Optical pickup unit feeding apparatus and optical disc drive using the same
An optical pickup unit feeding apparatus for moving an optical pickup unit by rotation of a lead screw with a spiral groove in an optical disc drive, including a guide member combined with the optical pickup unit, the guide member including one or more contact parts engaging the spiral groove formed...
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| creator | Choi, Un-Jin |
| description | An optical pickup unit feeding apparatus for moving an optical pickup unit by rotation of a lead screw with a spiral groove in an optical disc drive, including a guide member combined with the optical pickup unit, the guide member including one or more contact parts engaging the spiral groove formed on the lead screw, applying a force to the optical pickup unit in response to the rotation of the lead screw, wherein the force moves the optical pickup; and an elastic member having a first elastic section elastically engaging the contact parts to the spiral groove, and a second elastic section forcing the contact parts not to separate from the spiral groove, wherein a spring constant of the second elastic section is greater than a spring constant of the first elastic section. |
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and an elastic member having a first elastic section elastically engaging the contact parts to the spiral groove, and a second elastic section forcing the contact parts not to separate from the spiral groove, wherein a spring constant of the second elastic section is greater than a spring constant of the first elastic section.</description><language>eng</language><creationdate>2004</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20040205795$$EPDF$$P50$$Guspatents$$Hfree_for_read</linktopdf><link.rule.ids>230,308,780,873,885,64058</link.rule.ids><linktorsrc>$$Uhttps://patentcenter.uspto.gov/applications/10635682$$EView_record_in_USPTO$$FView_record_in_$$GUSPTO$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Choi, Un-Jin</creatorcontrib><title>Optical pickup unit feeding apparatus and optical disc drive using the same</title><description>An optical pickup unit feeding apparatus for moving an optical pickup unit by rotation of a lead screw with a spiral groove in an optical disc drive, including a guide member combined with the optical pickup unit, the guide member including one or more contact parts engaging the spiral groove formed on the lead screw, applying a force to the optical pickup unit in response to the rotation of the lead screw, wherein the force moves the optical pickup; 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and an elastic member having a first elastic section elastically engaging the contact parts to the spiral groove, and a second elastic section forcing the contact parts not to separate from the spiral groove, wherein a spring constant of the second elastic section is greater than a spring constant of the first elastic section.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_uspatents_applications_20040205795 |
| source | USPTO Published Applications |
| title | Optical pickup unit feeding apparatus and optical disc drive using the same |
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