Patents Assigned to Husqvarna Construction Products North America Inc.
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Patent number: 10414012Abstract: A workpiece abrading pad apparatus is provided. In one aspect, a grinding pad apparatus employs a flexible pad, a flexible metallic reinforcement layer or ring, and multiple floor-grinding disks. In another aspect, a metallic reinforcement ring includes a central hole through which a fiber or foam pad is accessible. Another aspect employs a spring steel reinforcement ring to which multiple diamond-based abrasive disks or dots are attached. In yet another aspect, at least one floor-contacting disk attached to a reinforcement ring includes sintered powdered metal with diamond particles mixed therein. A further aspect employs abrasive, floor-contacting disks or dots including posts extending from backsides thereof for attachment to a reinforcing ring or layer.Type: GrantFiled: January 13, 2017Date of Patent: September 17, 2019Assignee: Husqvarna Construction Products North America, Inc.Inventor: Tchavdar V. Tchakarov
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Publication number: 20190174988Abstract: A floor polishing or grinding pad assembly is provided. In one aspect, a polishing or grinding pad assembly employs a fibrous pad, a reinforcement layer or ring, and multiple floor-contacting disks. In another aspect, the reinforcement layer includes a central hole through which the fibrous pad is accessible and the fibrous pad at the hole has a linear dimension greater than a linear dimension of one side of the adjacent reinforcement layer. In yet another aspect, at least one of the floor-contacting disks has an angle offset from that of a base surface of the disk, the fibrous pad and/or the reinforcement layer. A further aspect employs a smaller set of disks alternating between and/or offset from a larger set of the disks. In another aspect, the reinforcement layer includes a wavy or undulating internal edge shape.Type: ApplicationFiled: February 13, 2019Publication date: June 13, 2019Applicant: Husqvarna Construction Products North America, Inc.Inventor: Tchavdar V. Tchakarov
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Patent number: 10246885Abstract: A grouting pan assembly includes a reinforcement ring. In another aspect, a grouting pan includes a substantially planar bottom surface and a curved sidewall surrounding the bottom surface. In a further embodiment, a grouting pan assembly includes a grouting pan having a post or mechanical fastener extending from a backside thereof for attachment to a reinforcing ring or layer.Type: GrantFiled: August 30, 2017Date of Patent: April 2, 2019Assignee: Husqvarna Construction Products North America, Inc.Inventor: Tchavdar V. Tchakarov
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Patent number: 10244914Abstract: A floor polishing or grinding pad assembly is provided. In one aspect, a polishing or grinding pad assembly employs a fibrous pad, a reinforcement layer or ring, and multiple floor-contacting disks. In another aspect, the reinforcement layer includes a central hole through which the fibrous pad is accessible and the fibrous pad at the hole has a linear dimension (x) greater than a linear dimension (y) of one side of the adjacent reinforcement layer. In yet another aspect, at least one of the floor-contacting disks has an angle (?) offset from that of a base surface of the disk, the fibrous pad and/or the reinforcement layer. A further aspect employs a smaller set of disks alternating between and/or offset from a larger set of the disks. In another aspect, the reinforcement layer includes a wavy or undulating internal edge shape.Type: GrantFiled: March 21, 2018Date of Patent: April 2, 2019Assignee: Husqvarna Construction Products North America, Inc.Inventor: Tchavdar V. Tchakarov
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Patent number: 8056549Abstract: The present disclosure presents a substantially cylindrically-shaped pavement texturing head. The pavement texturing head can include a plurality of substantially round, disc-shaped grinding members adjacently arranged and substantially aligned, one with the others, along a common rotational center axis. Additionally, the grinding members establish a circumferential grinding zone around the pavement texturing head. Furthermore, the grinding zone includes a plurality of grinding segments collectively forming an exterior surface around the substantially cylindrically-shaped pavement texturing head and having an exposed peripheral profile taken parallel to the common rotational center axis comprising undulating ridges and troughs.Type: GrantFiled: March 4, 2011Date of Patent: November 15, 2011Assignee: Husqvarna Construction Products North America Inc.Inventor: Jonathan T. Fleetwood
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Patent number: D617355Type: GrantFiled: March 2, 2010Date of Patent: June 8, 2010Assignee: Husqvarna Construction Products North America Inc.Inventor: Anthony Baratta
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Patent number: D621857Type: GrantFiled: March 2, 2010Date of Patent: August 17, 2010Assignee: Husqvarna Construction Products North America Inc.Inventor: Anthony Baratta
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Patent number: D629026Type: GrantFiled: May 10, 2010Date of Patent: December 14, 2010Assignee: Husqvarna Construction Products North America Inc.Inventor: Anthony Baratta
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Patent number: D631070Type: GrantFiled: May 10, 2010Date of Patent: January 18, 2011Assignee: Husqvarna Construction Products North America Inc.Inventor: Anthony Baratta
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Patent number: D837015Type: GrantFiled: August 3, 2017Date of Patent: January 1, 2019Assignee: Husqvarna Construction Products North America, Inc.Inventors: Tchavdar V. Tchakarov, Eric Gallup
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Patent number: D854902Type: GrantFiled: September 23, 2016Date of Patent: July 30, 2019Assignee: Husqvarna Construction Products North America, Inc.Inventor: Tchavdar V. Tchakarov