[특허]Disc drive actuator incorporating injection molding, flying leads, and locking flanges

Disc drive actuator incorporating injection molding, flying leads, and locking flanges 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G11B-005/54 G11B-021/08
출원번호	US-0622616 (1996-03-26)
발명자 / 주소	Jabbari Iraj Phillips Brian L. Bonn Brian T. Kim Chul Soo Maiers Michael A. Gauger Mark E.
출원인 / 주소	Seagate Technology, Inc.
대리인 / 주소	Flehr Hohbach Test Albritton & Herbert LLP
인용정보	피인용 횟수 : 22 인용 특허 : 0

초록 ▼

The present invention provides an improved actuator arm assembly including scalloped locking flanges with indentations for longitudinal, perpendicular, and torsional support, an injection molding for precisely locating and fixing a motor coil bobbin, motor coil wires, magnetic latch striker plate, and a crash stop to an actuator arm. Apertures on the actuator arm allow the plastic molding to pass through and lock the actuator arm to the motor coil bobbin together. The magnetic latch striker plate fixably parks the actuator arm in the disc drive assembly. Locating apertures of various shapes in the motor coil bobbin adds further stability and aids in interlocking the plastic molds around the motor coil bobbin. Furthermore, to reduce the height of the disc drive, protect the lead wires from being unduly stressed during the formation of the mold, and increase wire strength to tolerate stresses during testing and assembly, another embodiment of the invention utilizes insulating sleeves around the lead wires. Thus, after forming the lead coils from a molded coil mounted at the rear of an actuator arm, the two lead wires from either end of the coil are led out from the end of the coil, and plastic tubes are slid over the wires up to a point closely adjacent the wound coil. The wound coil is then molded, fixing its shape and holding it in place on the rear of the actuator arm.

대표청구항 ▼

[ We claim:] [1.] A disc drive assembly comprising:a spindle motor assembly for supporting and rotating a disc;an actuator arm for supporting a transducer having two complementary flanges at an end region, the end region located near a voice coil motor assembly;the voice coil motor assembly for moving the actuator arm assembly;motor control electronics having a printed circuit cable for transmitting control signals to the voice coil motor assembly and data signals to the transducer; anda coil portion located at the end region of the actuator arm substantially between the complementary flanges including,a single wire wound in a prescribed shape and having input and output leads extending away from said coil portion, andinterfacing means including individual tubes of insulating and reinforcing material over each of said input and output leads in regions extending from closely adjacent said coil portion to an edge of one of said complementary flanges distal from said coil portion, said individual tubes to allow for direct connections between said coil portion input and output leads and said printed circuit cable, to protect said input and output leads from unnecessary flexing during testing and assembly of said actuator arm, to insulate said input and output leads from each other, and to minimize the height of the disc drive, anda molded piece surrounding and supporting said coil portion in a defined shape, said molding piece attaching said coil portion to said complementary flanges of said actuator arm to hold said coil portion in place, said molded piece extending at least partially over said insulating and reinforcing tubes for said input and output leads, and wherein said molded piece extends over said flanges of said actuator arm.

이 특허를 인용한 특허 (22)

Tsujino Hitoshi,JPX ; Ohta Mutsuro,JPX ; Albrecht David W., Actuator arm assembly and wiring aparatus used in a disk storage system for wiring voice coil wires to a flex cable.
상세보기
Kant, Rishi; Chang, Alexander W.; Speckmann, Steven R., Actuator assembly for a disc drive having shell extensions.
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Zhao, Leon; Koester, David D., Actuator assembly with enhanced bonding surface for bonding a voice coil to a yoke.
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Takashima, Tetsuya, Actuator for disk device.
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Choi,Il yeon, Actuator for hard disk drive having a reinforced structure.
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Golgolab,Arman V.; Tsay,Alex Y., Actuator including a coil and a wrap-around support supporting a tang.
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Cho Jong-Min,KRX, Actuator of hard disk drive having improved bobbin.
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McDonald,Michael, Air cleaner.
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Angellotti Thomas J., Carriage assembly with components molded to a carriage body.
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Fruge,Tave; Morton,Todd; Brause,Dave, Dovetails for positive retention in an over-molded actuator.
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Fruge,Tave; Morton,Todd; Brause,Dave, Dovetails for positive retention in an over-molded actuator.
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Watanabe, Masashi, Electrical connection for the actuator coil of a magnetic disk drive.
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Brause, David D.; Morton, Todd M.; Fruge, Tave J., Fixtureless manufacture of bonded actuator/coil assemblies.
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Foisy Gregory G. ; Larson Nils Eric ; Narayan Sudha ; Sancheti Ajit Fathailal ; Edwards John, Head stack assembly for a disk drive having a unitary molded plastic E-block.
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Butler Walter W. ; Hassibi Payman ; Ogle Tami, Magnetic disk drive having a VCM plate which includes an elongated protrusion for securing a flex clamp to the base.
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Teo, Joo Yong; Jierapipatanakul, Niroot; Chee, WaiOnn; Ong, BoonSeng, Method for making a data storage device.
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Angellotti, Thomas J., Method of making a carriage assembly for a disk drive.
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Cho,Won Ik; Ryoo,Byung Ryul; Jun,Jong Ha; Jang,Dae Jong; Kang,Hyung Joo; Song,Byung Youn, Molded coil device for actuator of disc drive.
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Dave Paul McReynolds ; Carl Douglas Hutchings, Overmolding stiffening technique and structure.
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Ho,Yiu Sing; Lu,Guo Hong; Chen,Can Hua; Luo,Yuan Neng; Wang,Jeffrey L.; Zhang,Liu Jun, System and method for improving hard drive actuator lead attachment.
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MacKinnon, Roy John; Wittig, Larry Ernest; Haynes, Jonathan Scott, Vibration damper for actuator assembly.
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Beatty Paul A. ; Wong Walter ; Staggers James, Voice coil motor actuator vibration isolator.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Disc drive actuator incorporating injection molding, flying leads, and locking flanges 원문보기

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Disc drive actuator incorporating injection molding, flying leads, and locking flanges 원문보기

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이 특허를 인용한 특허 (22)

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