SPINDLE MOTOR
PROBLEM TO BE SOLVED: To provide a spindle motor.SOLUTION: A spindle motor comprises a rotating body which includes a sleeve part disposed between a thrust member and a flange part of a shaft, a connection part extended from the sleeve part to be formed, and a rotor hub part extended from the connec...
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| creator | HAN HOON HEE CHEONG SHIN YOUNG |
| description | PROBLEM TO BE SOLVED: To provide a spindle motor.SOLUTION: A spindle motor comprises a rotating body which includes a sleeve part disposed between a thrust member and a flange part of a shaft, a connection part extended from the sleeve part to be formed, and a rotor hub part extended from the connection part to be formed. In the spindle motor, when the shortest distance between the thrust member and a bonding part of the shaft is L1, the shortest distance between the thrust member and an installation part of a base member is L2, a thickness of a recording disk drive unit is H, a vertical distance from the uppermost surface of the thrust member to the lowermost surface thereof is h1, a thickness of the flange part is h2, a vertical distance in an axial direction from the upper surface of the flange part to the upper end of the bonding part is h3, and an angle between a line extended from an outer peripheral surface of the thrust member and a connection line having a smaller value between L1 and L2 is , and when a thickness of the connection part is determined by a smaller value between L1 and L2, a condition of 0.5 mm |
| format | Patent |
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In the spindle motor, when the shortest distance between the thrust member and a bonding part of the shaft is L1, the shortest distance between the thrust member and an installation part of a base member is L2, a thickness of a recording disk drive unit is H, a vertical distance from the uppermost surface of the thrust member to the lowermost surface thereof is h1, a thickness of the flange part is h2, a vertical distance in an axial direction from the upper surface of the flange part to the upper end of the bonding part is h3, and an angle between a line extended from an outer peripheral surface of the thrust member and a connection line having a smaller value between L1 and L2 is , and when a thickness of the connection part is determined by a smaller value between L1 and L2, a condition of 0.5 mm<min{L1, L2}<{(H-0.3)-(h1+h2+h3)}/cos can be satisfied.</description><language>eng</language><subject>BEARINGS ; BLASTING ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; DYNAMO-ELECTRIC MACHINES ; ELECTRICITY ; ELEMENTS OR CRANKSHAFT MECHANISMS ; ENGINEERING ELEMENTS AND UNITS ; FLEXIBLE SHAFTS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; GENERATION ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; ROTARY BODIES OTHER THAN GEARING ELEMENTS ; SHAFTS ; THERMAL INSULATION IN GENERAL ; WEAPONS</subject><creationdate>2014</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140925&DB=EPODOC&CC=JP&NR=2014180190A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140925&DB=EPODOC&CC=JP&NR=2014180190A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HAN HOON HEE</creatorcontrib><creatorcontrib>CHEONG SHIN YOUNG</creatorcontrib><title>SPINDLE MOTOR</title><description>PROBLEM TO BE SOLVED: To provide a spindle motor.SOLUTION: A spindle motor comprises a rotating body which includes a sleeve part disposed between a thrust member and a flange part of a shaft, a connection part extended from the sleeve part to be formed, and a rotor hub part extended from the connection part to be formed. In the spindle motor, when the shortest distance between the thrust member and a bonding part of the shaft is L1, the shortest distance between the thrust member and an installation part of a base member is L2, a thickness of a recording disk drive unit is H, a vertical distance from the uppermost surface of the thrust member to the lowermost surface thereof is h1, a thickness of the flange part is h2, a vertical distance in an axial direction from the upper surface of the flange part to the upper end of the bonding part is h3, and an angle between a line extended from an outer peripheral surface of the thrust member and a connection line having a smaller value between L1 and L2 is , and when a thickness of the connection part is determined by a smaller value between L1 and L2, a condition of 0.5 mm<min{L1, L2}<{(H-0.3)-(h1+h2+h3)}/cos can be satisfied.</description><subject>BEARINGS</subject><subject>BLASTING</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>DYNAMO-ELECTRIC MACHINES</subject><subject>ELECTRICITY</subject><subject>ELEMENTS OR CRANKSHAFT MECHANISMS</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FLEXIBLE SHAFTS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>GENERATION</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>ROTARY BODIES OTHER THAN GEARING ELEMENTS</subject><subject>SHAFTS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOANDvD0c_FxVfD1D_EP4mFgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8V4BRgaGJoYWBoaWBo7GRCkCAOgjHRw</recordid><startdate>20140925</startdate><enddate>20140925</enddate><creator>HAN HOON HEE</creator><creator>CHEONG SHIN YOUNG</creator><scope>EVB</scope></search><sort><creationdate>20140925</creationdate><title>SPINDLE MOTOR</title><author>HAN HOON HEE ; CHEONG SHIN YOUNG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2014180190A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2014</creationdate><topic>BEARINGS</topic><topic>BLASTING</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>DYNAMO-ELECTRIC MACHINES</topic><topic>ELECTRICITY</topic><topic>ELEMENTS OR CRANKSHAFT MECHANISMS</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FLEXIBLE SHAFTS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>GENERATION</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>ROTARY BODIES OTHER THAN GEARING ELEMENTS</topic><topic>SHAFTS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>HAN HOON HEE</creatorcontrib><creatorcontrib>CHEONG SHIN YOUNG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HAN HOON HEE</au><au>CHEONG SHIN YOUNG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SPINDLE MOTOR</title><date>2014-09-25</date><risdate>2014</risdate><abstract>PROBLEM TO BE SOLVED: To provide a spindle motor.SOLUTION: A spindle motor comprises a rotating body which includes a sleeve part disposed between a thrust member and a flange part of a shaft, a connection part extended from the sleeve part to be formed, and a rotor hub part extended from the connection part to be formed. In the spindle motor, when the shortest distance between the thrust member and a bonding part of the shaft is L1, the shortest distance between the thrust member and an installation part of a base member is L2, a thickness of a recording disk drive unit is H, a vertical distance from the uppermost surface of the thrust member to the lowermost surface thereof is h1, a thickness of the flange part is h2, a vertical distance in an axial direction from the upper surface of the flange part to the upper end of the bonding part is h3, and an angle between a line extended from an outer peripheral surface of the thrust member and a connection line having a smaller value between L1 and L2 is , and when a thickness of the connection part is determined by a smaller value between L1 and L2, a condition of 0.5 mm<min{L1, L2}<{(H-0.3)-(h1+h2+h3)}/cos can be satisfied.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BEARINGS BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING LIGHTING MECHANICAL ENGINEERING ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS |
| title | SPINDLE MOTOR |
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