Patents by Inventor Drew B. Lawson
Drew B. Lawson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10580451Abstract: A disc cassette includes a curved portion. The curved portion includes multiple ribs that define multiple disc slots. The disc slots are configured to hold multiple discs that are spaced apart by the ribs. The disc cassette further includes multiple index features positioned on an inside edge of the curved portion. The index features are configured to allow alignment of a kicker device of a disc retrieval unit (DRU) to a disc of the disc cassette to lift the disc into a disc gripper device without disturbing one or more other discs of the disc cassette that are adjacent to the disc.Type: GrantFiled: June 28, 2019Date of Patent: March 3, 2020Assignee: International Business Machines CorporationInventors: David J. Altknecht, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson, Daniel F. Smith
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Publication number: 20190325911Abstract: A disc cassette includes a curved portion configured to hold multiple discs. A platform portion abuts the curved portion. A movable bale is configured to maintain discs securely in the disc cassette except when rotated off the discs.Type: ApplicationFiled: June 28, 2019Publication date: October 24, 2019Inventors: David J. Altknecht, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson, Daniel F. Smith
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Patent number: 10438629Abstract: A disc cassette includes a curved portion configured to hold multiple discs. The disc cassette further includes a bottom side including track connectors configured to position the disc cassette relative to one or more track portions that hold the disc cassette in place. The disc cassette is slideable along the one or more track portions.Type: GrantFiled: December 27, 2018Date of Patent: October 8, 2019Assignee: International Business Machines CorporationInventors: David J. Altknecht, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson, Daniel F. Smith
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Publication number: 20190130939Abstract: A disc cassette includes a curved portion configured to hold multiple discs. A platform portion abuts the curved portion. A movable bale is configured to maintain discs securely in the disc cassette except when rotated off the discs.Type: ApplicationFiled: December 27, 2018Publication date: May 2, 2019Inventors: David J. Altknecht, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson, Daniel F. Smith
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Patent number: 10242705Abstract: A disc cassette includes a curved portion configured to hold multiple discs. A platform portion abuts the curved portion. A movable bale is configured to maintain discs securely in the disc cassette except when rotated off the discs.Type: GrantFiled: March 20, 2018Date of Patent: March 26, 2019Assignee: International Business Machines CorporationInventors: David J. Altknecht, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson, Daniel F. Smith
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Patent number: 10186295Abstract: An apparatus includes a first jaw device, a second jaw device, and a disc sensor configured to sense presence of a storage disc between the first jaw device and the second jaw device. The first jaw device and the second jaw device form a gripper device configured to clamp a particular portion of a storage disc including an arc segment along an outer edge of adjacent surfaces of the storage disc.Type: GrantFiled: April 21, 2017Date of Patent: January 22, 2019Assignee: International Business Machines CorporationInventors: David J. Altknecht, John S. Best, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson, Daniel F. Smith
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Publication number: 20180211691Abstract: A disc cassette includes a curved portion configured to hold multiple discs. A platform portion abuts the curved portion. A movable bale is configured to maintain discs securely in the disc cassette except when rotated off the discs.Type: ApplicationFiled: March 20, 2018Publication date: July 26, 2018Inventors: David J. Altknecht, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson, Daniel F. Smith
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Patent number: 9984722Abstract: A disc cassette includes a curved portion configured to hold multiple discs. A platform portion abuts the curved portion. A movable bale is configured to maintain discs securely in the disc cassette.Type: GrantFiled: March 10, 2017Date of Patent: May 29, 2018Assignee: International Business Machines CorporationInventors: David J. Altknecht, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson, Daniel F. Smith
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Patent number: 9741389Abstract: An apparatus includes one or more disc media cassettes configured to store multiple disc-based media. Multiple disc drives are configured to read and write data to the multiple disc-based media. A robotic delivery device is configured to transport a selected disc-based media to and from at least one disc drive of the multiple disc drives, and to transport the selected disc-based media directly to a spindle on the at least one disc drive.Type: GrantFiled: February 17, 2016Date of Patent: August 22, 2017Assignee: International Business Machines CorporationInventors: David J. Altknecht, John S. Best, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson, Daniel F. Smith
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Patent number: 9741390Abstract: An optical disc drive includes a spindle connected to an optical assembly. A disc clamp device is configured to hold an optical disc on the spindle. A contiguous opening on at least two adjacent sides in a plane of a disc mount position intersect at a common corner of the optical disc drive.Type: GrantFiled: March 23, 2016Date of Patent: August 22, 2017Assignee: International Business Machines CorporationInventors: David J. Altknecht, John S. Best, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson, Daniel F. Smith
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Publication number: 20170236544Abstract: A disc cassette includes a curved portion configured to hold multiple discs. A platform portion abuts the curved portion. A movable bale is configured to maintain discs securely in the disc cassette.Type: ApplicationFiled: March 10, 2017Publication date: August 17, 2017Inventors: David J. Altknecht, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson, Daniel F. Smith
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Publication number: 20170232619Abstract: An apparatus includes a first jaw device, a second jaw device, and a disc sensor configured to sense presence of a storage disc between the first jaw device and the second jaw device. The first jaw device and the second jaw device form a gripper device configured to clamp a particular portion of a storage disc including an arc segment along an outer edge of adjacent surfaces of the storage disc.Type: ApplicationFiled: April 21, 2017Publication date: August 17, 2017Inventors: David J. Altknecht, John S. Best, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson, Daniel F. Smith
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Publication number: 20170236545Abstract: An apparatus includes one or more disc media cassettes configured to store multiple disc-based media. Multiple disc drives are configured to read and write data to the multiple disc-based media. A robotic delivery device is configured to transport a selected disc-based media to and from at least one disc drive of the multiple disc drives, and to transport the selected disc-based media directly to a spindle on the at least one disc drive.Type: ApplicationFiled: February 17, 2016Publication date: August 17, 2017Inventors: David J. Altknecht, John S. Best, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson, Daniel F. Smith
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Patent number: 9672863Abstract: An apparatus includes a motor configured to drive a driving element within a housing. A caliper is connected to the housing and configured to force a first jaw device toward a second jaw device based on movement of the driving element. A disc sensor is configured to sense presence of a storage disc and to limit insertion travel of a storage disc between the first jaw device and the second jaw device. The first jaw device and the second jaw device form a gripper device configured to clamp a particular portion of a storage disc.Type: GrantFiled: February 17, 2016Date of Patent: June 6, 2017Assignee: International Business Machines CorporationInventors: David J. Altknecht, John S. Best, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson, Daniel F. Smith
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Patent number: 9633686Abstract: A disc cassette includes a curved portion configured to hold multiple discs and a platform portion abuts the curved portion. The platform portion and the curved portion each include multiple rib pairs configured to separate adjacent discs from touching one another, and to form a disc slot between each rib pair. Disc slots of the platform portion of the disc cassette are configured to provide a guide for disc removal from the disc cassette.Type: GrantFiled: February 17, 2016Date of Patent: April 25, 2017Assignee: International Business Machines CorporationInventors: David J. Altknecht, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson, Daniel F. Smith
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Patent number: 7898770Abstract: A disk drive suspension assembly includes a load beam, a first hinge arm, a second hinge arm, a base plate, and a flexure that includes a head mounting surface. The base plate has a first base plate layer that includes a first base plate side and an opposing second base plate side. The first base plate side has a main base plate surface and a recessed base plate surface parallel to and offset from the main base plate surface. A first hinge arm is attached to the main base plate surface. A second hinge arm is attached to the recessed base plate surface. The first and second hinge arms are attached to the load beam. The base plate has a first thickness at the main base plate surface and a second thickness at the recessed base plate surface that is the same as the first thickness.Type: GrantFiled: May 18, 2010Date of Patent: March 1, 2011Assignee: Western Digital Technologies, Inc.Inventors: Yiduo Zhang, Yih-Jen D. Chen, Martin J. McCaslin, Tzong-Shii Pan, Drew B. Lawson
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Patent number: 7567410Abstract: A flexure is provided for a HGA suspension. The flexure includes a metal base layer, a trace layer, and a dielectric layer disposed between the trace and base layers. The metal base layer includes a heat sink portion. The trace layer includes a plurality of conductive traces, each conductive trace having a curved section that terminates in a trace termination pad. The dielectric layer includes a portion that underlies the trace termination pads and overlies the heat sink portion. The base layer and the dielectric layer each also include a window. The curved section of each conductive trace extends over the window of the base layer. The curved section of each conductive trace may at least partially extend over the window of the dielectric layer.Type: GrantFiled: October 31, 2006Date of Patent: July 28, 2009Assignee: Western Digital Technologies, Inc.Inventors: Yiduo Zhang, Drew B. Lawson, Tzong-Shii Pan, Darrell D. Palmer, Yih-Jen Chen
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Patent number: 7193819Abstract: A head stack assembly (HSA) is disclosed for use in a disk drive comprising a disk, wherein a merge tool is used to merge the HSA with the disk. The HSA comprises at least one actuator arm with a suspension connected to the distal end of the actuator arm. A multi-level shipping comb attached to the actuator arm comprises a finger having a first surface and a second, raised surface. During shipping of the HSA, the first surface of the finger contacts the suspension to protect against overstressing. During manufacture of the disk drive, the shipping comb is actuated so that the second surface contacts the suspension thereby bending the suspension in a vertical direction to facilitate the insertion of the merge tool.Type: GrantFiled: October 31, 2003Date of Patent: March 20, 2007Assignee: Western Digital Technologies, Inc.Inventors: Yih-Jen Dennis Chen, Drew B. Lawson, Darrell D. Palmer, Serge Hauert
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Patent number: 6993824Abstract: A method is provided for controlling the pitch static attitude of a slider in an integrated lead suspension head gimbal assembly. The integrated lead suspension includes a load beam, a mount plate, a hinge and a flexure made out of a multi-layer material. The flexure legs and the outrigger leads are simultaneously plastically deformed to define the pitch static attitude. The flexure legs and the outrigger leads are deformed at approximately the same longitudinal location.Type: GrantFiled: August 28, 2003Date of Patent: February 7, 2006Assignee: Hitachi Global Storage Technologies Netherlands B.V.Inventors: William W. Childers, Drew B. Lawson, Tzong-Shii Pan, Surya Pattanaik
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Patent number: 6992862Abstract: The pitch static attitude of a slider in an integrated lead suspension head gimbal assembly of a disk drive is controlled at the manufacturing stage. The integrated lead suspension includes a load beam, a mount plate, a hinge and a flexure made out of a multi-layer material. The flexure legs and the outrigger leads are simultaneously plastically deformed to define the pitch static attitude. The flexure legs and the outrigger leads are deformed at approximately the same longitudinal location.Type: GrantFiled: August 28, 2003Date of Patent: January 31, 2006Assignee: Hitachi Global Storage Technologies Netherlands B.V.Inventors: William W. Childers, Drew B. Lawson, Tzong-Shii Pan, Surya Pattanaik