The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 17, 2019

Filed:

Jan. 13, 2017
Applicant:

Husgvarna Construction Products North America, Inc., Charlotte, NC (US);

Inventor:

Tchavdar V. Tchakarov, Monroe, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 41/047 (2006.01); B24B 7/18 (2006.01); B24B 7/22 (2006.01); B24D 7/06 (2006.01); B24D 7/08 (2006.01); B24D 13/14 (2006.01);
U.S. Cl.
CPC ...
B24B 7/186 (2013.01); B24B 7/18 (2013.01); B24B 7/22 (2013.01); B24B 41/047 (2013.01); B24D 7/06 (2013.01); B24D 7/08 (2013.01); B24D 13/14 (2013.01);
Abstract

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.


Find Patent Forward Citations

Loading…