Patents by Inventor Norikazu Higashitani

Norikazu Higashitani has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Door pull and sash window having the door pull
    Patent number: 7543409
    Abstract: A door pull (10) has a fixing portion (11) fixed on a door stopper stile (8A) of a door, an operating portion (12) fixed slidably in the opening direction of the door and adapted to slide relative to the fixing portion (11) in the opening direction of the door, and a turning portion (13) supported by the fixing portion (11). A first end of the turning portion (13) is linked turnably with the operating portion (12),and turning in conjunction with sliding of the operating portion (12). A second end of the turning portion (13) projects towards a jamb. When the operating portion (12) slides, an abutment (132) at the second end of the turning portion (13) abuts against the jamb and biases the door in the direction away from the jamb, and the opening operation of the door is assisted.
    Type: Grant
    Filed: September 20, 2004
    Date of Patent: June 9, 2009
    Assignee: YKK AP Inc.
    Inventors: Norikazu Higashitani, Yoshinori Ishikuro, Yasushi Yamamoto, Hiroaki Kubo, Shuhei Ohno
  • Door pull having an opening assistance mechanism and sash window
    Publication number: 20050062292
    Abstract: A door pull (10) including a fixing portion (11) fixed on the door stopper stile (8A) of a shoji, an operating portion (12) fixed slidably in the opening direction of the shoji relative to this fixing portion (11), and a turning portion (13) supported by the fixing portion (11), a first of which is linked turnably with the operating portion (12), turning in conjunction with a slide of the operating portion (12), and a second end projects towards the jamb. According to this door pull (10), by sliding the operating portion (12), an abutment (132) representing the second end of the turning portion (13) abuts against the jamb and biases the shoji in the direction away from the jamb, and the opening operation of the shoji is assisted. Therefore, the door pull (10) having an opening assistance mechanism is constituted by a simple structure of having only the fixing portion (11), the operating portion (12) and the turning portion (13) and the number of component parts can be reduced thereby.
    Type: Application
    Filed: September 20, 2004
    Publication date: March 24, 2005
    Inventors: Norikazu Higashitani, Yoshinori Ishikuro, Yasushi Yamamoto, Hiroaki Kubo, Shuhei Ohno