Patents Assigned to Clover Mfg. Co., Ltd.
  • Patent number: 11976399
    Abstract: A needle threader includes: a needle holding part for holding a needle having a needle eye; a threading member movable between a retracted position separated from the needle holding part and an advanced position for inserting a thread loop through the needle eye by entering the needle eye; an actuator mechanism including an operation element, to move the threading member to the retracted position in a first state (not operating) and move to the advanced position in a second state (operating); and a thread pressing mechanism for pressing the thread loop inserted through the needle eye by the threading member. The thread pressing mechanism includes a pressure receiving part, a pressing member, and a biasing member. Switching the operation element from the second state to the first state, the pressing member can press the thread loop against the pressure receiving part.
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: May 7, 2024
    Assignee: CLOVER MFG. CO., LTD.
    Inventor: Atsushi Tanaka
  • Patent number: 11297905
    Abstract: A fastening pin includes a needle having a tip and a base end, a holder having a base-end holding part that holds the base end of the needle, and a hook part provided in the holder and configured for the tip of the needle to be hooked thereto. The needle has a non-straight shape bulging in a direction away from the holder and is elastically pivotable around the based end toward the hook part. The hook part is provided with a groove and a protruding guide part. The groove is open toward the holder and configured for the tip of the needle to engage therein. The protruding guide part is arranged on the opposite side of the holder with respect to the groove.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: April 12, 2022
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Yui Teramoto, Chihiro Iwasaki
  • Patent number: 11220767
    Abstract: A connection structure includes a proximal end of a needle body, a metallic connector fixed to the proximal end, and an end of a flexible cable attached to the connector. The connector includes a shaft and a head diametrically greater than the shaft. The proximal end of the needle body has a hole into which the shaft of the connector is fitted. The head of the connector has a cable recess accommodating the end of the cable. The cable recess includes a first recess adjacent to an opening of the cable recess and a second recess adjacent to and diametrically greater than the first recess. The end of the cable includes a first portion accommodated in the first recess and a second portion connected to the first portion and accommodated in the second recess. The second portion is diametrically greater than the first portion.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: January 11, 2022
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Toshiharu Jitsuda, Mayumi Matsumoto, Shinichi Kitao
  • Patent number: 11098425
    Abstract: A sewing machine guiding tool includes a presser foot, a holder and a gauge. The presser foot includes a bottom wall and a rear support. The bottom wall is formed with a needle-passing hole and with a slit extending from the needle-passing hole to the front end of the bottom wall. The rear support is connected to the rear end of the bottom wall. The holder, attached to a presser bar of the sewing machine, holds the presser foot pivotally about a horizontal axis. The gauge, supported by the rear support to be slidable in parallel to the horizontal axis, includes a ruler plate and a guide portion. The ruler plate has a surface marked with a scale. The guide portion extends from the ruler plate. The ruler plate is disposed above the bottom wall with its surface inclined to become higher as proceeding rearward.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: August 24, 2021
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Nancy L. Zieman, Yuji Kawasaki, Chihiro Iwasaki
  • Patent number: 10900155
    Abstract: An instrument for making a ribbon embellishment is provided. The instrument is made up of a ring-shaped plate, and a plurality of extensions each extending from the ring-shaped plate toward the center of the circular plate. The plurality of extensions include a first extension, a second extension and a third extension, and the first extension has a first surface and a second surface opposite to the first surface. In plan view, the second extension faces the first surface of the first extension, and the third extension faces the second surface of the first extension.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: January 26, 2021
    Assignee: CLOVER MFG. CO., LTD.
    Inventor: Kumiko Nitta
  • Patent number: 10729198
    Abstract: A seam ripper includes a metal blade member, a handle and a slider. The blade member is supported by the handle and made of a shaft and a blade part at an end of the shaft. The slider causes the blade member to move between a retracted position and an advanced position. The shaft is housed in the handle at the retracted position. The blade part and at least a portion of the shaft are outside the handle at the advanced position. The blade part includes a cutting blade flanked by a needle portion and a ball-shaped portion. When the blade member is at the retracted position, the entirety of the needle portion is housed in the handle, and a portion of the cutting blade is exposed to the outside of the handle.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: August 4, 2020
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Chihiro Iwasaki, Atsushi Tanaka
  • Patent number: 10378144
    Abstract: A handicraft roller, used for pressing a piece of cloth to put a sharp crease or fold in the fabric, includes an elongated grip with first and second ends spaced from each other in the longitudinal direction of the grip. A rolling member is attached to the first end of the grip so as to be rotatable about a predetermined axis. The rolling member is made up of a constant diameter portion and two decreasing diameter portions flanking the constant diameter portion. The constant diameter portion has an outer diameter that remains constant over a predetermined length of the axis. Each of the decreasing diameter portions has an outer diameter that decreases with increasing distance from the constant diameter portion along the axis.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: August 13, 2019
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Joan Hawley, Yasuhiro Fujiwara, Yui Teramoto
  • Patent number: 10301753
    Abstract: A presser foot for a sewing machine has a bottom wall, first and second side walls, and a guard piece. The bottom wall has front and rear ends. In addition, the bottom wall is provided with a needle-passing hole and a first slit extending from the needle-passing hole to the front end. The first side wall and the second side wall are formed integral with the bottom wall and spaced apart from each other in a width direction of the bottom wall. The guard piece is attached to the first side wall to cover the gap between the first side wall and the second side wall from above. In plan view, the guard piece is spaced from the needle-passing hole and does not overlap with the needle-passing hole. The guard piece and the second side wall are spaced apart from each other by a second slit.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: May 28, 2019
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Chihiro Iwasaki, Yuji Kawasaki
  • Patent number: 10273616
    Abstract: A caddy for sewing items includes a hollow housing, and first/second elongated permanent magnets contained in the housing. The second magnet is arranged in parallel to and spaced from the first magnet. The housing includes first/second attracting surfaces and an elongated groove between the first and second attracting surfaces. The first magnet has an upper surface S-pole corresponding to the first attracting surface, and the second magnet has an upper surface N-pole corresponding to the second attracting surface. The groove extends in parallel to the first/second magnets and has a first longitudinal edge connected to the first attracting surface and a second longitudinal edge connected to the second attracting surface. The first and second longitudinal edges are curved so that their center portion is higher than other portions as viewed in the direction in which the first/second magnets are spaced apart from each other.
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: April 30, 2019
    Assignee: CLOVER MFG. CO., LTD.
    Inventor: Yuji Kawasaki
  • Patent number: 10233575
    Abstract: An assisting tool is provided for making a tufted ornament having a bunch of threads. The assisting tool includes a first frame and a second frame that form a generally rectangular shape when assembled. The first and second frames have first and second thread hanging portions, respectively, that are spaced apart from each other in a first direction. Each thread hanging portion extends in a second direction perpendicular to the first direction. The assisting tool further includes a length adjuster for adjustably varying the length in the first direction from the first thread hanging portion to the second thread hanging portion by allowing the first and second frames to slide toward or away from each other.
    Type: Grant
    Filed: May 16, 2016
    Date of Patent: March 19, 2019
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Kumiko Nitta, Katsuhiko Ozeki
  • Patent number: D845158
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: April 9, 2019
    Assignee: CLOVER MFG. CO., LTD.
    Inventor: Eri Yamauchi
  • Patent number: D845159
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: April 9, 2019
    Assignee: CLOVER MFG. CO., LTD.
    Inventor: Eri Yamauchi
  • Patent number: D848870
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: May 21, 2019
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Kumiko Nitta, Katsuhiko Ozeki
  • Patent number: D877487
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: March 10, 2020
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Chihiro Iwasaki, Atsushi Tanaka
  • Patent number: D878034
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: March 17, 2020
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Nancy L. Zieman, Yuji Kawasaki
  • Patent number: D893325
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: August 18, 2020
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Nancy L. Zieman, Yuji Kawasaki, Chihiro Iwasaki
  • Patent number: D912552
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: March 9, 2021
    Assignee: CLOVER MFG. CO., LTD.
    Inventor: Mayumi Matsumoto
  • Patent number: D971586
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: December 6, 2022
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Toshiharu Jitsuda, Mayumi Matsumoto, Shinichi Kitao
  • Patent number: D1008773
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: December 26, 2023
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Eri Kai, Yui Teramoto
  • Patent number: D1044886
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: October 1, 2024
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Kanako Oe, Yasuko Okazaki