Patents by Inventor Tatsushi Ogawa

Tatsushi Ogawa 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).

  • Patent number: 6644531
    Abstract: A nailing machine includes a nose member disposed in the leading end portion of a main body of the nailing machine for driving the leading nail of stick-shaped connected nails supplied thereto, and a magazine mounted in an opening formed in the side surface of the nose member for sequentially supplying the connected nails to the nose member. When the magazine is fit to the nose member, an elastic member is pressed in into a clearance provided between the nose member and the magazine.
    Type: Grant
    Filed: July 25, 2001
    Date of Patent: November 11, 2003
    Assignee: Max Co., Ltd.
    Inventors: Hiroki Yamamoto, Tatsushi Ogawa
  • Publication number: 20020014511
    Abstract: A nailing machine includes a nose member disposed in the leading end portion of a main body of the nailing machine for driving the leading nail of stick-shaped connected nails supplied thereto, and a magazine mounted in an opening formed in the side surface of the nose member for sequentially supplying the connected nails to the nose member. When the magazine is fit to the nose member, an elastic member is pressed in into a clearance provided between the nose member and the magazine.
    Type: Application
    Filed: July 25, 2001
    Publication date: February 7, 2002
    Applicant: MAX CO., LTD.
    Inventors: Hiroki Yamamoto, Tatsushi Ogawa
  • Patent number: 5878936
    Abstract: An exhaust mechanism of a pneumatic nailing in which a striking cylinder is accommodated in a body and a striking piston in the striking cylinder is driven to drive a nail when compressed air is supplied to and exhausted from an upper portion of the striking cylinder, comprises: an inner cap arranged in the upper portion of the striking cylinder; a cylinder cap covering the inner cap; an exhaust chamber formed along inside the body between the inner cap and the cylinder cap; and a throttle hole formed in a lower portion of the exhaust chamber, wherein the exhaust air exhausted from the upper portion of the striking cylinder is discharged from the throttle hole via the exhaust chamber.
    Type: Grant
    Filed: June 7, 1996
    Date of Patent: March 9, 1999
    Assignee: Max Co., Ltd.
    Inventors: Michiaki Adachi, Nobuo Kishi, Yasunori Aihara, Tatsushi Ogawa, Makoto Kosuge, Motomitsu Hagiwara, Mitsugu Takezaki, Yasuhiro Naito
  • Patent number: 5738266
    Abstract: The disclosure presents a guide mechanism for a nailing machine in which series-connected nails are fed from a magazine to a nose portion and the foremost nail of the series-connected nails is driven from a nail ejecting outlet of the nose portion by a driver.
    Type: Grant
    Filed: April 26, 1996
    Date of Patent: April 14, 1998
    Assignee: Max Co., Ltd.
    Inventor: Tatsushi Ogawa
  • Patent number: 5522531
    Abstract: In a safety device for a nailing machine which has a compressed air introducing opening for introducing a compressed air therefrom and an air chamber for storing compressed air introduced from the compressed air introducing opening, the safety device comprises a compressed are passage, a relief valve and a spring. The compressed air passage is provided close to an inner side of the introducing opening, and communicates with the air chamber. The relief valve serves to release the compressed air within the air chamber outside, and has a valve housing, an air leak hole and a valve stem. One end of said valve housing is open onto the air chamber, the other end of the valve housing is open onto the introducing opening, a middle portion of the valve housing communicates with the air leak hole which communicates with the outside. The valve stem is slidably accommodated in the valve housing, one end of the valve stem faces the air chamber and the other end thereof faces the introducing opening.
    Type: Grant
    Filed: September 6, 1994
    Date of Patent: June 4, 1996
    Assignee: Max Co., Ltd.
    Inventor: Tatsushi Ogawa
  • Patent number: D505608
    Type: Grant
    Filed: March 4, 2004
    Date of Patent: May 31, 2005
    Assignee: Max Co., Ltd.
    Inventors: Masakazu Arai, Tatsushi Ogawa