Floor And Wall Cleaner Patents (Class 15/49.1)
  • Patent number: 11497364
    Abstract: Embodiments of the disclosure relate to a robot cleaner and a controlling method thereof, and more particularly, to a robot cleaner and a traveling algorithm of a robot cleaner having an improved structure. A robot cleaner of the disclosure includes a brush unit having a suction flow path, a body unit configured to have a driving device, and be coupled to the brush unit to be rotatable with respect to the brush unit and a redirection device configured to rotate the body unit relative to the brush unit, and the redirection device includes a rotation guide extending along an inner circumferential surface of the brush unit, a rotation driving source disposed in the body unit and generating power, and a power transmission member which moves along the rotation guide by the power transmitted from the rotation driving source and rotates the body unit with respect to the brush unit.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: November 15, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Deok Sang Yun, Sang In Lee, Sung Jae Lee, Hwan Dong Lee, Hyoung Sub Choi
  • Patent number: 11486106
    Abstract: A brush retrofit for mounting behind a snow plow blade of a snow removal vehicle is disclosed. The brush retrofit includes a base frame, a stationary brush assembly, a retrofit mount, a brush elevation actuator, and a retrofit mount. The stationary brush assembly is movably mounted to the base frame. The retrofit mount is configured to secure the base frame to a support structure of the snow removal vehicle behind the snow plow blade. The brush elevation actuator when activated, moves the stationary brush assembly relative to the base frame between a raised storage position and a lowered in-use position. The retrofit mount is configured to secure the base frame to a support structure of the snow removal vehicle behind the snow plow blade.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: November 1, 2022
    Inventors: Robert Chaput, Brennen Chaput, Patrick Ratthe
  • Patent number: 11478115
    Abstract: An autonomous traveling floor cleaner is disclosed that improves cleaning efficiency. A floor cleaner may include a suction nozzle that suctions suction matter collected by a rotary brush, an extension nozzle that suctions suction matter collected by an extension brush, and a collection box for collecting, through an inlet, the suction matter suctioned by the nozzles. The floor cleaner may have an elongated profile. The extension nozzle may be switchable between a retracted posture and a lateral cleaning posture. The extension nozzle in the lateral cleaning posture may be pivotable rearward. The extension nozzle in the lateral cleaning posture may have a protruding end in the width direction to be aligned with an end of a turning range of the floor cleaner in the width direction.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: October 25, 2022
    Assignee: OMRON CORPORATION
    Inventors: Tomokazu Imae, Atsushi Mizoguchi
  • Patent number: 11382476
    Abstract: An orbital single-brush machine that comprises a chassis which is configured to rest on the floor and is provided with at least one movement handle. The chassis is connected to a motor which is adapted to actuate with combined rotary and orbital motion a work tool that acts on the floor; the chassis comprises a first footing, which is at least partially substantially plate-shaped and is spaced apart from the floor, and a second footing, which is at least partially substantially plate-shaped, supports the motor and is arranged below the first footing, and is supported so that it can rotate freely by the first footing about an oscillation axis which is substantially parallel to the floor and substantially perpendicular to the direction of advancement of the machine. Shock absorbing means are provided which act between at least one portion of the first footing and at least one portion of the second footing.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: July 12, 2022
    Assignee: T.M.B. S.R.L.
    Inventor: Giampaolo Ruffo
  • Patent number: 11207756
    Abstract: Systems and methods are provided for an electric tool (e.g., a power tool) that includes an output driver for receiving an accessory, and an accessory-type detector. A motor of the electric tool is coupled to the output driver for driving the accessory. The power tool also includes an operation trigger for activating the motor and a motor controller. The motor controller includes an electronic processor that is coupled to the accessory-type detector, the motor, the operation trigger, and a memory. The memory stores instructions that when executed by the electronic processor cause the motor controller to detect a characteristic of the accessory from output of the accessory-type detector. The motor controller determines an operational characteristic for the accessory based on the detected characteristic, and controls operation of the motor to drive the accessory according to the operational characteristic when the operation trigger is activated.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: December 28, 2021
    Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
    Inventors: John S. Dey, IV, Corey J. Dickert
  • Patent number: 11134820
    Abstract: The floor machine provides an attachment system capable of securing a handle to the floor machine at multiple locations. A housing of the floor machine provides two attachment bodies located on the exterior of two different walls of the housing. By securing the handle to the different attachment points, the user can configure the footprint of the floor machine to increase the user's access to narrower and/or smaller confined areas.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: October 5, 2021
    Assignee: SQUARE SCRUB, L.L.C.
    Inventor: Kevin Douglas Brady
  • Patent number: 10993598
    Abstract: A robot cleaner includes a rolling cleaning module including a rolling member configured to rotate clockwise or counterclockwise when viewed from a left side while in contact with a floor, a sensor unit, and a controller configured to detect a change in position of the robot cleaner and a change in load current of a motor connected to the rolling member based on data detected by the sensor unit. When there is a change in position and a change in load current, a specific area of a floor is determined to be a contaminated area.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: May 4, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Jeongseop Park, Jaewon Jang, Donghoon Kim
  • Patent number: 10960510
    Abstract: A device for attaching abrasive drive plates to the motor driver, rotatable arms of a floor finishing machine so that it can be used to grind and polish hardened concrete has a polygonal shaped driver member to which is affixed at least one abrasive drive plate using spherical bearings on its or their drive shafts so that it is or they are free to both spin and to tilt relative to a vertical axis. A locking cap containing a radial bearing may be affixed to housings for the radial bearings for constraining the drive plate shafts solely to pure rotation about the vertical axis. A plurality of channel members is affixed to an upper surface of the polygonal shaped driver for coupling it to the arms of the floor finishing machine.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: March 30, 2021
    Assignee: Diamond Productions Ltd.
    Inventors: Harvey Stark, Pavel Ikonomov
  • Patent number: 10881260
    Abstract: A cleaning head assembly for a surface maintenance machine comprising a cleaning tool having a tool adapter, a driver adapted to provide a generally rotational motion to the cleaning tool to clean the floor surface, the driver being releasably connected to the tool adapter of the cleaning tool by a hub, and an aligning receptacle coupled to the tool adapter of the cleaning tool and positioned between the hub and the tool adapter, the aligning receptacle having an receptacle opening for receiving the hub, wherein the aligning receptacle is adapted to guide and matingly seat the hub into the receptacle opening and thereby engage the cleaning tool to the driver such that the cleaning tool and the driver are rotationally aligned and a rotational motion of the driver is transferred to the cleaning tool by the hub.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: January 5, 2021
    Assignee: Tennant Company
    Inventors: Warren L. Larson, Kevin R. Williams, Adam J. C. Runnoe, Ronald W. Lehman
  • Patent number: 10844946
    Abstract: A gear assembly includes an upper cover and a lower cover, a stator fixed to the lower cover, a rotor opposite to the stator and including a rotary shaft and magnet, a main gear fixed to the rotary shaft and rotating along with the rotary shaft, and a helical gear engaged with the main gear, the main gear and the helical gear being both received in the cover member, the upper cover including a boss portion with a recess receiving a tip of the rotary shaft. The rotor is axially movable and when the rotary shaft stops rotating, the tip of the rotary shaft is in the recess of the boss portion, and when the rotary shaft rotates, the helical gear applies a force on the main gear, and the tip of the rotary shaft is disengaged from the recess of the boss portion.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: November 24, 2020
    Assignee: NIDEC CORPORATION
    Inventors: Tiecheng Zhang, Xuechao Zhang, Zhenmin Han
  • Patent number: 10814359
    Abstract: A cleaning mechanism, a cleaning device, and an air conditioner are disclosed. The cleaning mechanism is configured to remove dust of an member object to be cleaned, and includes a dust suction member and a switch member. The dust suction member is movable in a reciprocating manner with respect to a surface to be cleaned of the object, and is provided with at least two separate dust suction chambers each having a dust suction port. In an extension direction of the dust suction chambers, a projected length of the dust suction port on the surface to be cleaned is smaller than the length of the surface to be cleaned. Each of the dust suction chambers is configured to communicate with a fan, and the switch member selectively communicates the fan with one of the dust suction chambers.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: October 27, 2020
    Assignee: Gree Electric Appliances, Inc. of Zhuhai
    Inventors: Jiebin Yu, Zhihui Liang
  • Patent number: 10750919
    Abstract: A cleaning machine and path control method therefor has a main motor and fan blade unit arranged between upper and middle housings. Three groups, each including edge wheel motor, edge wheel gear set and edge wheel worm are distributed in a triangle between its middle and lower housings. When the main motor is turned on, it draws air through the fan blade unit, from between its chuck and a surface to be cleaned, with the chuck attached to the surface to be cleaned. When the edge wheel motor is turned on, it drives a cloth through the edge wheel gear set, so that friction is generated between the cleaning cloth structure and the surface to be cleaned, thereby cleaning the surface to be cleaned.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: August 25, 2020
    Inventor: Jichuan Luo
  • Patent number: 10682735
    Abstract: A surfacing apparatus supported adjacent a substantially vertical surface of a structure for applying an even and uniform texture to the surface of the structure using a selectively adjustable force exerted on a texturing means to engage the surface of the structure. The surfacing apparatus is suited for horizontal and vertical movement in controlled prescribed paths under controlled and prescribed pressure from the adjustable tensioning means. The surfacing apparatus can include a texturing head that can be configured to conform to the contour of a curved work surface to apply an even and uniform texture thereon.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: June 16, 2020
    Assignee: Vertical Concrete Polishing Inc.
    Inventor: Mark Jack Richardson
  • Patent number: 10675727
    Abstract: The grinder dolly is configured for use with a disk grinder. The disk grinder further comprises a grinder motor and a grinding disk. The grinder dolly is a wheeled bracket. The disk grinder attaches to the grinder dolly such that the grinding disk can be used to grind or polish a supporting surface. The grinder dolly comprises a handle, a plurality of wheels, and a power distribution system. The disk grinder attaches to the handle. The plurality of wheels are used to roll the disk grinder over the supporting surface. The power distribution system provides electrical energy to the disk grinder.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: June 9, 2020
    Inventor: Charles Casey
  • Patent number: 10632586
    Abstract: In an example embodiment, a floor sander comprises a motor having at least two selectable speeds, and a sanding adaptor driven to rotate about a rotational axis by the motor. The sanding adaptor includes a planetary disk that rotates about the rotational axis of the sanding adaptor. In addition, the sanding adaptor includes a plurality of sanding head units, each of which is coupled to the planetary disk for independent rotational movement. Each sanding head unit therefore rotates about its own rotational axis independently of any other sanding head unit or the planetary disk. An isolator is also provided, and is positioned generally between the planetary disk and the motor.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: April 28, 2020
    Assignee: Amano Pioneer Eclipse Corporation
    Inventors: Shawn Wright, Derrick L. Hamm
  • Patent number: 10617376
    Abstract: Provided are a C-arm X-ray imaging apparatus and a base for the apparatus, the base comprising a drive member, a horizontal portion and a sunk portion. The sunk portion comprises a rotary disc connected to the horizontal portion and the drive member, and an upper surface of the rotary disc is flush with or lower than a lower surface of the horizontal portion. The rotary disc is configured to be rotatable about its center of rotation under the driving of the drive member so as to drive the base to rotate.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: April 14, 2020
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Hailiang Liu, Jia Chen, Herve Kamdoum Choumin
  • Patent number: 10610077
    Abstract: A surface maintenance machine is provided having a maintenance head assembly positioned substantially within an envelope of the machine. The maintenance head assembly has at least one maintenance tool attachable thereto. The machine also includes a tool eject mechanism positioned below an upper surface of the body. The tool eject mechanism can generate a drop force sufficient to overcome the force between the maintenance tool and the maintenance head assembly. The tool eject mechanism can have an eject button extending above the upper surface of the deck. The eject button can be actuable by at least a portion of the upper surface of the body of the machine when the maintenance head assembly is raised toward the upper surface of the body of the machine beyond a transport position into a tool eject position.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: April 7, 2020
    Assignee: Tennant Company
    Inventor: Kyle D. Sedam
  • Patent number: 10582825
    Abstract: An apparatus is provided which is capable of cleaning soiled concrete or other hard surfaces using significantly less water and detergent than typical pressure washers. A dual brush mode allows for more surface treatment. A safety electrical system allows the system to be used safely outdoors. The highly maneuverable maintainer utilizes industry standard components from floor maintenance equipment integrated with a horizontally stable wheeled platform, as well as, an adjustable and wear-compensating suspension system that can accommodate a variety of surfaces. The result is a low noise, low carbon footprint, low resource apparatus that moves easily in any direction while providing direct rotary brush scrubbing to clean soiled concrete or other hard surfaces.
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: March 10, 2020
    Inventor: Dean Paavola
  • Patent number: 10548444
    Abstract: A robot cleaner includes: a base body forming a bottom part of a cleaner body; a first wheel module and a second wheel module installed to be spaced apart from each other, and configured to moveably support the base body; a suction motor module and a battery module provided between the first and second wheel modules; and a suction nozzle module provided at a front side of the suction motor module and the battery module, and configured to suck air of a region to be cleaned, wherein a plurality of module accommodation portions which are open towards a lower side of the robot cleaner are formed at the base body, and wherein the first wheel module, the second wheel module, the suction motor module, the battery module, and the suction nozzle module are inserted into the module accommodation portions, respectively, in parallel to each other.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: February 4, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Changhwa Sun, Sangjo Kim
  • Patent number: 10524628
    Abstract: A robot cleaner comprising: a cleaner body including a wheel unit for autonomous traveling and a suction unit sucking air containing dust; a sensing unit disposed at one side of the cleaner body; a dust container accommodated in a dust container accommodation part formed at the other side of the cleaner body, the dust container collecting dust filtered from sucked air; and a dust container cover disposed to cover a top surface of the dust container, wherein an upper end of the sensing unit is formed at a position protruding upward from a top surface of the cleaner body and a top surface of the dust container cover.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: January 7, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Bohyun Nam, Inbo Shim, Jihoon Sung, Sojin Park, Seunghyun Song, Sangkyu Lee, Woochan Jun
  • Patent number: 10414011
    Abstract: A surfacing apparatus supported adjacent a substantially vertical surface of a structure for applying an even and uniform texture to the surface of the structure using a selectively adjustable force exerted on a texturing means to engage the surface of the structure. The surfacing apparatus is suited for horizontal and vertical movement in controlled prescribed paths under controlled and prescribed pressure from the adjustable tensioning means.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: September 17, 2019
    Assignee: Vertical Concrete Polishing Inc.
    Inventor: Mark Jack Richardson
  • Patent number: 10406648
    Abstract: An apparatus for abrading a surface is provided. The apparatus includes: a framework with a motor housed therein; a chassis housing a drivetrain, the drivetrain including a drive pulley operative connected to the motor, a plurality of tool assembly pulleys, a belt operatively connecting the drive pulley and the plurality of tool assembly pulleys; a plurality of tool assemblies operatively connected to the drive pulley and the plurality of tool assembly pulleys, each tool assembly including: a tool holder, a tool plate comprising a tool segment with an abrading surface, wherein the tool holder and tool plate are detachably connected by a plurality of equidistantly spaced pins, wherein the number of pins is a multiple of three.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: September 10, 2019
    Assignee: NewGrind Inc.
    Inventor: Owen Rogers
  • Patent number: 10407924
    Abstract: A float sprayer system for efficiently dispensing a fluid from a float to treat a curing material. The float sprayer system generally includes a float for smoothing a curing material and at least one sprayer on the float; with the at least one sprayer being adapted to dispense a fluid from the float. A pump is fluidly connected to the at least one sprayer by a conduit which extends through a handle that is connected to the float. The pump is adapted to transfer the fluid from the fluid source through the conduit to be dispensed by the at least one sprayer on the float. A valve on the handle may be utilized to control flow through the conduit within the handle, and a mobile device may be utilized to control the pump.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: September 10, 2019
    Inventor: Credem H. Johnson
  • Patent number: 10370863
    Abstract: A mounting adapter for mounting a surface processing tool having a rotational or longitudinal axis to at least one spider arm of a rotatable spider assembly of a surface processing apparatus, the spider arm having a leading side and a trailing side as a function of the direction of rotation of the spider assembly. The mounting adapter has a first element for removably attaching the adapter to the spider arm and a second element positioned circumferentially offset behind the first element for positioning the rotational or longitudinal axis of a surface processing tool circumferentially offset behind the trailing side of the spider arm. The first element is an elongate handle and the second element is a planar plate which extends generally perpendicularly from the handle between one end of the handle and a point intermediate the ends of the handle.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: August 6, 2019
    Assignee: Wagman Metal Products Inc.
    Inventors: Jeffrey L. Snyder, George F. Wagman, III
  • Patent number: 10349732
    Abstract: A rotating cosmetics brush includes a movable brush head mounted in a housing. A motion actuator is operative to move the brush head in a rotational motion, wherein the brush head rotates about a rotational axis and simultaneously moves in a non-oscillatory movement about another axis different than the rotational axis.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: July 16, 2019
    Assignee: Home Skinovations Ltd.
    Inventors: Jianhan Zou, LiuAn Yuan, Jiarong Wang, Xuesong Song
  • Patent number: 10338595
    Abstract: A method for treating a floor surface is provided using a self-propelled and self-steering floor treating apparatus, wherein the treatment is based on a pattern along which the floor treating apparatus is moved, wherein the pattern has paths in side-by-side relationship to one another, and wherein when the floor treating apparatus travels a path, a respective treatment area is covered and treated. The pattern is adapted to at least one of the size and contour of the floor surface such that boundaries thereof opposite each other each have a path extending therealong with a treatment area adjacent to the boundary and intermediate paths are arranged such that full-coverage treatment of the floor surface is realized, wherein the relative position of at least two paths in side-by-side relationship is such that the treatment areas thereof at least partially overlap. A floor treatment apparatus for carrying out the method is also provided.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: July 2, 2019
    Assignee: Alfred Kärcher SE & Co. KG
    Inventors: Heiko Hoennige, Christian Hofner, Carsten Eckart
  • Patent number: 10230284
    Abstract: An electric motor assembly includes a rotor, a stator, and a gear assembly. The gear assembly includes a drive gear, a ring gear, and an intermediate gear disposed between and engaging each of the drive gear and the ring gear. The gear assembly further includes a carrier supporting the intermediate gear and being fixed relative to the stator so as to be stationary relative thereto. The ring gear is rotatable relative to the carrier and the stator.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: March 12, 2019
    Assignee: Nidec Motor Corporation
    Inventors: William D. Moore, Joshua M. Biro, Richard J. Fadler, Matthew D. Allen, Philip S. Johnson, Michael E. Moore, John M. Tucker
  • Patent number: 10179381
    Abstract: An insertion tool includes at least one machining region, and at least one fastening region. The at least one fastening region is configured to couple to at least one tool holding fixture of a handheld machine tool, and has at least two fastening elements arranged substantially into a circle around a drive axis. The at least one fastening region is further configured to be at least substantially free of recesses in a radial direction within the circle.
    Type: Grant
    Filed: January 15, 2013
    Date of Patent: January 15, 2019
    Assignee: Robert Bosch GmbH
    Inventor: Bruno Luescher
  • Patent number: 10017006
    Abstract: A roller kit for a power washer surface cleaner attachment. A roller mount includes a bracket mounting a roller for rotation with respect to the roller mount and a clip for securing the roller kit to the surface cleaner attachment such that the roller is operatively aligned with the surface cleaner attachment for rolling over a surface to guide movement of the surface cleaner attachment along said surface. The clip includes a base portion supporting the bracket and an arm portion opposing the base portion. The clip is configured to bend resiliently in an opening direction to define an opening between the arm portion and the base portion for receiving a side wall of the shroud and to rebound in a gripping direction to grip the side wall between the arm portion and the base portion and thereby secure the roller kit to the surface cleaner attachment.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: July 10, 2018
    Assignee: Control Devices, LLC
    Inventors: Steven Salmons, James E. Norris, Jr.
  • Patent number: 9980556
    Abstract: A floor cleaning implement, such as a disc brush, for use in a floor maintenance machine includes a core providing a female portion of a mating interface. The female portion has a central recess with a plurality of pockets extending radially outward from the central recess. Each of the plurality of pockets has a head section that is radially distal from the central recess and has a neck section that is radially intermediate the respective head section and the central recess. Each head section is wider in an angular direction than the corresponding neck section.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: May 29, 2018
    Assignee: RPS Corporation
    Inventor: Sean K. Goff
  • Patent number: 9975215
    Abstract: A base for sanding machines, grinding machines or the like includes a body (10) connectable to a machine (M) or integral therewith, the body (10) being provided with at least three supports (P) arranged in such a manner that their ends (P?) lie on a plane (L) and configured in such a manner that at least one tool (T) of the machine projects at least partly beyond the plane (L) by a portion (D), the body (10) being provided with elements adapted to vary the position of the plane (L) with respect to the tool (T).
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: May 22, 2018
    Assignee: KUNZLE & TASIN S.R.L.
    Inventor: Pasquale Mollone
  • Patent number: 9931011
    Abstract: A cleaning robot includes a main body; a plurality of pad assemblies mounted on the bottom of the main body for doing cleaning; a drive assembly for applying drive power for each of the plurality of pad assemblies; and a detection unit for detecting an obstacle. The drive assembly adjusts slopes of the plurality of pad assemblies individually based on the height of the obstacle.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: April 3, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In Joo Kim, Jeong Ki Yoo, Dong Hyun Lee, Dong Hun Lee, Jin Sung Kim
  • Patent number: 9931012
    Abstract: A vacuum cleaner includes: a body case having an outer circumferential surface formed along either a circular arc or a polygon; a drive wheel allowing travel of the body case on a cleaning target surface; a side brush provided to the body case to be movable in a certain direction. The side brush: projects from the outer circumferential surface of the body case by an amount that changes in response to movement; includes a brush body movable to retreat toward the outer circumferential surface of the body case in response to external force acting in a direction crossing the certain direction; and includes a cleaning unit rotatably provided to the brush body. The cleaning unit rotates to clean the cleaning target surface. The side brush projecting from an outer circumferential surface of a body case can retreat readily and reliably when the side brush contacts an obstacle.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: April 3, 2018
    Assignee: TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATION
    Inventors: Hiromitsu Ichikawa, Masatoshi Tanaka, Atsushi Morishita, Yukio Machida, Hiromitsu Murata
  • Patent number: 9862067
    Abstract: A grinding or polishing machine (10) may include a working assembly (20) and a foldable cart (30). The working assembly (20) may include a grinding head (26) rotatable to engage a surface for grinding or polishing. The foldable cart (30) may be releasably coupled to the working assembly (20). The foldable cart (30) may include a mobility assembly (100) including at least one wheel (102) and a frame (104), and a handle assembly (110) operably coupled to the frame (104). The handle assembly (110) may include a first frame portion (112) and a second frame portion (114). The first frame portion (112) and the second frame portion (114) may be operably coupled to each other via a folding joint (120).
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: January 9, 2018
    Assignee: HUSQVARNA AB
    Inventors: Olof Winterfjord, Robert Gustafsson
  • Patent number: 9839992
    Abstract: The present invention discloses a deburring brush, comprising a pressing plate, jacking posts, copper sleeves, gaskets, guide posts, springs and bristle units. When the bristle units need replacement, it only needs to place the deburring brush on the ground and then press down edges of the front side of a top plate, so that all the bristle units will fall off against the suction force of strong magnets under the action of each jacking post. According to the present invention, it avoids being time consuming and labor intensive due to removing the bristle units one by one by using a screw driver or other similar devices while replacing the bristle units, and at the same time the replacing speed of bristles is greatly increased.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: December 12, 2017
    Assignee: KSM CASTINGS QINHUANGDAO Co., LTD.
    Inventors: Bowen Xue, Jiandong Guo, Yongning Wang, Zhihua Zhu, Changhai Li
  • Patent number: 9826870
    Abstract: A robotic vacuum cleaner for autonomously cleaning surfaces. The robotic vacuum cleaner comprises an appliance housing and a side arm. The side arm is movably mounted on the appliance housing. A brush element is disposed on the side arm. The side arm projects, in a first position, in front of the appliance housing in part and, in a second position, is received by the appliance housing. The side arm comprising a first arm element having a first end and a second end. The first arm element is movably mounted in the appliance housing at the first end. The side arm comprises a second arm element having a first end and a second end. The second arm element is movably mounted in the appliance housing at the first end and is movably connected to the second end of the first arm element at the second end.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: November 28, 2017
    Assignee: MIELE & CIE. KG
    Inventors: Volker Gerth, Klemens Andrup, Seyfettin Kara, Markus Thamm, Martin Behrenswerth, David Buhl, Felix Ruetten, Martin Roth, Markus Penner, Carina Uphoff
  • Patent number: 9770801
    Abstract: A grinding/milling machine for levelling of horizontal surfaces, having a mobile drive unit, including a vertically pivotable boom suspended from the mobile unit, a rigid girder pivotally fastened at the end of the boom and two motorized machining and/or milling machines, each being arranged at a respective opposite end of the rigid girder.
    Type: Grant
    Filed: April 27, 2015
    Date of Patent: September 26, 2017
    Inventor: Per-Erik Lilienberg
  • Patent number: 9744637
    Abstract: A floor processing system for a skid steer loader includes a shroud having an attachment device configured to removably engage with the skid steer loader; a central motor secured to the shroud and rotatably attached to an arm; a first rotary assembly secured to the arm; and a second rotary assembly secured to the arm. The first rotary assembly includes a first disc rotatably attached to a first motor via a first shaft; and a plurality of first cutters extending from the first disc. The second rotary assembly secured to the arm includes a second disc rotatably attached to a second motor via a second shaft; and a plurality of second cutters extending from the second disc.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: August 29, 2017
    Inventor: Charles Lawhon
  • Patent number: 9699960
    Abstract: A system for mounting a mulching insert to a lawn mower includes a cutting deck configured to receive the mulching insert and a spindle extending from the cutting deck. The spindle is configured to support a cutting blade for rotation relative to the cutting deck. The system also includes a spindle housing mounted to the cutting deck and surrounding the spindle. The system further includes a mounting member coupled to the spindle housing. The mounting member is configured to support the mulching insert within the cutting deck.
    Type: Grant
    Filed: August 14, 2013
    Date of Patent: July 11, 2017
    Assignee: Ariens Company
    Inventor: Fredric D. Schreiner
  • Patent number: 9649003
    Abstract: A random orbit scrubber comprises a main body having a front end and a rear end, a squeegee assembly coupled to the rear end of the main body, and a cleaning head assembly coupled to the front end of the main body. The cleaning head assembly can include a cleaning element structured for contact with a floor surface. The cleaning head assembly can further include a motor that is operable to impart rotational and orbital movement on the cleaning element.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: May 16, 2017
    Assignee: Nilfisk, Inc.
    Inventors: William Randall Stuchlik, Donald Joseph Legatt
  • Patent number: 9623534
    Abstract: An apparatus for mounting one or two handheld type orbital thereto is described to permit a user to sand a floor surface from a standing position while moving the mounted sander(s) to and fro by way of a broom handle extending from the apparatus. Typically, the apparatus includes one fixed mount and one moveable mount. Each mount is configured to facilitate attachment to an orbital sander. The moveable mount can be placed and secured in one of two positions: A first position that centers a single sander in line with the handle and a second position wherein the fixed mount is located to one side of the handle and the moveable mount is secured essentially an equal distance on the other side of the handle.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: April 18, 2017
    Inventor: Kenneth Johnson
  • Patent number: 9615712
    Abstract: A pad particularly adapted for surface cleaning. The pad includes an absorbent core having the ability to absorb and retain liquid material, and a liner layer in contact with and covering at least one side of the absorbent core. The liner layer has the ability to retain and wick liquid material through the liner layer. Cleaning apparatus containing such pads and methods of using such pads are also described.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: April 11, 2017
    Assignee: iRobot Corporation
    Inventors: Michael Dooley, Nikolai Romanov, Marcus Williams, Joseph M. Johnson
  • Patent number: 9538893
    Abstract: A liquid extraction cleaning device comprises a vacuum pump, a liquid pump, a cleaning solution tank, a recovery tank, first and second spray nozzles, a spray selection switch, a vacuum inlet port, an agitator assembly, and a handle. The spray selection switch controls whether liquid is expelled from the second spray nozzle when liquid is expelled from the first spray nozzle. The agitator assembly comprises first and second agitators. The first agitator is configured to rotate. The second agitator is configured to reciprocate. The handle is pivotally connected to the rest of the liquid extraction cleaning device and is lockable in several pivotal orientations. The handle can also be pivoted forward from a rearwardly extending direction to an extent that it extends forward horizontally.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: January 10, 2017
    Assignee: Rug Doctor, LLC
    Inventors: Timothy Wall, Ann Marie Morrow, Walter Haug, Phuong Le, Charles Michael Ostendorf, Schubert Pereira, Ernest Matthew Chavana, Jr., Vincent Lau, Jason Edward Hill, Jason Tilk, Evan Spirk, Lindsey Tufts, Craig Saunders, Paul Stephens
  • Patent number: 9504367
    Abstract: A cleaning robot including a main body, a pad mounted below the main body to implement cleaning, and a drive assembly to apply drive power to the pad. The drive assembly moves the main body to a target position by adjusting the drive power. The cleaning robot may move at a high speed owing to omni-directional movement thereof without rotation of the main body. Further, the cleaning robot may imitate a human wiping pattern, thus achieving enhanced cleaning efficiency. Furthermore, various cleaning patterns including a straight pattern and a curvilinear pattern may be applied to the cleaning robot.
    Type: Grant
    Filed: November 3, 2014
    Date of Patent: November 29, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In Joo Kim, Jeong Ki Yoo, Dong Hyun Lee, Dong Hun Lee, Jin Sung Kim
  • Patent number: 9474426
    Abstract: To provide a cleaning device coupling instrument that can easily attach or detach a main body to or from a cleaning part in a cleaning device, and the cleaning device including the cleaning device coupling instrument. A cleaning device coupling instrument 1 which can couple a main body in a cleaning device to a cleaning part to be fixed to the main body has: a first coupling member 10 including a bulging part 100 having a slant part the side peripheral part of which is tapered toward a tip thereof; and a second coupling member 20 including a fitted part 200 in which the bulging part 100 can be loosely fitted.
    Type: Grant
    Filed: May 14, 2013
    Date of Patent: October 25, 2016
    Assignees: AKUSESU CORPORATION, TSUBAKIMOTO KOGYO CO. LTD.
    Inventor: Katsuzo Kamada
  • Patent number: 9475175
    Abstract: A skate blade sharpening system includes a blade retention mechanism that holds a skate blade to be sharpened, and a rotating shaft configured to have a grinding wheel mounted on it, where the grinding wheel contacts the skate blade during sharpening. An arbor on the rotating shaft is of a heat-conducting material and has a heat-conducting mating with the grinding wheel when the grinding wheel is mounted on the rotating shaft. The arbor includes a set of vanes contributing to fan-like air flow about the arbor and grinding wheel for convective heat dissipation during the sharpening operation.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: October 25, 2016
    Assignee: VELASA SPORTS, INC.
    Inventors: Russell K. Layton, Jr., Daniel A. Beaudet, Ivan D. Goryachev
  • Patent number: 9420931
    Abstract: A machine for treating a surface lying in an XY-plane comprising a body, a body plate attached to the body, a drive assembly attached to the body and a cleaning plate assembly. The drive assembly includes a motor having a motor drive shaft and a transmission having offset drivers driven by the motor drive shaft. The cleaning plate assembly has an eccentric drive member engaging the offset drivers to drive the cleaning plate assembly in an oscillating pattern parallel to the XY-plane and relative to the body plate.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: August 23, 2016
    Inventor: Yale Smith
  • Patent number: 9375124
    Abstract: A scrub deck assembly (59) comprises a scrub deck frame (76) and a pivot arm (70) having a first end (72) and a second end (74). The pivot arm is rotatably coupled to the scrub deck frame at the first end, and a scrub brush (56A) is operably coupled to the pivot arm at the second end. The scrub deck assembly further comprises a retraction mechanism (80) configured to allow movement of the pivot arm, relative to the scrub deck frame, about the first end. A release mechanism (92) is operably coupled to the retraction mechanism, and is configured to disengage the operation of the retraction mechanism.
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: June 28, 2016
    Assignee: Nilfisk, Inc.
    Inventors: Aaron T. Hall, Kale R. Johnson
  • Patent number: 9333615
    Abstract: An apparatus for mounting one or two handheld type orbital thereto is described to permit a user to sand a floor surface from a standing position while moving the mounted sander(s) to and fro by way of a broom handle extending from the apparatus. Typically, the apparatus includes one fixed mount and one moveable mount. Each mount is configured to facilitate attachment to an orbital sander. The moveable mount can be placed and secured in one of two positions: A first position that centers a single sander in line with the handle and a second position wherein the fixed mount is located to one side of the handle and the moveable mount is secured essentially an equal distance on the other side of the handle.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: May 10, 2016
    Inventor: Kenneth Johnson
  • Patent number: 9265397
    Abstract: An apparatus is provided for the attachment of brushes to the drive system of rotary floor scrubbing machines. In one embodiment, the apparatus provides for a scrubbing plate assembly suitable for attachment to the drive system of a rotary floor scrubbing machine. The scrubbing plate assembly has a scrubbing plate and an adapter plate. When the adapter plate is aligned and in contact with a scrubbing plate, the adapter plate locks to the scrubbing plate by axial movement of said adapter plate relative to said scrubbing plate.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: February 23, 2016
    Assignee: Carlisle Food Service Products, Inc.
    Inventor: Timothy J. Larson