Luke A Cossette

US Patent:

7736199, Jun 15, 2010

Filed:

Aug 1, 2008

Appl. No.:

12/184425

Inventors:

Luke Antonio Cossette - Rochester MN, US

Assignee:

Tyco Electronics Corp. - Berwyn PA

International Classification:

H01R 13/434

US Classification:

439745

Abstract:

A contact retention assembly includes a body, an outward angled tine and an inward angled tine. The body extends between a front end and a back end. The outward angled tine extends from the body to a housing engagement surface and is configured to engage a portion of a housing. The inward angled tine extends from the body to a contact engagement surface and is configured to engage a contact in order to retain the contact within the assembly. The inward angled tine extends from the body in a different direction than the outward angled tine.

US Patent:

20120129373, May 24, 2012

Filed:

Nov 18, 2010

Appl. No.:

12/949135

Inventors:

LUKE ANTONIO COSSETTE - ROCHESTER MN, US

Assignee:

TYCO ELECTRONICS CORPORATION - Berwyn PA

International Classification:

H01R 13/64

US Classification:

439248

Abstract:

An electrical connector assembly is provided including a connector having a mating end. The connector has contacts extending from the mating end. A connector shroud is positioned around the mating end of connector. The connector shroud has an asymmetrical configuration. A mating connector having a mating end is configured to engage the mating end of the connector. The mating connector has mating contacts configured to engage the contacts of the connector. The mating end of the mating connector has an asymmetrical configuration that mirrors the asymmetrical configuration of the connector shroud. The asymmetrical configurations of the mating end of the mating connector and the connector shroud align the mating connector with the connector in a single orientation.

US Patent:

55506895, Aug 27, 1996

Filed:

Aug 7, 1995

Appl. No.:

8/512073

Inventors:

Zine-Eddine Boutaghou - Rochester MN
Luke A. Cossette - Rochester MN
Richard W. Luoma - Rochester MN

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G11B 17028
G11B 3314

US Classification:

360 9908

Abstract:

A magnetic fluid seal is provided by mounting an annular, axially polarized magnet mounted on the device base member and an annular ring pole piece with an inner diameter that cooperates with an outer diameter surface of the hub assembly to form a fluid gap that is radially outward and within the axial extent of the spindle bearings. The secondary gap of the seal assembly is within the bearing assembly sealed volume while the principal sealing gap is within the hub assembly to confine any debris or aerosols resulting from high rotational velocity or shock to be contained in proximity to the flux fields that can recapture any magnetic material. The assembly also inherently presents an effective conductive path to provide enhanced grounding of the rotating assembly through the magnetic fluid in the second gap which is not subject to impairment caused by bonding materials. The seal assembly design also provides for self loading of the magnetic fluid without permitting escape of smeared liquid beyond the region of the seal assembly.

US Patent:

57543658, May 19, 1998

Filed:

Jul 2, 1996

Appl. No.:

8/675370

Inventors:

John Lowell Beck - Rochester MN
Charles A. Brown - Los Gatos CA
Luke Antonio Cossette - Rochester MN
Daniel Craig Stucky - Pine Island MN
Herman Russell Wendt - San Jose CA

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G11B 3314

US Classification:

360 9702

Abstract:

A data storage disk drive is provided with a spindle which supports a plurality of disks having at least one magnetic disk surface to form a spindle assembly for rotation of the disk surfaces about a common axis and a rotary actuator which supports magnetic transducers for movement in unison about respective disk surfaces. The disk drive includes a disk drive enclosure having die-cast generated predetermined zero draft geometries for mounting the spindle motor shaft and the actuator bearing shaft. The enclosure includes a base casting and a cover casting, each casting including structure for locating and retaining electrical connectors used for connecting to a planar electronics card located outside the drive enclosure. The disk drive includes an effective and easily manufacturable electrical path from a flex circuit to an actuator comb. The disk drive includes a tubular chemical breather filter arranged with integral housing and diffusion channels formed in the cover casting.

US Patent:

53674162, Nov 22, 1994

Filed:

Dec 31, 1992

Appl. No.:

7/999504

Inventors:

Luke A. Cossette - Rochester MN
Zine-Eddine Boutaghou - Rochester MN

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G11B 3314
G11B 1702

US Classification:

360 9702

Abstract:

The hub includes a cup attached to the hub or rotating portion of the disk drive. The cup has a top. Both the cup and top have openings therein which accommodate the fixed shaft. The cup is filled with ferrofluid. The portion of the shaft passing through the cup and top is magnetized so magnetic seals are formed at the openings. Electrical charge is transmitted to the shaft via the cup and the ferrofluid. A similar arrangement is shown for a disk drive having a rotating shaft in which the cup is incorporated into the hub and a magnetized pin attached to the housing is inserted into the cup.

US Patent:

52677370, Dec 7, 1993

Filed:

Jan 16, 1992

Appl. No.:

7/822006

Inventors:

Luke A. Cossette - Rochester MN
Craig A. Delagardelle - Oronoco MN

Assignee:

International Business Machines, Corp. - Armonk NY

International Classification:

F16J 1540

US Classification:

277 80

Abstract:

A magnetic seal for a disk drive data storage unit is described where the magnet assembly comprising an annular magnet and two annular pole pieces are adhesively attached with the magnet intermediate the pole pieces and the assembly thereof then forcibly inserted, creating a force fit, into a shield which is formed as an annulus with an interior cylindrical surface engaging the exterior cylindrical surfaces of the magnet assembly. The force fit insures electrical continuity between the shield and the pole pieces. The shield extends into close proximity with the shaft being sealed and is provided with a relieved region immediately adjacent the interior cylindrical surface of the pole pieces to form a reservoir for receiving, trapping and retaining any ferromagnetic fluid which may escape from the gap between the pole pieces and the shaft. A mating shield is then assembled onto the previously assembled components after the introduction of the ferromagnetic fluid into the seal gaps. All elements of the seal assembly are adhesively sealed to adjacent elements to prevent the formation of gaps or capillaries which may act to attract and transport ferromagnetic fluid away from the seal gap between the pole pieces and the shaft.

US Patent:

55395953, Jul 23, 1996

Filed:

May 23, 1995

Appl. No.:

8/447409

Inventors:

John L. Beck - Rochester MN
Jeffrey F. Boigenzahn - Rochester MN
Darrell E. Bratvold - Rochester MN
Charles A. Brown - Los Gatos CA
Luke A. Cossette - Rochester MN
Dale C. Goeke - Rochester MN
Michael S. Good - Byron MN
Dale E. Goodman - Oronoco MN
Richard E. Lagergren - Rochester MN
Gregory A. Lyons - Rochester MN
Brian L. Rappel - Grand Meadow MN
James M. Rigotti - Rochester MN
Daniel C. Stucky - Pine Island MN
Lyle R. Tufty - Elgin MN
Herman R. Wendt - San Jose CA

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G11B 5012
G11B 3314

US Classification:

360 9701

Abstract:

A data storage disk drive is provided with a spindle which supports a plurality of disks having at least one magnetic disk surface to form a spindle assembly for rotation of the disk surfaces about a common axis and a rotary actuator which supports magnetic transducers for movement in unison about respective disk surfaces. The disk drive includes a voltage reference tab provided for quick assembly and removal from an actuator comb. The voltage reference tab maintains the magneto-resistive transducers and the magnetic disks at the same reference voltage potential thus minimizing electrical discharge from the transducer to the disk. The voltage reference tab is a copper tab having symmetrical slots about a fastening hole to facilitate the bending operation and to reduce the rate at which heat is conducted during the soldering process. The tab maintains the voltage reference potential between the head and disk through an extension of the flex cable attached to the actuator.

US Patent:

52510816, Oct 5, 1993

Filed:

Jan 8, 1993

Appl. No.:

8/001942

Inventors:

Luke A. Cossette - Rochester MN
Christopher G. Keller - Rochester MN
Brian E. Schultz - Lakeville MN

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G11B 3314
G11B 1702

US Classification:

360 9702

Abstract:

Disclosed is a disk drive having an enclosure for housing one or more disks, an actuator arm and sliders attached to the actuator arm. The sliders include magnetic transducers for reading information related to data off the disk and for writing representations of data to the disk. In a disk drive with an in-hub, fixed spindle shaft motor, the disk or disks are attached to the hub which is rotatably mounted to the spindle shaft. The hub includes one or more fingers attached to the hub which touch the spindle shaft when the hub is stationary and when the hub is rotating. The spindle shaft may also be provided with a wear resistant layer and/or ring of conductive material to enhance the electrical pathway between the hub and the spindle shaft and provide for lower wear and a longer life.