from a disk and including an elastic member provided on one surface thereof, the elastic member having a terminal disposed in an inner portion thereof and connected to a main circuit board; and a press base formed by press processing and having an opening part into which the elastic member is inserted, wherein the press base includes an elastic support part forming the opening part and extended in a direction into which the bracket device is inserted to thereby increase a contact area with the elastic member.

Abstract: There are provided a base for a motor and a hard disk drive including the same. The base for a motor includes a base body having a disk disposed thereon; and a fixing part formed on the base body and slidably fitted in a female rail mounted on at least one side of a connector part mounted on a substrate to fix the base body to the substrate to which power is applied.

Abstract: There is provided a base for a hard disk drive formed by press processing, the base including: coupling parts corresponding to coupling units to be coupled to components for operating the hard disk drive and formed by depressing a predetermined region of one surface of the base to thereby protrude the predetermined region outward from the other surface thereof, wherein the coupling parts are closed by a cap member.

Abstract: There is provided a base for a motor, the base including: a mounting part having a core mounted therein, the core having a coil wound therearoud in order to generate rotational driving force of a motor; a body part extended from the mounting part in an outer diameter direction; and a first step part formed by depressing a lower surface of the body part facing the core, towards the core, and accommodating a substrate for supplying power to the coil therein and a second step part formed to be spaced apart from the first step part.

Abstract: There is provided a base for a motor, the base including: a base body formed of a steel plate through a pressing process; and an outer wall part defining an exterior of the base body, in which the outer wall part has a thickness smaller than a thickness of the steel plate in order to increase a contact area with a sealing part.

Abstract: Disclosed herein is a spindle motor including: a base provided with a rotating shaft and a fitting part coupled with a sleeve supporting the rotating shaft and provided with a protruding part protruded to the outside along a circumference of an outer peripheral surface of the fitting part. According to the present invention, the structure in which the inner diameter surface is assembled in the base can be implemented without a separate additional part and the structure in which the inner diameter surface of the core is assembled in the base can be implemented, thereby improving the rotation torque.

Abstract: Disclosed herein is a base for a hard disk drive, including: a base plate; and a side joining part formed on one side of the base plate, the side joining part including a joining hole for screw fastening, wherein the side joining part includes: a joining side spaced apart from one side of the base plate and provided with the joining hole; and side wall surfaces formed by bending both side ends of the joining side. In accordance with a preferred embodiment of the present invention, rigidity of the base can be increased by bending both side ends of the joining side of the side joining part of the base plate.