Rotary Blade Patents (Class 30/276)
  • Patent number: 10405489
    Abstract: A flexible line trimmer head has a housing with an operating axis and is made up of first and second parts configured to be placed in: a) a first state wherein the first and second housing parts are separated from each other; and b) a second state wherein the housing parts are operatively connected. The first and second housing parts configured so that in the second state a space is defined between the first and second housing parts within which an operatively positioned spool can be captively maintained. The flexible line trimmer head further has a unitary shaft that extends axially between, and connects to, each of the first and second housing parts to maintain a desired aligned relationship between the first and second housing parts.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: September 10, 2019
    Assignee: Echo Incorporated
    Inventors: Joseph John Zenkus, Stephen J. Towner, Ryan Garrett
  • Patent number: 10398078
    Abstract: A trimmer head having at least two pivoting line holders for holding multiple folded strips of trimming line is presented wherein said pivoting line holders are retained within said housing between said housing and said cover and extend upward through apertures in said cover, said line holders being capable of movement around a vertical axis of rotation, at least three embodiments are disclosed which provide a rounded landing for supporting the inner radius of a folded strip of trimming line, the rounded geometry of the landing prevents line stress and breakage, the various embodiments include a pivot post having two parallel straight through holes with a rounded vertical wall between the through holes, a single open passageway having a center metal post, and a single open passageway having a series of at least two metal pins through the center of the passageway.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: September 3, 2019
    Assignee: Shakespeare Company, LLC
    Inventors: David B. Skinner, Brian Searfoss, Wen Liu, Lin Wang, Jack Yang
  • Patent number: 10368487
    Abstract: A glider assembly for a handheld trimmer includes a glider shaft coupleable at one end with a rotating head of the handheld trimmer, and a glider plate connected to an opposite end of the glider shaft. The glider plate is part-spherical or saucer shaped and includes a concave side and a convex side. A bearing acts between the glider plate and the glider shaft. The assembly enables an operator to rest the weight of the trimmer on the ground during use while controlling a cutting height.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: August 6, 2019
    Assignee: AERO-FLEX TECHNOLOGIES, INC.
    Inventor: Vincent D. Morabit
  • Patent number: 10334779
    Abstract: A hand-held cutting device (10) may include an elongated member (45) graspable along a portion thereof by an operator, a trimmer head (25) disposed at one end of the elongated member (45) and configured to be rotatable to perform a cutting function using trimmer line (70) held at a portion of the trimmer head (25), a power unit operably coupled to the trimmer head (25) to selectively cause rotation of the trimmer head, and a trim shield (65) disposed to extend away from the elongate member (45) to a position radially outward relative to the trimmer head (25) proximate to at least a portion of a path traced by a distal end of the trimmer line (70) when the trimmer head is rotated.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: July 2, 2019
    Assignee: HUSQVARNA AB
    Inventors: Mikael Kågebäck, Henrik Hvitman
  • Patent number: 10334778
    Abstract: A hand-held cutting device (10) including an elongated member (45) graspable along a portion thereof by an operator, a trimmer head (25) disposed at one end of the elongated member, and a power unit operably coupled to the trimmer head to selectively cause rotation of the trimmer head, wherein the trimmer head comprises a line holding assembly (110) to hold and selectively release the trimmer line (70) and a housing to house the line holding assembly, wherein the line holding assembly includes a core (340) having a first portion (342) and a second portion (350), and a spool (130) configured to hold trimmer line that is operably coupled to the core, and wherein the second portion of the core is non-rotatably fixed to the first portion of the core when the trimmer head is in an at-rest state, and is rotatable with respect to the first position of the core when the trimmer head is in an in-use state and rotating.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: July 2, 2019
    Assignee: HUSQVARNA AB
    Inventor: Stefan Kullberg
  • Patent number: 10314229
    Abstract: The grass cutting head (1) comprises a housing (3), inside which a spool (11) is provided to wind the cutting line (F). The housing has holes (9) for the passage of the cutting line (F) towards the outside of the housing. The spool (11) has at least a flange (15) with openings (31) allowing to insert the cutting line (F) into a passage defined between the flange (15) and a transverse wall (3B) of the housing.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: June 11, 2019
    Assignee: ARNETOLI MOTOR S.R.L.
    Inventor: Fabrizio Arnetoli
  • Patent number: 10314228
    Abstract: The invention provides a grass trimmer and a cord delivering method for a grass trimmer, the grass trimmer comprises an extending rod, an housing, a grass trimming head, a handle, a main motor and a main switch, wherein the grass trimming head comprises a base, a cap and a spool having a first state relative static with the base, and the grass trimmer further comprises a cord delivering mechanism; the cord delivering mechanism comprises a cord delivering electronic switch independent of the main switch and a control device; and the cord delivering electronic switch operably electrically controls the control device to enable the spool to be in a second state capable of generating a rotary speed difference with the base. An operator does not need to interrupt work of the grass trimmer and can timely pay off required and the cord delivering operation is simple and convenient.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: June 11, 2019
    Assignee: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Yichun Ma, Shisong Zhang, Guoliang Mou, Hongfeng Zhong, Fangshi Liu, Xiaoli Pang, Robert Baker, Brandon Martin
  • Patent number: 10299430
    Abstract: An adjustable guard assembly is connected to a head assembly of a string trimmer. The adjustable guard assembly includes a housing. The housing includes a mounting portion, which connects to a motor case. The housing further includes a deck portion, which extends from the mounting portion. The deck portion has a proximal end and a distal end. A first skirt member extends along and downward from the distal end of the deck portion in a generally radially outward direction. A first blade assembly includes a first blade member, provided in the interior of the first skirt member, to engage a rotating string member.
    Type: Grant
    Filed: December 31, 2017
    Date of Patent: May 28, 2019
    Assignee: Black & Decker, Inc.
    Inventors: Mark D Miller, Michael Cannaliato
  • Patent number: 10292718
    Abstract: An orthopedic reamer cutting tool is disclosed that incorporates a second material such as graphene having an increased coefficient of thermal conductivity to remove heat generated at the tissue cutting surface during use. The reamer is constructed having a hemispherical cutting shell that extends from an equatorial base to an apex at a distal end. A plurality of cutting teeth, each having a tissue cutting surface, extend from the exterior of the cutting shell. A reamer driver interface may be positioned spanning the diameter of the reamer base. The second material, having increased thermal conductivity, may be applied to the interior and/or exterior shell surfaces. In addition, the second material may be incorporated within the shell or the driver interface.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: May 21, 2019
    Assignee: VIANT AS&O HOLDINGS, LLC
    Inventors: Matthew L. Mroczkowski, Lasantha Viyannalage, Steven W Winn
  • Patent number: 10225981
    Abstract: In order to obtain favorable cutting quality throughout a long-term, a rotating body has a brace that rotates integrally with a drive shaft of a mower, and a main body made of synthetic resin that is joined to the brace. The main body includes an upper body that is joined to the brace, a flange portion having a diameter larger than that of the upper body, a lower body having a diameter smaller than that of the flange portion, and an engaging structure with which the linear cutter is engaged. The upper body has, on the outer circumferential surface thereof, a plurality of outlets, from each of which one end of the linear cutter is pulled out. With the upper body integrally joined to the lower body with the flange portion therebetween, the linear cutter that is pulled out of each of the outlets is positioned above the flange portion.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: March 12, 2019
    Assignee: KABUSHIKI KAISHA KITAMURA SEISAKUSHO
    Inventor: Kiyoshi Kitamura
  • Patent number: 10224524
    Abstract: The battery housing assembly, connected to a support shaft assembly of a string trimmer, includes a base housing member defining a chamber configured to receive a battery therein. The base housing member includes a frontal member configured to engage a front of the battery, a top member extending from the frontal member, configured to engage the top portion of the battery, and a bottom member, configured to engage a bottom portion of the battery. A first side member is configured to be removably connected to a first side of the base housing member; and a second side member configured to be removably connected to a second side of the base housing member.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: March 5, 2019
    Assignee: Black & Decker, Inc.
    Inventors: Mark D Miller, Brian Poole, John Palermo, Michael Cannaliato, Robert B Schoch
  • Patent number: 10212880
    Abstract: A high-efficiency cutting system for an autonomous mower provides a multiple blade tip cutting radius for a cleaner cut, and more complete mow. The system includes a spinning blade disk provided within a housing including a vertical standoff. The blade disk includes a first pair of cutting blades located between the center of the blade disk and the circumference of the blade disk, and a second pair of cutting blades located radially inward from the first pair of cutting blades. The cutting blades extend downward and away from the blade disk at an angle.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: February 26, 2019
    Assignee: MTD PRODUCTS INC
    Inventors: Ryan Cmich, Adam Ference
  • Patent number: 10194584
    Abstract: The cutting knife has a base member with first and second faces. One face has a topographic disturbance element arranged between knife edge and longitudinal center axis and shaping the elevation profile of the face. On the opposite face relative to the center plane an opposite elevation profile with contour line is formed. The contour line points of the contour line of the first elevation profile are positioned opposite the contour line points of the opposite contour line on perpendiculars to the center plane. The contour line of the first elevation profile and the opposite contour line are noncongruent. The contour line of the first elevation profile extends transversely to the longitudinal center axis of the base member across the disturbance element and has an ascending line section and a descending line section. A turning point positioned between these line sections is a component of the disturbance element.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: February 5, 2019
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: David Günther, Fabian Pöhler
  • Patent number: 10178827
    Abstract: A fixed-line rotary trimmer head is provided having pivoting posts (line holding mechanisms) which allow folded strips of trimmer line to pivot out of the way when impacting stones, metal posts and the like to reduce wear and tear on the line and reduce line breakage, the trimmer line is loaded from the underside of the trimmer head and follows an approximate 90 degree curvilinear channel so that the distal ends of the line extend out the side of the trimmer head for use, the trimmer head also comprises means for pushing the trimmer line partially out of the channel for ease of use and for removal of unused trimmer line.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: January 15, 2019
    Assignee: Shakespeare Company, LLC
    Inventor: David B. Skinner
  • Patent number: 10136577
    Abstract: Fixed-line trimmer heads for rotary trimmer devices and associated methods are provided. A fixed-line trimmer head for a rotary trimmer device includes a housing operatively attachable to the rotary trimmer device. The housing is rotatable when in use around a central axis of rotation and has a top surface extending outwardly from the central axis and facing upward when in use, a bottom surface extending outwardly from the central axis and facing the ground when in use, and a periphery connecting the top surface to the bottom surface. At least one line channel is defined within the housing of the trimmer head having an entrance recessed within the periphery and an exit disposed on one of the top and bottom surfaces, wherein the entrance and exit are each located an equal distance from the axis of rotation.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: November 27, 2018
    Assignee: Shakespeare Company, LLC
    Inventor: David B. Skinner
  • Patent number: 10130030
    Abstract: A spool for a trimmer head has a structure for guiding a pair of separate trimmer line pieces through a core of the spool. The spool includes separate trimmer line channels formed through the core, each channel receiving one of the trimmer line pieces. A spool cover is positionable adjacent to the spool to enclose the channels. The spool cover includes a pair of cantilever springs extending therefrom for releasably securing the trimmer line pieces within the channels.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: November 20, 2018
    Assignee: MTD Products Inc
    Inventors: Michael Robert Sprungman, Charles Lee Cites
  • Patent number: 10124427
    Abstract: The present utility model relates to a twin saw blade cutter, improves upon the existing foundation of inner and outer saw blades, small and large output shafts, first and second gearwheels and a power gear shaft, etc., in that the small output shaft is designed with a first annular locking groove and a second annular locking groove located between the first and second gearwheels, a first locking spring which presses against a fifth bearing is mounted in the first annular locking groove, a second locking spring is mounted in the second annular locking groove, and at the same time a flexible piece which arches towards the side of the second locking spring is further sleeved on the small output shaft, the two ends of the flexible piece pressing against the second gearwheel and the second locking spring respectively.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: November 13, 2018
    Assignee: NINGBO BLACKPINE TOOLS CO., LTD.
    Inventor: Zhongguang Qian
  • Patent number: 10123544
    Abstract: The invention relates to a tool for manual or especially automatic removal of tenderloins from half-carcasses of slaughtered animals. The tool comprises a circular knife blade, a blade housing supporting the knife blade, and a movable knife blade protector. The tool is connected to a motor capable of driving the knife blade. A tenderloin is partly cut free with the knife, the knife blade protector is activated to protect the knife blade and the tool is used to pull the tenderloin free from the half-carcass without damaging the tenderloin with the knife. The tool can be arranged on a robot and can be used for automatic removal of tenderloins from half-carcasses at slaughterhouses.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: November 13, 2018
    Assignee: TEKNOLOGISK INSTITUT
    Inventor: Peter Andersen
  • Patent number: 10124500
    Abstract: A blade housing assembly for a power operated rotary knife including a split blade housing and a cam mechanism actuatable for changing a blade housing diameter between a blade supporting position and a blade changing position. The blade housing including an annular blade support section, a mounting section and a radially extending split extending through the mounting section and an inner wall of the blade support section and defining a split distance between first and second circumferential ends of the inner wall. The mounting section includes a first body portion and a second body portion on opposite sides of the radially extending split. The cam mechanism includes a cam plate bridging the first and second body portions and a cam member rotatably supported by the cam plate. The cam member is rotatable between a first, closed position and a second, open position to change the blade housing diameter.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: November 13, 2018
    Assignee: Bettcher Industries, Inc.
    Inventors: Jeffrey A. Whited, Dennis R. Seguin, Jr.
  • Patent number: 10092304
    Abstract: A surgical instrument assembly includes a metallic hemispherical component and a driver component removably coupled to the hemispherical component. The metallic hemispherical component has a convex outer surface configured to engage a patient's natural acetabulum, a concave inner surface positioned opposite the outer surface and defining a cavity in the hemispherical component, a plurality of cutting teeth extending outwardly from the outer surface, and a plurality of apertures defined in the inner surface. The driver component has a shank and a plurality of ribs secured to, and extending outwardly from, the shank. Each rib has a tab that is received in a corresponding aperture of the hemispherical component to secure the driver component to the hemispherical component.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: October 9, 2018
    Assignee: DePuy Ireland Unlimited Company
    Inventors: Michael Fortin, John Cuneo, Rod Cameron
  • Patent number: 10070582
    Abstract: A trimmer head may include a housing rotatable about an axis; and a line holder supported by the housing. The line holder defines a first receptacle, a second receptacle separated from the first receptacle and an opening communicating with the first receptacle and the second receptacle. A line is supportable by the line holder, the line having a first end and an opposite second end, the line being folded to provide a first line section from the first end toward a folded portion and a second line section from the second end toward the folded portion, the folded portion being insertable into the opening, the first line section being received in the first receptacle, the second line section being received in the second receptacle.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: September 11, 2018
    Assignee: TTI (MACAO COMMERCIAL OFFSHORE) LIMITED
    Inventors: Eric Nolin, Benjamin H. Cogan, Robert L. Morrison, Steve Coghill
  • Patent number: 10070534
    Abstract: A tool for cutting the isthmuses in slots of a plate comprising PCBs includes: a base plate, a spindle having a shank and a cutting tip, a spindle support fixed to the base plate and revolvingly supporting the spindle, a head fixed to the base plate and provided with a through hole wherein the shank of the spindle is disposed, a guide mounted on the head and provided with a through hole wherein the cutting tip of the spindle is disposed, in such manner that a portion of the cutting tip of the spindle protrudes from the guide, the guide having a guide rib disposed in alignment with the cutting tip of the spindle and suitable for being inserted into the holes of the plate comprising the PCBs to guide a relative movement of the plate comprising the PCBs with respect to the tool.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: September 4, 2018
    Assignee: PIERGIACOMI SUD-S.R.L.
    Inventor: Andrea Carini
  • Patent number: 10039567
    Abstract: A combination (2290) of an annular rotary knife blade (2300) and blade housing assembly (2400) for a power operated dermatome (2000). The rotary knife blade includes an inner wall (2310) defining an interior region (2301) and including a lower tissue-directing surface (2370) adjacent a cutting edge (2360) and a radially recessed upper portion (2380). The blade housing assembly includes a blade housing (2410) having a first end (2412) and an axially spaced apart second end (2414) and an inner wall (2416) and a radially spaced apart outer wall (2418). The blade housing includes a blade housing cover (2450) extending from the inner wall into the blade interior region. The blade housing cover includes a shield (2470) extending along the recessed upper portion of the rotary knife blade inner wall and having an inner surface (2472) adjacent and continuing the lower tissue-directing surface of the rotary knife blade inner wall.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: August 7, 2018
    Assignee: Exsurco Medical, Inc.
    Inventors: Bernard J. Esarey, Jeffrey A. Whited
  • Patent number: 10034422
    Abstract: The present invention is directed to a string trimmer line feeding mechanism having a sliding lever that locks a spool relative to the spool housing, and only feeds additional cutting line when the user actuates a button. This brakes a motor, which generates a force acting on the spool to move the lever into an unlocked position, allowing the spool to rotate relative to the spool housing and feed additional cutting line.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: July 31, 2018
    Assignee: BLACK & DECKER INC.
    Inventor: John Palermo
  • Patent number: 10028752
    Abstract: An orthopedic surgical instrument that includes an elongated body having a longitudinal axis extending through a distal end and a proximal end, and a plurality of cutting teeth are extending from a medial side of the elongated body. Each cutting tooth includes a first curved medial edge, and a curved outer surface that extends distally from the first curved medial edge to a second curved medial edge. When the instrument is viewed in a coronal plane, the curved outer surface of each medial cutting tooth extends parallel to the longitudinal axis of the elongated body.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: July 24, 2018
    Assignee: DePuy Synthes Products, Inc.
    Inventors: Adam Carver, Jeremiah Lewis, Conrad Klotz, Jenna Ross, Chad Lawrence
  • Patent number: 10028433
    Abstract: A string trimmer equipped with a knife and deflector apparatus mounted on the shroud directs cut debris laterally away from a workperson operating the string trimmer. A knife cutting edge located below the shroud cuts vegetation moved by the revolving string into cut debris. An upwardly extended radial deflector mounted on the shroud directs the cut debris laterally away from the shroud and workperson.
    Type: Grant
    Filed: November 24, 2013
    Date of Patent: July 24, 2018
    Inventors: Robert V. Albertson, Deah L. Udell
  • Patent number: 10022146
    Abstract: An exemplary hand-held, power operated dermatome comprises a blade housing assembly, a skin deflector, an annular rotary knife blade, a cutting plane, and a depth gauge. The rotary knife blade has an inner region, an upper body portion, and a lower cutting portion. The lower cutting portion has an inner surface, an outer surface, and a bottom surface. A cutting edge of the rotary knife blade is formed by the intersection between the inner surface and the bottom surface of the lower cutting portion. The cutting plane of the dermatome is defined by the cutting edge of the rotary knife blade, and the depth gauge is disposed within the inner region of the rotary knife blade.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: July 17, 2018
    Assignee: Exsurco Medical, Inc.
    Inventors: Bernard J. Esarey, Jason A. Sukey, Jeffrey A. Whited
  • Patent number: 9986682
    Abstract: A fixed-line trimmer head for a rotary trimmer device includes the upper portion having a periphery, wherein the upper portion has a plurality of openings spaced from the periphery; and a plurality of mechanisms. Each mechanism can hold a strip of line and includes a post portion disposed through one of the openings in the upper portion, and a flange disposed at one end of the post portion and sandwiched between the upper portion and lower portion of the trimmer head to prevent vertical movement of the mechanism. The post portion includes two line channels, each line channel defining a passageway to receive the same strip of line, wherein at least one of the line channels is curved such that any portion of the strip of line being received through the passageway of that line channel is bent at that portion of the strip of line away from the second line channel while passing through that at least one line channel that is curved.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: June 5, 2018
    Assignee: Shakespeare Company, LLC
    Inventors: David B. Skinner, Wen Liu
  • Patent number: 9987006
    Abstract: A surgical instrument comprises a shaft, an end effector extending distally from the shaft, and a housing extending proximally from the shaft. The housing comprises a first shroud portion, a second shroud portion, a working assembly nested in the first shroud portion, wherein the working assembly is detachable from the first shroud portion, wherein the second shroud portion is removably couplable to the first shroud portion to permit the working assembly to be detached from the first shroud portion, and at least one securing member movable to secure the working assembly to the first shroud portion.
    Type: Grant
    Filed: August 23, 2013
    Date of Patent: June 5, 2018
    Assignee: Ethicon LLC
    Inventors: Jerome R. Morgan, Frederick E. Shelton, IV
  • Patent number: 9943319
    Abstract: An instrument for preparing an acetabulum. The instrument includes a handle having a reamer coupling feature and a trial coupling feature. The instrument further includes an acetabular reamer having an outer cutting surface and an inner concave surface having an apex. The acetabular reamer has a first handle coupling feature located at the apex adapted to couple to the reamer coupling feature of the handle. A trial having an outer convex surface having an apex is also included. The outer convex surface adapted to fit inside the inner concave surface of the acetabular reamer. The trial has a second handle coupling feature located at the apex of the outer convex surface adapted to couple to the trial coupling feature of the handle.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: April 17, 2018
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Michael Fortin, Larry McCleary, Ken Hayes
  • Patent number: 9943973
    Abstract: A powered rotary knife includes a handle, a blade housing, an annular blade, and a blade bushing for rotatably mounting the blade within the housing. The blade housing includes an inner groove that is operable to receive the blade bushing therein. The blade housing and blade bushing are split in order to expand and receive the blade. The blade includes an outer groove that is also operable to receive the blade bushing. Thus, the blade bushing is spaced between the blade housing and blade and rotatably secures the blade within the blade housing.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: April 17, 2018
    Assignee: Hantover, Inc.
    Inventor: Clark A. Levsen
  • Patent number: 9924631
    Abstract: A trimmer head for use with either clockwise or counterclockwise trimmer heads, including the use of a bidirectionally dispensing spool. Various locations of passages straight through the trimmer head and spool are shown along with various locations of components of the ratcheting mechanism to allow for winding of the trimmer line on the trimmer head and for limiting the amount of line dispensed during “bumping” of the trimmer head knob on the ground. Additionally, an extended funnel into the passage can be provided to facilitate entrance of trimmer line into the funnel even when the line is not perfectly straight. Also, spokes can be used in place of the flanges of the spool to save material and cost, while still providing a guide and barrier between the line store areas.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: March 27, 2018
    Inventor: George E. Alliss
  • Patent number: 9907225
    Abstract: A tapping body for a head for a hedge trimmer that includes a lower portion (2), destined to be tapped or pressed onto the ground, and a side portion (3) which is so structured as to be arranged through a lower opening (11) of a casing (10) of the head; a projecting part (4), which protrudes externally to the side portion (3) and is provided with a lower waved profile (41).
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: March 6, 2018
    Assignee: TECOMEC S.R.L.
    Inventors: Enrico Cigarini, Salvatore Longo
  • Patent number: 9876201
    Abstract: An electric working machine including: a housing to which a battery is configured to be detachably mounted, wherein the housing is configured such that a weight unit including a weight can be mounted to the housing.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: January 23, 2018
    Assignee: HITACHI KOKI CO., LTD.
    Inventors: Megumi Ishikawa, Shingo Kosugi, Hirohisa Tomita
  • Patent number: 9864089
    Abstract: A detector with a telescoping support tube wherein a measuring probe is arranged at a front of a forward tube element and an electronics unit with a battery compartment, a handle element and axially offset rearward therefrom a U-shaped arm shell with two arm support bars are arranged at a rear tube element, wherein the arm support bars are pivotable relative to the rear tube element. The arm shell is axially moveable relative to the handle element and includes two arm shell elements which are laterally arranged at a support slide and pivotably moveable in a transversal direction of the support tube. The support slide is supported axially moveable by a support rail. According to the invention it is provided that the support slide is fixateable in a disengageable manner at the support rail at various locations through the arm shell elements.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: January 9, 2018
    Assignee: VALLON GMBH
    Inventor: Benjamin Andel
  • Patent number: 9854738
    Abstract: The adjustable guard assembly is connected to a head assembly of a string trimmer. The adjustable guard assembly includes a housing. The housing includes a mounting portion, which connects to a motor case. The housing further includes a deck portion, which extends from the mounting portion. The deck portion has a proximal end and a distal end. A first skirt member extends along and downward from the distal end of the deck portion in a generally radially outward direction. A first blade assembly includes a first blade member, provided in the interior of the first skirt member, to engage a rotating string member.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: January 2, 2018
    Assignee: Black & Decker, Inc.
    Inventors: Mark D Miller, Michael Cannaliato
  • Patent number: 9833919
    Abstract: A power operated rotary knife including an annular rotary knife blade supported for rotation in a blade housing. The rotary knife blade including a body and a blade section extending from the body. The body section including an outer wall including an upper, middle and lower portions. The upper portion of the outer wall including a bearing race extending radially inwardly into the outer wall. The lower portion of the outer wall including the driven gear. In one embodiment, the intermediate portion includes an annular land having an outer surface defining a radially outermost portion of the outer wall of the body, the outer surface of the annular land being radially outward of the driven gear and the bearing race. In another embodiment, the intermediate portion includes an annular channel having an inner surface being radially inward of first and second ends of the bearing race and the driven gear.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: December 5, 2017
    Assignee: Bettcher Industries, Inc.
    Inventors: Nicholas A. Mascari, Jeffrey A. Whited
  • Patent number: 9826679
    Abstract: A filament cutterhead is provided for mounting on the drive shaft of a brushcutter. The filament cutterhead includes a housing with a circumferential wall wherein a first wall opening for a cutting filament is formed. A filament spool arranged in the housing is rotatable relative to the housing. A filament channel with a filament inlet segment is provided in a partition wall of the filament spool. The filament channel extends from the filament inlet segment past the hub to a filament outlet segment which is assigned a second wall opening in the circumferential wall. The filament outlet segment is at an offset (v) with respect to the filament inlet segment in the circumferential direction of the hub. The mouth of the filament inlet segment and the mouth of the filament outlet segment lie within an outside diameter (A) of the partition wall and open into a pass-through space.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: November 28, 2017
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Sven Lang, Achim Rethaber
  • Patent number: 9801335
    Abstract: Trimmer heads for use with a rotary powered trimming device for cutting vegetation and methods of assembling such trimmer heads are provided. A trimmer head has one or more pivoting line holders and includes a single unitary molded housing having at least one recessed cavity located on the upper surface which is shaped and sized to receive a pivoting line holder. The recessed cavity includes reinforcement members for securely retaining the pivoting line holder therein via insertion of a metal bearing ring which allows for free rotation of pivoting line holder about its central axis within recessed cavity.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: October 31, 2017
    Assignee: Shakespeare Company, LLC
    Inventor: David B. Skinner
  • Patent number: 9770821
    Abstract: A battery operated handheld power tool, the power tool (1) comprising a working tool assembly (20), comprising a working tool of the power tool and an electric motor, arranged to drive the working tool, a handle assembly (10), comprising a body portion (11) to which a battery pack (13) may be detachably connected, which battery pack (13) is arranged to provide electric power to the electric motor, a control unit (15), provided in the body portion (16) so as to control a flow of electric current from the battery pack (13) to the motor. The battery operated handheld power tool is characterized in that the body portion (11) comprises a fan (14), arranged to generate a flow of air passing by the control unit (15) during operation of the power tool (1).
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: September 26, 2017
    Assignee: HUSQVARNA AB
    Inventors: Mikael Racov, Johan Svennung, Mikael Arvidsson
  • Patent number: 9750181
    Abstract: A head for hedge trimmer includes an external casing intended to rotate around an axis of rotation and equipped with at least one lateral exit hole for a cutting wire, the external casing internally presents a seating for the storage of a part of the cutting wire so that an end portion of the wire exits from the casing through a lateral hole. The head further includes, within the seating, a pair of presser discs facing each other and defining between them an annular shaped housing to contain part of the cutting wire. The presser elements are movable towards each other along the axis of rotation for compressing between them the part of the cutting wire stored between them.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: September 5, 2017
    Assignee: TECOMEC S.R.L.
    Inventor: Enrico Cigarini
  • Patent number: 9743582
    Abstract: An integrated string and trimmer blade system that allows a user to simultaneously employ one or more flexible lines and one or more blades during various types of cutting operations (e.g., grass, weeds, branches, etc.). The system may be implemented on any appropriate cutting apparatus such as walk-behind trimmers and/or mowers, hand-held trimmers, and the like. Broadly, the system includes a cutting member having a body that is rotatable about a pivot axis of the cutting apparatus. One or more cutting blades are pivotally attached to the body such that the blades can oscillate or otherwise pivot relative to the body as the body rotates about the central axis. At least one of the blades includes one or more line holders thereon for receipt and attachment of one or more flexible cutting lines or strings.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: August 29, 2017
    Assignee: Frictionless World LLC
    Inventor: Daniel Banjo
  • Patent number: 9729962
    Abstract: There is provided an external stereo microphone device that makes it possible to change orientations of microphones over a wide range. An external stereo microphone attached to a mobile electronic device includes a pair of symmetrically-positioned microphones 60, a holder unit 40 having a pair of holders 46 symmetrically positioned so as to accommodate the pair of microphones 60 respectively and a joint 48 for joining the pair of holders 46 together, and a case 14 having a substantially-cylindrical portion 20 that rotatably supports the holder unit 40 and a body 18 that accommodates a circuit board 22 of the case 14. The joint 48 is a substantially-plate-shaped region that joins outer circumferential edges of the holders 46 together and that has a circumferential width which is one-half or less of an entire circumference of the holder unit.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: August 8, 2017
    Assignee: TEAC Corporation
    Inventor: Hironao Ishizaki
  • Patent number: 9699964
    Abstract: A lawn care device may include a cutting deck housing at least one blade, a rotatable shaft, and a blade mount operably coupled to the rotatable shaft. The blade mount may include at least one engagement slot configured to enclose at least a portion of the at least one blade. The blade mount may further include at least one protruding member disposed within the engagement slot to secure the at least one blade within the engagement slot responsive to insertion of the at least one blade into the engagement slot.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: July 11, 2017
    Assignee: HUSQVARNA AB
    Inventors: Chris Roth, Darren Chandler, Lennie Rhoades, Steve Brinkman, Sean Dwyer
  • Patent number: 9686910
    Abstract: A trimmer head that can be attached to trimmer stems of varied length includes a stem attachment point, a lift, a base, a pull and twist mechanism, a plurality of blade posts, and a plurality of resting cavities. The trimmer stem is attached to the stem attachment point. The stem attachment point is positioned in between the lift and the base allowing the trimmer head to receive longer trimmer stems. Trimmer blades or trimmer lines are attached to the plurality of blade posts. The lift and the base are positioned adjacent to each other. Moreover, the plurality of blade posts are oriented towards the base. By using the pull and twist mechanism, the trimmer blades or the trimmer lines are positioned in between the lift and the base. The lift is offset from the base providing a maximum range of motion for the attached trimmer blades or trimmer lines.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: June 27, 2017
    Inventor: Randy A. Duvall
  • Patent number: 9687008
    Abstract: The fish descaling tool is adapted for use with a fish. Specifically, the fish descaling tool is a hand held device that is designed to remove scales from fish. The fish descaling tool is an electrically powered device that rotates a scaling cylinder in such a manner that the scaling cylinder will remove the scales of the fish without damaging the underlying flesh of the fish. The fish descaling tool comprises a scaling cylinder, a hood, a handle, a motor, and a power source.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: June 27, 2017
    Inventor: Carl Harris
  • Patent number: 9675364
    Abstract: An instrument for preparing an acetabulum. The instrument includes a handle having a reamer coupling feature and a trial coupling feature. The instrument further includes an acetabular reamer having an outer cutting surface and an inner concave surface having an apex. The acetabular reamer has a first handle coupling feature located at the apex adapted to couple to the reamer coupling feature of the handle. A trial having an outer convex surface having an apex is also included. The outer convex surface adapted to fit inside the inner concave surface of the acetabular reamer. The trial has a second handle coupling feature located at the apex of the outer convex surface adapted to couple to the trial coupling feature of the handle.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: June 13, 2017
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Michael Fortin, Larry McCleary, Ken Hayes
  • Patent number: 9635808
    Abstract: A head for an edge trimmer, comprising a casing (1), destined for comprising at least a cutting wire reel and to be set in rotation about an axis of rotation (X), said casing comprising at least one outlet opening (11), which is so structured as to enable passage of a portion of the cutting wire. The head comprises two bushes (12) which laterally delimit the outlet opening (11) and are rotatable about a respective axis of rotation (Y).
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: May 2, 2017
    Assignee: TECOMEC S.R.L.
    Inventors: Salvatore Longo, Enrico Cigarini
  • Patent number: 9618109
    Abstract: A turbo transmission mechanism for brush cutter is disclosed to include a casing defining therein a lubricant storage chamber, a transmission shaft rotatably mounted in the casing and partially inserted into the lubricant storage chamber, a transmission gear set mounted in the lubricant storage chamber of the casing and including a first bevel gear and a second bevel gear coaxially mounted at the transmission shaft and meshed with the first bevel gear for enabling the transmission shaft to be rotated by the second bevel gear during rotation of the first bevel gear by a power source, and a turbo mounted in the lubricant storage chamber and rotatable with the transmission shaft to stir up the lubricant in the lubricant storage chamber, enhancing heat dissipation.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: April 11, 2017
    Assignee: JYEN HERR ENTERPRISE CO., LTD.
    Inventor: Kevin Yao
  • Patent number: 9592076
    Abstract: A head assembly (200) for a power operated dermatome (100) including a frame body or housing (202) supporting a gear train (520), a blade housing assembly (400), an annular rotary knife blade (300) supported for rotation about an axis of rotation (R) by the blade housing assembly (400). The rotary knife blade (300) includes an inner wall (365) defining an interior region (301) and has a cutting edge (360) at one end (368) defining a cutting plane (CP). The head assembly (200) further includes a depth gauge assembly (600) including a depth gauge support (602) and a depth gauge (620) including a depth gauge plate (622) supported by the depth gauge support (602) for axial movement along the axis of rotation (R), the depth gauge plate (622) extending into the interior region (301) and the depth gauge support (602) attached to and extending from the frame body (202).
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: March 14, 2017
    Assignee: Exsurco Medical, Inc.
    Inventors: Bernard J. Esarey, Jason A. Sukey, Jeffrey A. Whited