Patents by Inventor David J. Smith
David J. Smith 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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Publication number: 20190173349Abstract: An electric brushless DC (BLDC) motor includes a stator and a rotor. The rotor includes a rotor shaft, a rotor core, a bearing, and a sense magnet ring. And end cap is radially oriented with respect to the rotor shaft and securely disposed adjacent the stator, the end cap having a first surface facing the stator, a second surface facing away from the stator, a bearing pocket centrally disposed to receive the at least one bearing of the rotor therein to support the rotor, and at least two retention features projecting from the first surface at a distance with respect to one another to form a lateral gap therebetween. A positional sensor board is radially received from a peripheral side of the end cap in contact with the first surface of the end cap and within the lateral gap between the retention features of the end cap.Type: ApplicationFiled: February 5, 2019Publication date: June 6, 2019Inventors: David J. Smith, David E. Gillespie, Merritt J. Tennison
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Publication number: 20190152014Abstract: A power tool is provided including a motor case and a handle portion. An electric motor having a drive shaft is mounted within the motor case. A circuit board is disposed in the handle portion to accommodate a motor drive circuit. The motor drive circuit includes a rectifier configured to receive an alternating current from an alternating current (AC) power source and convert it to a direct current supplied to a DC power bus, and a bridge circuit having motor switches connected between the rectifier and the electric motor. A bus capacitor is mounted on the circuit board and coupled across the DC power bus. An auxiliary capacitor having higher capacitance than the bus capacitor is switchably coupled across the DC power bus. The handle portion includes a support member protruding radially outwardly to accommodate the auxiliary capacitor.Type: ApplicationFiled: January 24, 2019Publication date: May 23, 2019Inventors: Zollie W. PRIVETT, Craig A. OKTAVEC, David J. SMITH, Matthew J. VELDERMAN, Colin C. CROSBY, Pradeep PANT, Kyle J. CHRISTOPHERSEN, Daniel F. NACE, James H. STILES, III, Floyd E. MORELAND, IV
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Patent number: 10272558Abstract: A power tool is provided including an elongated housing. The housing includes a motor case disposed at a front end thereof and a handle portion extending along a longitudinal axis of the housing from the motor case to a rear end of the housing. The handle portion includes two elongated walls extending from the motor case along the longitudinal axis of the housing to form a planar opening within the handle portion. A partition wall is arranged along an axis substantially perpendicular to the longitudinal axis of the housing, separating the handle portion from the motor case. An electric motor having a drive shaft is mounted within the motor case, and a module casing supporting a planar circuit board is received within the planar opening and supported by the elongated walls within the handle portion of the housing axially along the longitudinal axis of the housing.Type: GrantFiled: June 14, 2017Date of Patent: April 30, 2019Assignee: Black & Decker Inc.Inventors: Kyle J. Christophersen, Daniel F. Nace, James H. Stiles, III, Floyd E. Moreland, IV, Craig A. Oktavec, David J. Smith, Zollie W. Privett, Jr., Matthew J. Velderman, Colin M. Crosby, Pradeep M. Pant
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Patent number: 10236742Abstract: A power tool is provided including a housing; and an electric brushless DC (BLDG) motor housed inside the housing. The motor includes a motor housing having a substantially cylindrical body and a back plate, the cylindrical body of the motor housing defining a slot at or proximate the back plate; a stator housed within the motor housing; a rotor pivotably arranged inside the stator, the rotor including a rotor shaft, a rotor core rotatably mounted on the rotor shaft and housing rotor magnets therein, and a sense magnet ring affixed to the rotor shaft and having magnets aligned with the rotor magnets; and a positional sensor board having positional sensors mounted thereon, the positional sensor board being received through the slot of the motor housing to dispose the positional sensors in close proximity to the sense magnet ring.Type: GrantFiled: November 25, 2015Date of Patent: March 19, 2019Assignee: BLACK & DECKER INC.Inventors: David J. Smith, David E. Gillespie, Merritt J. Tennison
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Patent number: 10226849Abstract: A handheld grinder includes an elongated housing, an electric motor, an output shaft, a wall, a planar circuit board, and a motor drive circuit. The elongated housing defines a cavity therein and includes a motor case disposed at a front end and a handle portion to a rear end. The electric motor has a drive shaft that is mounted within the motor case. The output shaft is drivably coupled to the drive shaft of the electric motor. The wall separates the cavity between the motor case and the handle portion of the housing. The planar circuit board is disposed in the handle portion of the housing. The motor drive circuit is accommodated entirely within the handle portion of the housing on the planar circuit board.Type: GrantFiled: September 12, 2016Date of Patent: March 12, 2019Assignee: BLACK & DECKER INC.Inventors: Zollie W. Privett, Jr., Craig A. Oktavec, David J. Smith, Matthew J. Velderman, Colin C. Crosby, Pradeep M. Pant, Kyle Christophersen, Daniel F. Nace, James H. Stiles, III, Floyd E. Moreland, IV
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Publication number: 20190058373Abstract: An electric brushless DC motor is provided including an outer rotor assembly having a metallic rotor body, rotor magnets mounted within an inner surface of the rotor body, and a molded structure formed within the rotor body. The molded structure includes at least one of: a main body formed on inner surface of the rotor body to securely cover and retain the rotor magnets on the inner surface of the rotor body, an axial fan formed at an end of the rotor body opposite the rotor magnets, and/or a sense magnet mount formed at approximately a radial center portion of the axial fan.Type: ApplicationFiled: October 24, 2018Publication date: February 21, 2019Applicant: Black & Decker Inc.Inventors: John B. Fogle, Colin M. Crosby, David J. Smith, Merritt J. Tennison, Madhur M. Purohit
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Patent number: 10193417Abstract: An electric brushless DC motor is provided including an outer rotor assembly having a metallic rotor body, rotor magnets mounted within an inner surface of the rotor body, and a molded structure formed within the rotor body. The molded structure includes a main body formed on inner surface of the rotor body to securely cover and retain the rotor magnets on the inner surface of the rotor body, an axial fan formed at an end of the rotor body opposite the rotor magnets, and a sense magnet mount formed at approximately a radial center portion of the axial fan. Alternatively or additionally, the molded structure includes a radial member projecting inwardly from the main body towards a center of the outer rotor assembly, and a bearing support member having a substantially cylindrical shape in an axial direction of the outer rotor and supported by the at least one radial member.Type: GrantFiled: December 17, 2015Date of Patent: January 29, 2019Assignee: Black & Decker Inc.Inventors: John B. Fogle, Colin M. Crosby, David J. Smith, Merritt J. Tennison, Madhur M. Purohit
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Publication number: 20180294688Abstract: An electric motor is provided including: a stator assembly having a lamination stack defining poles and magnet wires wound on the poles, and a rotor rotatably arranged inside the stator assembly. A mount having a curved profile and made of non-conductive material is provided. Conductive terminals are mounted on and secured to a first surface of the mount, the conductive terminals being separated and insulated from each other via portions of the mount. A second surface of the mount opposite the first surface is mounted over to an outer surface of the lamination stack in contact therewith to align the plurality of conductive terminals longitudinally along the outer surface of the lamination stack.Type: ApplicationFiled: June 7, 2018Publication date: October 11, 2018Inventors: David J. Smith, Justin H. Ayers, David E. Gillespie, Eric E. Hatfield, Earl M. Ortt, Stephen Osborne, Brian Friedman, Jarrett A. Dunston
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Patent number: 9950330Abstract: A shut-off system for a dispenser includes a pinch member that moves relative to a guide and which is normally biased against a flexible outlet tube that is disposed therebetween. The flexible outlet tube that carries material, such as soap, supplied from a pump to an outlet nozzle. The pump and the pinch member are in operative engagement with an actuator, such that when the actuator is not engaged, the pinch member closes the outlet tube to prevent residual material retained in the outlet tube from flowing or drooling out of the outlet nozzle. Correspondingly, when the actuator is engaged, the pump is compressed, and the pinch member is moved away from the outlet tube, allowing the material to be pumped through the outlet tube and dispensed from the outlet nozzle.Type: GrantFiled: February 2, 2015Date of Patent: April 24, 2018Assignee: GOJO Industries, Inc.Inventors: David J. Smith, John J. McNulty, Robert Quinlan, Christopher J. Mann, James M. Yates
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Patent number: 9934792Abstract: A method of detecting pre-determined phrases to determine compliance quality of an agent includes determining a presence of a predetermined input based on a comparison between stored pre-determined phrases and a received communication, and determining a compliance rating of the agent based on a presence of a pre-determined phrase associated with the predetermined input in the communication.Type: GrantFiled: January 31, 2017Date of Patent: April 3, 2018Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.Inventors: I. Dan Melamed, Andrej Ljolje, Bernard S. Renger, David J. Smith, Yeon-Jun Kim
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Publication number: 20180041088Abstract: A power tool includes a motor having a stator assembly and a rotor pivotably arranged inside the stator. The stator assembly includes a lamination stack defining a plurality of poles; a plurality of field windings each arranged at at least two opposite poles of said plurality of poles and connected together around the stator assembly; and a plurality of conductive terminals longitudinally arranged along an outer surface of the lamination stack and electrically coupled to the plurality of field windings and a power source.Type: ApplicationFiled: October 13, 2017Publication date: February 8, 2018Inventors: David J. Smith, Justin H. Ayers, David E. Gillespie, Eric E. Hatfield, Earl M. Ortt, Stephen Osborne, Brian Friedman, Jarrett A. Dunston
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Patent number: 9872762Abstract: An accommodating intraocular lens includes an optic portion a haptic portion and a backstop. The optic portion of the lens includes an actuator that deflects a lens element to alter the optical power of the lens responsive to forces applied to the haptic portion of the lens by contraction of the ciliary muscles. Forces applied to the haptic portion may result in fluid displacements from or to the haptic portion from the actuator. The backstop provides support to the haptic so that bulk translation of the haptic is prevented in response to the forces applied by the capsular sac.Type: GrantFiled: July 28, 2011Date of Patent: January 23, 2018Assignee: PowerVision, Inc.Inventors: John A. Scholl, Terah Whiting Smiley, David J. Smith, Denise H. Burns, Barry Cheskin
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Patent number: 9819241Abstract: A power tool includes a motor having a stator assembly and a rotor pivotably arranged inside the stator. The stator assembly includes a lamination stack defining a plurality of poles; a plurality of field windings each arranged at at least two opposite poles of said plurality of poles and connected together around the stator assembly; and a plurality of conductive terminals longitudinally arranged along an outer surface of the lamination stack and electrically coupled to the plurality of field windings and a power source.Type: GrantFiled: June 17, 2013Date of Patent: November 14, 2017Assignee: Black & Decker Inc.Inventors: David J. Smith, Justin Ayers, David E. Gillespie, Eric E. Hatfield, Earl M. Ortt, Stephen Osborne, Brian Friedman, Jarrett A. Dunston
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Publication number: 20170294819Abstract: A brushless motor includes a stator assembly including a generally-cylindrical stator body having a center bore, teeth extending from the stator body towards the center bore and defining slots in between, and windings wound around the teeth; and a rotor assembly rotatably received within the center bore and includes a rotor shaft and a generally-cylindrical rotor body. The motor further includes at least one rotor bearing mounted on the rotor shaft, and at least one bearing support member supporting the rotor bearing. The bearing support member includes a radial body forming a bearing pocket for receiving the rotor bearing therein, and axial post inserts received within the slots of the stator assembly between adjacent sets of windings and engaging an inner surface of the stator body to support the rotor bearing with respect to the stator assembly along a center axis of the center bore of the stator assembly.Type: ApplicationFiled: April 7, 2017Publication date: October 12, 2017Applicant: Black & Decker Inc.Inventors: Colin M. Crosby, Merritt J. Tennison, Ryan F. Schroeder, Jarrett A. Dunston, David J. Smith, Barak N. Gohn, Andrew M. Palich, Justin H. Ayers
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Patent number: 9782579Abstract: Described is a medical device lead including a lead body having a conductor lumen including an inner surface. The lead also includes a conductor assembly extending through the conductor lumen; the conductor assembly comprising a conductor member and an outer insulative layer; and an electrode coupled to the conductor cable. The outer insulative layer includes a textured external surface that reduces the coefficient of friction between the outer insulative layer and the inner surface of the conductor lumen through which the conductor assembly extends. Methods of forming the conductor assembly are also described.Type: GrantFiled: February 15, 2016Date of Patent: October 10, 2017Assignee: CARDIAC PACEMAKERS, INC.Inventors: David R. Wulfman, Rahul K. Rajgarhia, David J. Smith, Tolga Tas, Daniel J. Cooke, Christopher R. Perrey
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Publication number: 20170274520Abstract: A power tool is provided including an elongated housing. The housing includes a motor case disposed at a front end thereof and a handle portion extending along a longitudinal axis of the housing from the motor case to a rear end of the housing. The handle portion includes two elongated walls extending from motor along the longitudinal axis of the housing to form a planar opening within the handle portion. A partition wall is arranged along an axis substantially perpendicular to the longitudinal axis of the housing, separating the handle portion from the motor case. An electric motor having a drive shaft is mounted within the motor case, and a module casing supporting a planar circuit board is received within the planar opening and supported by the elongated walls within the handle portion of the housing axially along the longitudinal axis of the housing.Type: ApplicationFiled: June 14, 2017Publication date: September 28, 2017Inventors: Kyle J. Christophersen, Daniel F. Nace, James H. Stiles, III, Floyd E. Moreland, IV, Craig A. Oktavec, David J. Smith, Zollie W. Privett, JR., Matthew J. Velderman, Colin M. Crosby, Pradeep M. Pant
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Publication number: 20170165499Abstract: A method and device for treating an infection of the nail or nail bed and adjacent tissues through non-thermal means is described. The device illuminates an area with light in the near-infrared region of the electromagnetic spectrum. Preferably, light having wavelengths of from about 870 nm to about 930 nm will be used. Further, the device includes light emitting diodes that are capable of emitting ultraviolet light. These lights are intended to provide a sterile environment for a user using the device.Type: ApplicationFiled: December 22, 2016Publication date: June 15, 2017Applicant: New Skin Therapies, LLC, d/b/a/ NST Consulting, LLCInventors: Raymond R. Blanche, Raymond J. Lanzafame, David J. Smith
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Publication number: 20170140775Abstract: A method of detecting pre-determined phrases to determine compliance quality of an agent includes determining a presence of a predetermined input based on a comparison between stored pre-determined phrases and a received communication, and determining a compliance rating of the agent based on a presence of a pre-determined phrase associated with the predetermined input in the communication.Type: ApplicationFiled: January 31, 2017Publication date: May 18, 2017Applicant: AT&T INTELLECTUAL PROPERTY I, L.P.Inventors: I. Dan MELAMED, Andrej LJOLJE, Bernard S. Renger, David J. Smith, Yeon-Jun Kim
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Publication number: 20170120435Abstract: A power tool is provided including a tool housing; at least one battery receptacle accommodated on the tool housing, the battery receptacle being adapted to receive a battery pack having a maximum voltage of at least 60 volts; and a brushless DC (BLDC) motor disposed within the tool housing, the motor including a stator assembly and a rotor assembly rotatably disposed within the stator assembly. A motor control and power module is disposed in close proximity to the motor, including a power switch circuit electrically coupled to the motor and a first controller configured to control a switching operation of the power switch circuit for supply of power from the battery pack to the motor. A battery management control module is disposed in close proximity to the battery receptacle, including a second controller distinct from the first controller, the second controller configured to manage an operation of the battery pack.Type: ApplicationFiled: October 27, 2016Publication date: May 4, 2017Inventors: Andrew M. Palich, Michael R. Marjomaa, Kevin L. Pulley, David J. Smith, Dennis A. Bush, Mark T. Cherry, Scott Eshlemann, Tal Gottesman
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Publication number: 20170114244Abstract: The disclosed technology provides a product obtained/obtainable by a process including (i) An emulsion polymer formed from any combination of ethylenically unsaturated monomers, to form an acrylic copolymer, wherein the acrylic copolymer has 0 to 4 wt % ethylenically unsaturated acid (or salts thereof) monomer based on the dry weight of the copolymer acid groups form acidic monomers, a linear Tg of up to 30° C., and an average particle size of 30 to 1000 nm, (ii) Contacting the copolymer of (i) with 0.1 to 20 wt % of a C4-30 fatty acid or salt thereof (peelability enhancing agent) based upon the solid content of the product of step (i). The acrylic copolymer composition may be useful as a peelable coating composition.Type: ApplicationFiled: May 6, 2015Publication date: April 27, 2017Inventors: Hamidreza Hakimelahi, Maria Nuria Paredes Garcia, Vic Stanislawczyk, David J. Smith