News Column

Patent Issued for Disk Loading Apparatus for Optical Disk Drive

September 9, 2014



By a News Reporter-Staff News Editor at Journal of Technology -- According to news reporting originating from Alexandria, Virginia, by VerticalNews journalists, a patent by the inventors Ko, Joung-sug (Seoul, KR); Baek, Sang-yun (Seongnam-si, KR); Choi, Un-jin (Suwon-si, KR); Ahn, Cheol-woong (Seoul, KR), filed on October 18, 2012, was published online on August 26, 2014.

The assignee for this patent, patent number 8819709, is Toshiba Samsung Storage Technology Korea Corporation (Suwon-si, KR).

Reporters obtained the following quote from the background information supplied by the inventors: "The following description relates to an optical disk drive, and more particularly, to a frame base of a slot-in optical disk drive.

"In general, a slot-in optical disk drive loads a disk without the help of a tray. The slot-in optical disk drive typically includes a disk loading structure that has a complicated structure which includes a plurality of levers are to load a disk. It is desirable for the disk loading structure to safely transport a disk, and be economical at the same time. To safely load the disk, the disk loading structure should have a stable structure, be formed with a small number of components, and be easy to assemble.

"Accordingly, a frame base that is strong, cost-effective, and that is easy to assemble is desirable."

In addition to obtaining background information on this patent, VerticalNews editors also obtained the inventors' summary information for this patent: "In an aspect, there is provided a disk loading apparatus including a frame base on which a spindle motor is mounted, a disk loading structure comprising a gear unit which includes a loading lever that loads a disk on the spindle motor, a plurality of sliders operating in connection with the loading lever, a loading motor that provides motive power to the plurality of sliders, and a plurality of gears transferring the motive power of the loading motor to the plurality of sliders, a plurality of shafts to which the plurality of gears are rotatably coupled, the plurality of shafts being integrally formed with the frame base, and a plurality of slider guide walls that guide movement of the plurality of sliders, the plurality of slider guide walls being integrally formed with the frame base.

"The plurality of sliders may comprise a main slider that operates in direct connection with the gear unit, and a sub-slider that is disposed perpendicular to the main slider and operates in connection with the main slider.

"The disk loading apparatus may further comprise a disk guide wall that is disposed at a side of the frame base to guide a loading of the disk, a rotating-type disk centering lever that is disposed adjacent to the disk guide wall to center an inserted disk with respect to the spindle motor, a disk eject lever to unload the disk that is loaded on the spindle motor, at a back of the frame base, and a shaft that supports rotation of the disk eject lever, wherein the shaft is integrally formed with the frame base.

"The disk centering lever may comprise a shaft that is coupled to the frame base and an operating wall body that contacts and becomes separated from an edge portion of the disk.

"The frame base may be formed of plastic.

"In an aspect, there is provided an optical disk drive including a frame base, a sub-frame that is rotatably installed with respect to the frame base in a direction perpendicular to a plane of the frame base, a spindle motor mounted on the sub-frame, an optical pickup unit installed on the sub-frame at a side of the spindle motor, a disk loading structure comprising a gear unit including a loading lever that loads a disk on the spindle motor, a plurality of sliders operating in connection with the loading lever, a loading motor that provides motive power to the plurality of sliders, and a plurality of gears transferring the motive power to the plurality of sliders, a plurality of shafts to which the gears are rotatably coupled, the plurality of shafts being integrally formed with the frame base, and a plurality of slider guide walls that guide movement of the plurality of sliders, the plurality of slider guide walls being formed integrally with the frame base.

"The plurality of sliders may comprise a main slider that operates in direct connection with the gear unit, and a sub-slider that is disposed perpendicular to the main slider and operates in connection with the main slider.

"The optical disk drive may further comprise a disk guide wall that is disposed at a side of the frame base to guide a loading of the disk, a rotating-type disk centering lever that is disposed adjacent to the disk guide wall to center an inserted disk with respect to the spindle motor, a disk eject lever to unload the disk loaded on the spindle motor at a back of the frame base, and a shaft that supports rotation of the disk eject lever, wherein the shaft is integrally formed with the frame base.

"The disk centering lever may comprise a shaft that is coupled to the frame base and an operating wall body that contacts or is separated from an edge portion of the disk.

"The frame base may be formed of plastic.

"In an aspect, there is provided a frame base for a slot-in optical disk drive that includes an optical disk loading structure which has a plurality of sliding members for guiding the centering of a disk that is inserted and a plurality of levers for loading and unloading the disk, the frame base including a slider guide wall for controlling the movement of the plurality of sliding members for guiding the centering of the disk that is inserted, and a plurality of gear shafts for receiving gears of the respective plurality of levers, wherein the frame base, the slider guide wall, and the plurality of gear shafts are integrally formed as a single component.

"The body of the frame base may be formed of plastic.

"The frame base may further comprise a spindle that is integrally formed with the frame base.

"The frame base may further comprise a disk guide wall integrally formed with the frame based, and configured to guide a first portion of an edge of the disk that is being inserted, wherein the plurality of sliding members are configured to guide another portion of the edge of the disk that is being inserted.

"The frame base, the slider guide wall, and the plurality of gear shafts may be manufactured to be the single component.

"Other features and aspects may be apparent from the following detailed description, the drawings, and the claims."

For more information, see this patent: Ko, Joung-sug; Baek, Sang-yun; Choi, Un-jin; Ahn, Cheol-woong. Disk Loading Apparatus for Optical Disk Drive. U.S. Patent Number 8819709, filed October 18, 2012, and published online on August 26, 2014. Patent URL: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=8819709.PN.&OS=PN/8819709RS=PN/8819709

Keywords for this news article include: Technology, Toshiba Samsung Storage Technology Korea Corporation.

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Source: Journal of Technology


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