Patents Examined by Eric A. Gates
  • Reducing sleeve, modular system for providing a reducing sleeve assembly, and machining assembly
    Patent number: 11548077
    Abstract: A reducing sleeve for fastening a machining tool in a tool holder is described. Said reducing sleeve comprises a reducing sleeve body, which comprises a first tool-side end and a second tool holder-side end. In addition, at least one coolant supply channel is provided in the reducing sleeve body. Furthermore, a multifunctional interface is arranged at the second end and is designed for coupling to a sealing unit and a safety unit. Additionally presented is a modular system for providing a reducing sleeve assembly, which comprises such a reducing sleeve, a sealing unit, and a safety unit. In addition, a machining assembly with a tool holder, a reducing sleeve, and a machining tool is presented.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: January 10, 2023
    Assignee: KENNAMETAL INC.
    Inventor: Josef K. Herud
  • Support assembly for a core drill
    Patent number: 11541466
    Abstract: A support assembly for a core drill which utilizes an improved high strength spoked reinforcer. The reinforcer may be removably mounted a core drill tube by fasteners. A drive connection is removably mounted and centrally located on an outer disc of a pair of discs. The drive connection is adapted to connect with a drive shaft to cause rotation of the tube. The assembly can also include a split in the disc when the high strength spoked reinforcer is not welded thereto, thereby providing a means of water control. The high strength spoked reinforcer can be a separate piece that is bolted to the disc or can be integrally formed as one piece therewith.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: January 3, 2023
    Assignee: WESTERN SAW, INC.
    Inventor: Anthony Baratta
  • Hole-saw with brazed or welded endcap
    Patent number: 11534841
    Abstract: A hole-saw, including a sidewall and an endcap, is provided. The endcap includes projections that fit within notches of the sidewall to form a brazed or welded joint that couples the endcap to the cylindrical sidewall. The projections extend through the notches and are brazed or welded to the base of the sidewall. The endcap couples to the sidewall to form a cylindrical hole saw body. The endcap rotates and supports the hole-saw during operation.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: December 27, 2022
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Hannah T. Maksimovic, Andrew Schulz, John P. Mohr, Jesse R. North, Timothy J. Signer, Bradley Charles Engel
  • Miter bar pocket hole jig systems and methods
    Patent number: 11529690
    Abstract: Jigs, fixtures, accessories, and the like for locating, aligning, guiding, engaging, and/or holding a workpiece on a woodworking machinery during a woodworking operation are described, as well as methods of making, modifying, and using jigs, fixtures, and accessories.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: December 20, 2022
    Inventor: Mark A. Duginske
  • Method and apparatus for retaining a tool in a tool holder with defined contact surfaces
    Patent number: 11524341
    Abstract: A plurality of friction rods each of which is positioned in a hole around the retaining bore with a portion of each of the plurality of friction rods partially protruding into the retaining bore for directly engaging the shank of the tool for holding the shank of the tool in the retaining bore at the defined contact surfaces.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: December 13, 2022
    Assignee: Techniks, LLC
    Inventor: Scott Worthington
  • Rotationally asymmetric cutting insert having a single radially extending cutting-edge portion and rotary cutting tool
    Patent number: 11524344
    Abstract: A cutting insert rotatable about an axis, has opposing front and rear surfaces interconnected by an insert peripheral surface, the insert peripheral surface having first and second side surfaces spaced apart by first and second land surfaces. First and second land edges extend along the first and second land surfaces, respectively. A first front edge formed at the intersection of the front surface and the first side surface includes a cutting-edge portion, and a second front edge formed at the intersection of the front surface and the second side surface is devoid of a cutting-edge portion. A cutting profile formed by rotating the cutting-edge portion about the axis is located axially forward of the second front edge. The cutting insert is releasably secured to a tool shank, the cutting insert being located between two protuberances protruding from a forward end portion of the tool shank.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: December 13, 2022
    Assignee: Iscar, Ltd.
    Inventor: Gil Hecht
  • Drilling device
    Patent number: 11525308
    Abstract: A drilling device includes a drill basic body and a conveying helix which runs helically around the drill basic body. The conveying helix is subdivided into a plurality of conveying helix segments that are disposed next to one another. The conveying helix segments may be disposed loosely next to one another.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: December 13, 2022
    Assignee: Hilti Aktiengesellschaft
    Inventors: Roland Foser, Pierre Pallmer, Jens Kondratiuk
  • Tool body including a damping apparatus and a machining tool having such a tool body
    Patent number: 11524340
    Abstract: A tool body includes a damping apparatus for damping vibrations in a machining tool having, besides the tool body, a member with at least one cutting edge to be secured to the tool body. The damping apparatus is arranged in an internal room of the tool body and includes a damper mass body with an axial bore and a central tube extending through the bore and which is rigidly secured to the damper mass body inside the through bore. A central tube is also at both ends thereof rigidly connected to a tool body fixed part and the central tube is made of a material with a spring property allowing the damper mass body to oscillate in the internal room perpendicularly to the longitudinal extension of the central tube.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: December 13, 2022
    Assignee: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Dan Ostling, Tormod Jensen
  • Deburring tool
    Patent number: 11517968
    Abstract: A deburring tool includes: a body; and a cutting unit provided on an end portion of the body and including a blade part, where a first channel is provided inside the body, and when a fluid supplied from outside of the deburring tool through the first channel is injected into the cutting unit and presses the cutting unit, the cutting unit moves and a degree to which the blade part protrudes outwardly increases.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: December 6, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sung Min Bae, Jong Youl Park, Jin Youl Kim, Seung Ho Lee, Min Hee Cho
  • Locking chuck with anti-vibration feature
    Patent number: 11511354
    Abstract: A chuck (600) for use with a powered driver having a rotatable drive shaft is provided. The chuck may include a body, a plurality of movable jaws (610), a nut (625), a sleeve (640), and an anti-vibration assembly (620). The anti-vibration assembly may be operably disposed between the sleeve and the nut and configured to absorb vibration caused by operation of the power driver and maintain a position of the sleeve relative to the nut when the sleeve is in at least a locked position.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: November 29, 2022
    Assignees: APEX BRANDS, INC., JACOBS CHUCK MANUFACTURING (SUZHOU) COMPANY, LTD.
    Inventors: Tingwei Zeng, Jichun Zhou, Weiwei Sun, Huangsheng Xu
  • Adaptive precision chuck
    Patent number: 11511355
    Abstract: An adaptive precision chuck for a precision/ultraprecision machining system is described. The chuck (200) defining a mount for receiving a workpiece (300) wherein, when in use, the centre of the mount is configured to be substantially concentric with an axis of rotation (214) of the machining system, the chuck (200) further including jaws (201) about the mount and a plurality of compliant flexures (203-206) configured, upon application of rotational forces by the machining system to the chuck about the axis of rotation (214), to engage the jaws (210) upon a workpiece (300) in the mount.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: November 29, 2022
    Assignee: BRUNEL UNIVERSITY LONDON
    Inventors: Kai Cheng, Ali Khaghani
  • Oscillating tool
    Patent number: 11511356
    Abstract: An oscillating tool includes a housing, a motor housed in the housing and a clamp assembly operatively driven by the motor in an oscillating motion. The clamp assembly can hold an accessory such as a blade or sanding attachment, and the clamp assembly includes a first clamp and a second clamp. The oscillating tool also includes a clamp lever and an actuating lever. The clamp lever is operatively coupled to the first clamp to move the first clamp such that clamp assembly is moved from a closed position to an open position. The actuating lever is operatively coupled to the clamp lever to effect movement of the clamp lever, movement of the clamp lever causing the clamp assembly to move from the closed position to the open position.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: November 29, 2022
    Assignee: Black & Decker Inc.
    Inventors: Oleksiy P. Sergyeyenko, Sean M. Bailey
  • Drill and method of manufacturing machined product
    Patent number: 11511359
    Abstract: A drill may include a body extending from a first end toward a second end, and the body may include an outer peripheral surface and a cutting edge. The cutting edge may include a first cutting edge and a second cutting edge. The second cutting edge may be positioned closer to the second end and the outer peripheral surface than the first cutting edge. The second cutting edge may include a first part, a second part and a third part. The second part may be positioned closer to the outer peripheral surface than the first part and may be positioned closer to the second end as close to the first part. The third part may be positioned closer to the first cutting edge than the first part and may be positioned closer to the second end as close to the first part.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: November 29, 2022
    Assignee: KYOCERA CORPORATION
    Inventors: Hiroshi Ogawa, Satoshi Tetsukawa
  • Mini pocket hole jig system
    Patent number: 11504778
    Abstract: A pocket hole jig system is formed of a plurality of jig segments, wherein each jig segment includes a main body having a drill guide and a lock feature that protrudes outward on a first side of the main body and a recess that protrudes inward on a second side of the main body. The system also includes one or more spacers that have a main body of varying width and a lock feature that protrudes outward on a first side of the main body and a recess that protrudes inward on a second side of the main body. Jig segments and spacers may be connected together by inserting the lock feature of a jig segment or spacer into the recess of an adjacent jig segment or spacer. In one arrangement opposing jig segments and/or spacers lock together with a combination of rotational movement as well as sliding movement.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: November 22, 2022
    Assignee: KREG ENTERPRISES, INC.
    Inventors: Scott Schaaf, Timothy J. Forbes, Neil M. Holland, Brian Hill
  • Core drill bit
    Patent number: 11504779
    Abstract: A core drill bit 1 includes a tubular shaft 12, a mounting platform 31 provided on a proximal end of the tubular shaft 12 for mounting the core drill bit on a power tool 26, and an annular cutting section 2 provided with abrasive cutting segments 3 arranged at a distal end of the tubular shaft 12. A first transponder 24 is provided at the distal end of the tubular shaft 12. A repeater 28 is provided comprising a second transponder 29 at the proximal end of the tubular shaft 12, an antenna 33 facing the first transponder 24, and a wired connection 34 between the antenna 33 and the repeater 28.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: November 22, 2022
    Assignee: Hilti Aktiengesellschaft
    Inventors: Donato Clausi, Marco Balter, Manuel Gut, Thomas Kinkeldei
  • Cutting section for a drill bit
    Patent number: 11504881
    Abstract: A cutting section (11) which is connectable to a drill shaft section via a releasable connecting device. The cutting section includes a first open tubular element (14) which is in the form of a first hollow cylinder having a first waved, trapezoidal or zigzag-shaped cross-sectional area, a second closed tubular element (15) which is in the form of a second hollow cylinder having a circular ring-shaped cross-sectional area, and one or more drill segments (16) which are connected to the first open tubular element (14) and to the second closed tubular element (15).
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: November 22, 2022
    Assignee: Hilti Aktiengesellschaft
    Inventors: Florian Schroeder, Guenter Domani, Pingyan Rong
  • Wafer chuck assembly
    Patent number: 11508609
    Abstract: Some examples provide a vacuum wafer chuck assembly for supporting a wafer. An example chuck assembly comprises a chuck hub and a centering hub disposed within the chuck hub. Chuck arms are mounted to the chuck hub, with each chuck arm extending radially between a proximal end adjacent the chuck hub, and a distal end remote therefrom. A plurality of centering cams is provided, each cam mounted at or towards a distal end of a chuck arm and being movable radially inwardly or outwardly relative to the centering hub to engage or release an edge of a supported wafer in response to a rotational movement of the centering hub. At least one vacuum pad is provided for supporting the wafer during a wafer centering or wafer processing operation.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: November 22, 2022
    Assignee: Lam Research Corporation
    Inventors: Aaron Louis LaBrie, Claudiu Valentin Puha
  • Gun drill machine
    Patent number: 11498135
    Abstract: A gun drill machine capable of shortening a margin dimension required in a gun drill as much as possible. In a free zone between a chip box and a moving spindle unit, a plurality of swing stopping devices for loosely holding a gun drill and suppressing the swing of the gun drill are arranged, and each swing stopping device is configured to freely retract from a steady action position where a swing stopping action is performed to avoid interference with the spindle unit that moves in the free zone.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: November 15, 2022
    Assignee: HI-TAK CO., LTD.
    Inventors: Hiroshi Inada, Hidenori Inada, Masayuki Sato
  • Cutting tool and method for manufacturing machined product
    Patent number: 11491562
    Abstract: A cutting tool may include a main body extended from a first end to a second end. The main body may be rotatable around a rotation axis. The main body may include a first cutting edge, a second cutting edge, a first flute and a second flute. The first flute may be extended from the first cutting edge toward the second end. The second flute may be extended from the second cutting edge toward the second end. The first flute may include a first hole located in the main body. The second flute may include a second hole located in the main body. The first hole may have a circular shape and the second hole may have a long narrow shape in a circumferential direction of the rotation axis in a cross section orthogonal to the rotation axis.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: November 8, 2022
    Assignee: KYOCERA CORPORATION
    Inventors: Hirohisa Ishi, Kento Iwasaki
  • Lathe
    Patent number: 11491555
    Abstract: Provided is a lathe capable of elongating the life of a shifter mechanism. A lathe comprises a spindle, a chucking unit, a power transmitting unit, a shifter, a claw, and a driving unit. The shape of an outer circumference of the shifter in a contact range and a first end of the claw in longitudinal section along the spindle axis is such shape as the acceleration “a” of the first end in the diameter direction with respect to the moving distance of the shifter moving in the direction of the spindle axis (Z-axis direction) at a constant speed is continuous both in a positive range and in a negative range where the contact range is a range of the outer circumference of the shifter in contact with the first end of the claw.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: November 8, 2022
    Assignee: STAR MICRONICS CO., LTD.
    Inventor: Norio Kaku