Patents Assigned to Royal Metal Industrial Co., Ltd.
  • Patent number: 11737542
    Abstract: Proposed is a nail clipper configured to cut fingernails or toenails using the engagement of upper and lower blades. In a section opposite to the cutting blades, a portion of an upper elastic plate is stacked on a portion of a lower plate. In a position forward of the section, a concave portion is provided in a bottom surface of the upper elastic plate. When the cutting blade of the upper elastic plate and the cutting blade of the lower plate are brought into engagement with each other, the blade of the upper elastic plate is located inside of the blade of the lower plate. A stepped portion is provided in an inner portion of an inclined portion of the front end of each of the upper elastic plate and the lower plate. The cutting blades have a minute distance therebetween. The cutting performance and durability of the nail clipper are improved.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: August 29, 2023
    Assignee: ROYAL METAL INDUSTRIAL CO., LTD
    Inventor: Gab-Soo Kim
  • Patent number: 11420348
    Abstract: A rotatable body hair clipper is disclosed including a handle, a first cutting portion, a second cutting portion comprising a holding portion comprising a first tapered surface and a second tapered surface. The handle includes a handle main-body and a protrusion combination portion comprising a fastening portion comprising a first inclination surface and a second inclination surface. The protrusion combination portion comprises at least one slit such that when the second cutting portion is separated from the protrusion combination portion, the first tapered surface is brought into close contact with the second inclination surface and a part of the protrusion combination portion is elastically transformed inward in the radial direction when the second cutting portion is combined with the protrusion combination portion. The second tapered surface is brought into close contact with the first inclination surface and the part thereof returns to an original position thereof.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: August 23, 2022
    Assignee: ROYAL METAL INDUSTRIAL CO., LTD
    Inventor: Gab-Soo Kim
  • Patent number: 11247352
    Abstract: A nose hair clipper including a stationary external cylindrical body, having an external cutting portion with a plurality of first cutting edges, a plurality of first slits, and a plurality of rounded portions; a rotatable internal cylindrical body, having an internal cutting portion with a plurality of second cutting edges and a plurality of second slits, a convex portion, and a circumferential concave groove, the rotatable internal cylindrical body being inserted into the stationary external cylindrical body, and the plurality of rounded portions of the external cutting portion extending upward to be higher than an upper end of the internal cutting portion by a to predetermined gap; a bolt, screwed into the circumferential concave groove; a handling body, combined with a lower end of the rotatable internal cylindrical body; and an auxiliary cap with a brush and a driver, connected to a lower end of the handling body.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: February 15, 2022
    Assignee: ROYAL METAL INDUSTRIAL CO., LTD
    Inventor: Gab-Soo Kim
  • Publication number: 20100071213
    Abstract: A nail clipper includes upper and lower elastic plates which have respective cutting edges formed on respective front ends thereof and are connected with each other at rear ends thereof, a support shaft which passes through front end portions of the upper and lower elastic plates, and a pressing plate which is coupled to the support shaft at a front end thereof. One or more of the upper, lower and pressing plates are formed to have arc-shaped widthwise cross-sections.
    Type: Application
    Filed: September 24, 2008
    Publication date: March 25, 2010
    Applicant: ROYAL METAL INDUSTRIAL CO., LTD.
    Inventor: Kap-Soo Kim
  • Patent number: D676609
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: February 19, 2013
    Assignee: Royal Metal Industrial Co., Ltd.
    Inventor: Gab Soo Kim
  • Patent number: D676610
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: February 19, 2013
    Assignee: Royal Metal Industrial Co., Ltd.
    Inventor: Gab Soo Kim
  • Patent number: D726374
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: April 7, 2015
    Assignee: Royal Metal Industrial Co., Ltd.
    Inventor: Gab-Soo Kim
  • Patent number: D846804
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: April 23, 2019
    Assignee: ROYAL METAL INDUSTRIAL CO., LTD.
    Inventor: Kap Soo Kim
  • Patent number: D848074
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: May 7, 2019
    Assignee: ROYAL METAL INDUSTRIAL CO., LTD.
    Inventor: Kap Soo Kim
  • Patent number: D922683
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: June 15, 2021
    Assignee: Royal Metal Industrial Co., LTD.
    Inventor: Suk June Jeong
  • Patent number: D979845
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: February 28, 2023
    Assignee: ROYAL METAL INDUSTRIAL CO., LTD
    Inventor: Gab-Soo Kim
  • Patent number: D981048
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: March 14, 2023
    Assignee: ROYAL METAL INDUSTRIAL CO., LTD
    Inventor: Gab-Soo Kim
  • Patent number: D996717
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: August 22, 2023
    Assignee: ROYAL METAL INDUSTRIAL CO., LTD
    Inventor: Gab-Soo Kim
  • Patent number: D996718
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: August 22, 2023
    Assignee: ROYAL METAL INDUSTRIAL CO., LTD
    Inventor: Gab-Soo Kim
  • Patent number: D997453
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: August 29, 2023
    Assignee: ROYAL METAL INDUSTRIAL CO., LTD
    Inventor: Gab Soo Kim
  • Patent number: D994982
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: August 8, 2023
    Assignee: ROYAL METAL INDUSTRIAL CO., LTD
    Inventor: Gab Soo Kim