Chassis Base Supporting Transducer Carriage Patents (Class 720/689)
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Patent number: 8902723Abstract: A fixing structure of an optical component is composed of a device chassis; a holder holding an optical component; first and second plate parts for joint to the device chassis and a connecting part of both the plate parts are formed in the holder; a plurality of joint holes are formed in the second plate part; a U-groove into which the connecting part of the holder is fitted and a plurality of through-holes are formed in the device chassis; and an adhesive that is extended in a circular columnar shape and is made by inserting the holder into the U-groove of the device chassis, and applying a UV-curing adhesive in such a manner that the UV-curing adhesive is bonded to the first plate part of the holder and is continuous to the inside of the joint hole via the inside of the through-hole, and radiating UV light along the through-hole.Type: GrantFiled: November 21, 2013Date of Patent: December 2, 2014Assignee: Hitachi Media Electronics Co., Ltd.Inventors: Hiroaki Furuichi, Yasuo Amano, Teppei Tanaka, Hitoshi Sugawara, Masahiko Kamesawa
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Patent number: 8789074Abstract: An optical disc apparatus of the present invention is configured to include: a chassis which includes a supporting portion that supports an optical pickup, a pickup moving mechanism, and a disc motor, and coupling portions that are coupled to a tray at plural points, which is formed of a synthetic resin material, and in which the supporting portion and the coupling portions are integrated with each other; and a flexible flat cable which electrically couples between a first circuit substrate fixed to the bottom case side and a second circuit substrate fixed to the tray or the chassis side, and which is arranged between a bottom cover and a bottom case while its plane surface is folded in a state where the tray is inserted into an apparatus body.Type: GrantFiled: February 25, 2008Date of Patent: July 22, 2014Assignee: Hitachi-LG Data Storage, Inc.Inventors: Yosuke Ishizuka, Shinsuke Takatsuka, Koji Matsumoto
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Patent number: 8737186Abstract: A laser holder holds a semiconductor laser that has a metal frame part in which a semiconductor laser chip is mounted on one surface, and a resin part provided so as to surround the semiconductor laser chip. The laser holder is provided with an insertion part into which the semiconductor laser is inserted. The insertion part is provided with an aperture part that allows the resin part of the semiconductor laser inserted into the insertion part to be pushed from the exterior, and a wall surface part against which a reverse surface of the one surface of the metal frame part is pressed in a case where the resin part is pushed from the exterior.Type: GrantFiled: November 9, 2011Date of Patent: May 27, 2014Assignee: Funai Electric Co., Ltd.Inventor: Ryotaro Nakagawa
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Patent number: 8619537Abstract: Provided is an optical pickup device capable of preventing a soldering work from physically damaging any part of a housing of the optical pickup device. In the optical pickup device to be provided, a circuit board fixed to an LD holder and a circuit board covering a housing from below are connected via a solder joint. An inner-side part of an upper-end portion of an external sidewall of the housing located near the connecting position is cut away to form a cut surface. When a soldering iron is used to form the solder joint to connect the two circuit boards, the cut surface prevents the soldering iron from touching the external sidewall and thereby preventing this part of the external sidewall from being damaged by the soldering iron.Type: GrantFiled: June 27, 2012Date of Patent: December 31, 2013Assignee: Sanyo Electric Co., Ltd.Inventors: Takayuki Mogi, Takao Fukumoto
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Patent number: 8289693Abstract: A disk drive assembly includes a drive bracket, a disk drive, a transfer connector, and a connecting cable. The drive bracket includes a rear panel and two parallel side panels perpendicular to the rear panel. The disk drive is received in the drive bracket between the two side panels. The disk drive has a connecting port defined therein. The transfer connector is secured to the drive bracket. The transfer connector includes a first connector and a second connector capable of connecting to an electronic device. The connecting cable is connected between the connecting port and the first connector and capable of absorbing a vibration between the disk drive and the transfer connector.Type: GrantFiled: March 15, 2010Date of Patent: October 16, 2012Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventor: Zhan-Yang Li
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Publication number: 20120198485Abstract: A laser holder is used for holding a semiconductor laser, and is obtained by working of a metal sheet. The laser holder is provided with a step formed by folding of a metal sheet; and a positioning holding section capable of holding the semiconductor laser in a positioned state using the step, the positioning holding section provided on the metal sheet.Type: ApplicationFiled: January 13, 2012Publication date: August 2, 2012Inventor: Tetsuo NISHIDATE
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Patent number: 8151287Abstract: The present invention is to provide a pickup feed device to accurately position an optical pickup in place with miniaturization. The pickup device includes a lead screw attached to a movable chassis, a pickup portion, a rack member, a torsion coil spring, a projection portion, and a recess portion. The pickup portion has a case receiving the pickup. The rack member is fixed to the case. The rack portion disposed on a rack one end portion and a case one end portion are engaged with the lead screw. A rack another end portion has the abut portion abutting an inner edge portion of the movable chassis. The torsion coil spring urges the abut portion toward a case another end portion. The projection portion is disposed on the abut portion and the recess portion is disposed on the case another end portion.Type: GrantFiled: September 28, 2006Date of Patent: April 3, 2012Assignees: Pioneer Corporation, Tohoku Pioneer CorporationInventors: Noriyo Oshima, Yasuhiro Shinkai, Kuniya Satomi, Kazuyoshi Sato, Yuji Ando, Atsushi Shibuya
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Patent number: 8104053Abstract: A chassis is comprised of a resin material. A main shaft is attached to the chassis and extends in a first direction. A sheet metal frame is attached to the chassis and has an edge rail portion which extends in the first direction. The main shaft and the edge rail portion are adapted to guide the optical pickup in the first direction.Type: GrantFiled: November 14, 2007Date of Patent: January 24, 2012Assignee: Funai Electric Co., Ltd.Inventors: Makoto Masui, Takayuki Murakami
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Publication number: 20120017224Abstract: A disc player with light-sensing type loading mechanism includes a casing, a control board, a slide mechanism and a light-sensing element. The light-sensing element is adopted to serve as a switch controlling the slide mechanism to reciprocate between a loading area and a reading area. The disc to be loaded is detected by an optical manner instead of physical. The invention may increase durability of a disc player.Type: ApplicationFiled: July 16, 2010Publication date: January 19, 2012Inventor: Hung-Chi Teng
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Patent number: 8056094Abstract: An optical disc drive including an outer casing, a supporting base, a main shaft motor and a position-limiting element is provided. The outer casing has an optical disc entry. The supporting base is disposed in the outer casing. The main shaft motor is disposed on the supporting base. The position-limiting element has a first pivot portion, a position-limiting part and a second pivot portion located between the first pivot portion and the position-limiting part. The first pivot portion is connected to the supporting base, and the position-limiting element is able to be swung about the second pivot serving as a fulcrum. When the supporting base is located at an upper position, the position-limiting part is located at a first position, and when the supporting base is located at a lower position, the position-limiting part is located at a second position, wherein the first position is under the second position.Type: GrantFiled: May 13, 2009Date of Patent: November 8, 2011Assignee: Lite-On CorporationInventors: Ta-Hsiang Wang, Chien-Wei Huang, Sheng-Hsiung Chou, Wei-Min Tsao
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Publication number: 20110185376Abstract: An optical disc fixing device and an optical disc drive using the optical disc fixing device are provided. The optical disc fixing device is configured for fixing an optical disc thereto. The optical disc defines a circular mounting hole at the center portion. The optical disc fixing device includes a cylindrical clamping chassis, at least one latching piece, at least one elastic member, and a control member. The clamping chassis is substantially the same shape as the mounting hole of the optical disc and has a peripheral sidewall. The at least one latching piece together with the at least one elastic member are assembled within the clamping chassis. The control member is releasably assembled to the clamping chassis for extending the at least one latching piece from the peripheral sidewall of the clamping chassis to hold the optical disc.Type: ApplicationFiled: October 11, 2010Publication date: July 28, 2011Applicants: FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventor: ZI-MING TANG
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Patent number: 7937721Abstract: An optical disc apparatus, comprising a tray 2, attached to be insertable within housings 9 and 10, and within the housings are included a disc motor 3, an optical pickup 4 and a moving mechanism thereof, and also a unit mechanism chassis 5 for moving the optical pickup thereon and a controller substrate 71 disposed below the unit mechanism chassis for controlling the optical pickup, and further, a wide-width flexible cable 8 for electrical connection between the controller substrate and the optical pickup, wherein the optical pickup mounts laser units 41, 42 and 43 including three (3) pieces of elements, each emitting a laser light different in the wavelength thereof, a penetrating portion 2b and a wall portion 2e are provided in a part of left bottom surface of the tray, while forming a cutoff portion 55 in a part of the chassis, thereby guiding the airflow generated accompanying with rotation of the optical disc onto the optical pickup, with certainty.Type: GrantFiled: September 28, 2007Date of Patent: May 3, 2011Assignee: Hitachi-LG Data Storage, Inc.Inventors: Kenji Watabe, Ikuo Nishida, Yoichi Narui, Masahiro Matsuo, Takayuki Fujimoto
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Patent number: 7895613Abstract: A feeding device of a slot-in disk drive is disposed in a casing of the disk drive and includes a traverse. A bolt is disposed on and protrudes from a side of the traverse. A flange extends from the side of the traverse near the bolt. A pre-stressed piece is a bended elastic body. One end of the pre-stressed piece is fixed to the flange of the traverse, and the other end is fixed to the casing. The pre-stressed piece presses the traverse downward by its elastic force. A slider includes a protrusion with a groove formed on a side of the protrusion. The bolt is inserted into and slides within the groove. The groove includes an unloading end, an inserting portion and a loading end. An opening is formed on the upper surface of the slider near the inserting portion for reducing the thickness of the disk drive.Type: GrantFiled: September 19, 2007Date of Patent: February 22, 2011Assignee: Quanta Storage Inc.Inventors: Jen-Chen Wu, Guo-Wei Huang
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Publication number: 20100205624Abstract: A lever having an end rotatably supported by a rack is disposed, a long groove is formed in either another end of the lever or a base chassis and extends in a direction approximately perpendicular to a direction of transporting an optical pickup, a fulcrum member is disposed in either the base chassis or the other end and is rotatably and slidably engaged with the long groove, and to slide along the long groove when the optical pickup is transported, and a spring that always exerts a pushing force in a direction of rotating the lever with the other end being a fulcrum and with the end being a point of action to exert a pushing force of bringing the rack into contact a gear series upon the rack is disposed between a predetermined position of the base chassis and an intermediate position of the lever.Type: ApplicationFiled: August 7, 2008Publication date: August 12, 2010Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Daisuke Morimoto, Takaharu Eguchi, Tatsunori Fujiwara, Yoshifumi Awakura
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Patent number: 7757244Abstract: When a shift lever is fitted under a front part of a traverse mechanism, dampers have previously been fitted in a total of two, front-left and front-right, parts, called mount parts, of a mechanism chassis. A flat gear rotatably engages with a cylindrical sleeve protruding downward from the front-right mount part of the mechanism chassis. A feed gear in a rear part of transmission means rotatably engages with a boss protruding downward behind the sleeve, and is prevented from dropping off with a screw put from below. Now, the flat gear is, in a rear part thereof, supported by the feed gear, and is thereby prevented from dropping off.Type: GrantFiled: July 10, 2006Date of Patent: July 13, 2010Assignee: Funai Electric Co., Ltd.Inventors: Nobuyuki Okazaki, Ryuuji Hayashi
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Publication number: 20100162282Abstract: An optical-system driving device is achieved that can switch over between objective lenses and is space-saving, lightweight, and simply-configured. An optical-system driving device for recording information onto or playing it back from an optical storage medium, includes a stationary unit having a rotation axis; a movable unit pivotable about the rotation axis; pivotal movement means for pivotally moving the movable unit about the rotation axis; and the movable unit includes a holder having a plurality of optical means that is able to focus a beam of light onto the optical storage medium, and a plurality of conductive elastic members for supporting the holder, wherein an optical axis of each of the plurality of optical means is located substantially equidistant from the rotation axis, and the optical means for focusing the beam of light onto the optical storage medium is selected by pivotally moving the movable unit with the rotation means.Type: ApplicationFiled: June 5, 2006Publication date: June 24, 2010Inventors: Keiji Nakamura, Mitoru Yabe, Nobuo Takeshita, Toshiya Matozaki
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Publication number: 20100153980Abstract: In a conventional optical-means driving device mounting a plurality of objective lenses, a lens holder is provided with introduction holes to serve thereinto inner yokes, so that it has been difficult to enhance stiffness and to increase secondary resonance. The optical-means driving device according to the present invention includes a holder for holding a plurality of optical means each of which focuses on an optical disk a light beam outputted from a light source, focusing coils, and tracking coils; a plurality of elastic support members for supporting the holder so as to be movable in an approximately radial direction of the optical disk and in an approximately perpendicular direction to the optical disk; and a base for holding inner yokes placed inside the holder, and magnets that generate magnetic fields with respect to the focusing coils and to the tracking coils; as for the optical-means driving device, the top face of the holder has a closed structure over the inner yokes.Type: ApplicationFiled: January 22, 2007Publication date: June 17, 2010Inventors: Mitoru Yabe, Keiji Nakamura
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Patent number: 7581236Abstract: A chucking method of a disk apparatus comprising a chassis outer sheath including a base body 10 and a lid 130, in which a front surface of the chassis outer sheath is formed with a disk inserting opening 11 into which a disk is directly inserted, a traverse 30 provided on the base body 10 holds a spindle motor 31A and a pickup 32, a slider mechanism 51 is disposed on one end side of the traverse 30, the slider mechanism 51 includes a cam mechanism which moves one end of the traverse 30 toward and away from the base body 10, and a slider cam mechanism 51 which moves the traverse 30 in an inserting/discharging direction of the disk, the other end of the traverse 30 is supported on the base body 10 by a fixing cam 34A, 34B, 36A, 36B, and the traverse 30 is moved by the slider cam mechanism 51 in the inserting/discharging direction of the disk and with this, the fixing cam moves the other end of the traverse 30 toward and away from the base body 10.Type: GrantFiled: October 5, 2004Date of Patent: August 25, 2009Assignee: Panasonic CorporationInventors: Koujiro Matsushita, Shinichi Wada
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Patent number: 7577969Abstract: The present invention relates to an antistatic structure for an optical disc device. An optical pick-up unit module of an optical disk device is installed on a chassis and the chassis is movably installed in a lower cover of the device. Furthermore, the antistatic structure includes at least one upper connecting portion capable of contacting with the optical pick-up unit module and at least one lower connecting portion capable of contacting with the lower cover. Whereby, the static electricity generated by the optical pick-up unit module can be conducted to the lower cover through the upper and lower connecting portions so as to attain the antistatic discharge (ESD) protection effectively.Type: GrantFiled: June 24, 2005Date of Patent: August 18, 2009Assignee: Lite-On It CorporationInventors: Jung Fu Chen, In Shuen Lee, Chun Jen Tseng, Chih Chung Hsieh, Jeng Wen Huang
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Publication number: 20090089820Abstract: According to one embodiment, an optical disc apparatus includes a main frame, a medium drive unit, and an ascent/descent retaining member which supports the medium drive unit for ascent and descent. The ascent/descent retaining member includes a pair of arm portions, a connecting portion, and pivotal portions supported on the sidewalls, individually. One of the front wall of the main frame and the connecting portion integrally has a guide boss projecting toward the other of them and a press projection which is elastically deformable in a direction in which the connecting portion extends. The other of the front wall and the connecting portion has a guide groove which extends in the ascent and descent direction and is engaged with the guide boss, and a guide rib having a guide surface for deforming the press projection to generate an elastic force and provided adjacent to the guide groove.Type: ApplicationFiled: August 21, 2008Publication date: April 2, 2009Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takamasa Kurafuji, Atsushi Osada
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Publication number: 20090083776Abstract: A disk device includes: a traverse chassis, one end of which is configured to be movable between a first position and a second position in a first direction; a cam member, formed with a cam groove configured to move in a second direction orthogonal to the first direction and having a first end and a second end; a cam follower fitted with the cam groove so as to be movable between the first end and the second end in accordance with the movement of the cam member; a guide member, having a guide face configured to guide the cam follower in the first direction in cooperation with the cam member; and an urging member, configured to urge the cam follower against an inner wall of the cam groove and the guide face when the cam follower is placed in the first end.Type: ApplicationFiled: September 18, 2008Publication date: March 26, 2009Inventors: Ryuuji Hayashi, Katsuo Ichinohe
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Publication number: 20090064216Abstract: In order to make a unit mechanical portion lighter and to cut down the cost of the unit mechanical portion in an optical disc apparatus, the optical disc apparatus of the present invention is configured to include: a chassis which includes a supporting portion that supports an optical pickup, a pickup moving mechanism, and a disc motor, and coupling portions that abut on and are coupled to a tray at plural points, which is formed of a synthetic resin material, and in which the supporting portion and the coupling portions are integrated with each other; and a flexible flat cable which electrically couples between a first circuit substrate fixed to the bottom case side and a second circuit substrate fixed to the tray or the chassis side, and which is arranged between a bottom cover and a bottom case while its plane surface is folded in a state where the tray is inserted into an apparatus body.Type: ApplicationFiled: February 25, 2008Publication date: March 5, 2009Inventors: Yosuke Ishizuka, Shinsuke Takatsuka, Koji Matsumoto
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Publication number: 20080104623Abstract: A feeding device of a slot-in disk drive is disposed in a casing of the disk drive and includes a traverse. A bolt is disposed on and protrudes from a side of the traverse. A flange extends from the side of the traverse near the bolt. A pre-stressed piece is a bended elastic body. One end of the pre-stressed piece is fixed to the flange of the traverse, and the other end is fixed to the casing. The pre-stressed piece presses the traverse downward by its elastic force. A slider includes a protrusion with a groove formed on a side of the protrusion. The bolt is inserted into and slides within the groove. The groove includes an unloading end, an inserting portion and a loading end. An opening is formed on the upper surface of the slider near the inserting portion for reducing the thickness of the disk drive.Type: ApplicationFiled: September 19, 2007Publication date: May 1, 2008Applicant: QUANTA STORAGE INC.Inventors: Jen-Chen Wu, Guo-Wei Huang
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Patent number: 7131130Abstract: The invention is a pickup mounting structure capable of executing with precision, positioning and moving position control of a pickup mounted on a base plate member, even if the thickness of the base plate member is rendered smaller. With the pickup mounting structure, a substantially rectangular opening is provided in the central part of a base plate member made of metal, and a rib is formed around the entire periphery of the opening. A holder formed integrally with the rib is provided in the central part of the opening so as to bridge across the opening, and a cable fixture member made of a synthetic resin is fitted to a flat plate part of the holder, which is rectangular. The cable fixture member is provided with pawls in such a way as to be protruded therefrom, and a cable bent substantially at a right angle is fitted among the pawls.Type: GrantFiled: February 5, 2004Date of Patent: October 31, 2006Assignee: Orion Electric Co., Ltd.Inventors: Hirotoshi Hara, Yoshiharu Kagawa, Shinji Mitamura
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Patent number: 7036134Abstract: A reflecting mirror and an optical bench are placed on an external jig provided with a mirror holding portion for maintaining the reflecting mirror, and then the reflecting mirror and the optical bench are bonded and fixed, thus obtaining an optical head. An adhesion reference plane for the reflecting mirror is no longer required in the optical bench, thus reducing the size and cost of the optical bench. The mounting precision is high and stable. Further, the reflecting mirror is bonded and fixed at the vicinities of the approximate centers of its two opposed side faces and therefore the variation in orientation of the reflecting mirror due to expansion or contraction of an adhesive is lessened, thus achieving a highly-reliable optical head excellent in environmental stability characteristics.Type: GrantFiled: October 14, 2004Date of Patent: April 25, 2006Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hideki Nakata, Hironori Tomita, Hideki Aikoh, Kenichi Miyamori, Takuya Wada
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Patent number: 6865743Abstract: A reflecting mirror and an optical bench are placed on an external jig provided with a mirror holding portion for maintaining the reflecting mirror, and then the reflecting mirror and the optical bench are bonded and fixed, thus obtaining an optical head. An adhesion reference plane for the reflecting mirror is no longer required in the optical bench, thus reducing the size and cost of the optical bench. The mounting precision is high and stable. Further, the reflecting mirror is bonded and fixed at the vicinities of the approximate centers of its two opposed side faces and therefore the variation in orientation of the reflecting mirror due to expansion or contraction of an adhesive is lessened, thus achieving a highly-reliable optical head excellent in environmental stability characteristics.Type: GrantFiled: November 19, 2003Date of Patent: March 8, 2005Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hideki Nakata, Hironori Tomita, Hideki Aikoh, Kenichi Miyamori, Takuya Wada
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Publication number: 20040255312Abstract: A disk apparatus has a tilting mechanism including an insulating resin cap that is attached in such a way as to cover an end portion of a metallic shaft and that has insulation performance, a metallic adjusting screw attached to a chassis in such a way as to abut against a bottom surface of the insulating cap attached to the shaft for moving the end portion of the shaft in an upward/downward direction, a resin shaft receiving pedestal that is attached to the chassis and that supports the end portion of the shaft movably in an upward/downward direction, and a metallic leaf spring that is attached to the shaft receiving pedestal, that abuts against an upper surface of the insulating cap attached to the shaft and that pushes the insulating cap in such a way as to press the insulating cap attached to the shaft against the adjusting screw.Type: ApplicationFiled: March 23, 2004Publication date: December 16, 2004Applicant: FUNAI ELECTRIC CO.,LTD.Inventor: Katsunori Onishi
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Publication number: 20040163095Abstract: The invention is intended to provide a pickup mounting structure capable of executing with precision positioning and moving position control of a pickup mounted on a base plate member even if the thickness of the base plate member is rendered smaller, and further, capable of easily forming a holder for reliably holding a wiring cable connected to the pickup. With the pickup mounting structure, an opening substantially rectangular in shape is provided in the central part of a base plate member made of metal, and a rib is formed around the entire periphery of the opening. A holder formed integrally with the rib is provided in the central part of the opening so as to bridge across the opening, and a cable fixture member made of a synthetic resin is fitted to a flat plate part of the holder, rectangular in shape. The cable fixture member is provided with pawls in such a way as to be protruded therefrom, and a cable bent substantially at a right angle is fitted among the pawls.Type: ApplicationFiled: February 5, 2004Publication date: August 19, 2004Inventors: Hirotoshi Hara, Yoshiharu Kagawa, Shinji Mitamura
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Publication number: 20040154033Abstract: An inventive optical pickup includes: a base; a movable part; a fixed part; and a first yoke. The movable part, fixed part and first yoke are provided over the base. The movable part is provided with: a hologram element; a package equipped with a laser/photodetectors integrated element in which a semiconductor laser and photodetectors are integrated; and an objective lens. A magnet is provided on each of second yokes provided on the base, and a heat dissipating medium is provided in a gap between a package metal section of the package and another magnet.Type: ApplicationFiled: January 23, 2004Publication date: August 5, 2004Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Kazutoshi Onozawa, Daisuke Ueda
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Publication number: 20040103421Abstract: A reflecting mirror and an optical bench are placed on an external jig provided with a mirror holding portion for maintaining the reflecting mirror, and then the reflecting mirror and the optical bench are bonded and fixed, thus obtaining an optical head. An adhesion reference plane for the reflecting mirror is no longer required in the optical bench, thus reducing the size and cost of the optical bench. The mounting precision is high and stable. Further, the reflecting mirror is bonded and fixed at the vicinities of the approximate centers of its two opposed side faces and therefore the variation in orientation of the reflecting mirror due to expansion or contraction of an adhesive is lessened, thus achieving a highly-reliable optical head excellent in environmental stability characteristics.Type: ApplicationFiled: November 19, 2003Publication date: May 27, 2004Applicant: Matsushita Electric Industrial Co., Ltd.Inventors: Hideki Nakata, Hironori Tomita, Hideki Aikoh, Kenichi Miyamori, Takuya Wada