Patents by Inventor Kojiro Iizuka

Kojiro Iizuka 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: 6966624
    Abstract: A liquid ejecting apparatus includes drive device for moving up a cap (9a) of capping device (9) to a nozzle formation face seal position of a record head (12) and moving down the cap to a retreat position vertically downward from the nozzle formation face seal position. The drive device has a rack-pinion mechanism including racks (102a and 103a) disposed on both side parts of a fixed frame and pinions (102b and 103b) fixedly secured to both end parts of a support shaft (9c) for guiding the support shaft in an up and down direction.
    Type: Grant
    Filed: October 21, 2002
    Date of Patent: November 22, 2005
    Assignee: Seiko Epson Corporation
    Inventors: Masaru Takahashi, Kojiro Iizuka, Hitoshi Hayakawa
  • Publication number: 20050030335
    Abstract: A liquid ejecting apparatus includes drive means for moving up a cap (9a) of capping means (9) to a nozzle formation face seal position of a record head (12) and moving down the cap to a retreat position vertically downward from the nozzle formation face seal position. The drive means has a rack-pinion mechanism including racks (102a and 103a) disposed on both side parts of a fixed frame and pinions (102b and 103b) fixedly secured to both end parts of a support shaft (9c) for guiding the support shaft in an up and down direction.
    Type: Application
    Filed: October 21, 2002
    Publication date: February 10, 2005
    Inventors: Masaru Takahashi, Kojiro Iizuka, Hitoshi Hayakawa
  • Patent number: 6595616
    Abstract: There are provided a capping device capable of sealing a recording head mounted on a carriage and of sucking and discharging ink from the recording head, and a wiping member which advances to a moving path of the recording head and wipes waste ink off a nozzle forming surface of the recording head to clean the nozzle forming surface. A first drainage-amount integrating device for integrating and counting an amount corresponding to the waste ink to be wiped off the recording head by the wiping member is provided, and it is possible to prevent the contamination of the interior of the apparatus by excess waste ink.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: July 22, 2003
    Assignee: Seiko Epson Corporation
    Inventors: Masaru Takahashi, Hitoshi Hayakawa, Kojiro Iizuka
  • Patent number: 6578949
    Abstract: A cap member (10) which is brought into contact with a nozzle forming surface of a recording head (15) to seal up the nozzle forming surface, and a wiping member (11) which may be brought into sliding contact with the nozzle forming surface of the recording head (15) are disposed on a cap holder (31). With progress of a cleaning operation in which ink is placed under a negative pressure, and sucked and discharged from the recording head, a cap retaining member (50) is moved upward and placed to a set state, whereby blocking the slanting and downward movement of the cap member (10). Then, the wiping member (11) located on the cap holder (31) slides on the nozzle forming surface to wipe the nozzle forming surface. To a flushing operation, the cap retaining member (50) is moved downward and placed to a reset state. In this state, the wiping member (11) does not slide on the nozzle forming surface.
    Type: Grant
    Filed: September 13, 2001
    Date of Patent: June 17, 2003
    Assignee: Seiko Epson Corporation
    Inventors: Masaru Takahashi, Hitoshi Hayakawa, Kojiro IIzuka, Mitsugu Ota, Takashi Akase, Hideki Okumura
  • Publication number: 20020063748
    Abstract: There are provided a capping means capable of sealing a recording head mounted on a carriage and of sucking and discharging ink from the recording head, and a wiping member which advances to a moving path of the recording head and wipes waste ink off a nozzle forming surface of the recording head to clean the nozzle forming surface. A first drainage-amount integrating means for integrating and counting an amount corresponding to the waste ink to be wiped off the recording head by the wiping member is provided, and it is possible to prevent the contamination of the interior of the apparatus by excess waste ink.
    Type: Application
    Filed: October 31, 2001
    Publication date: May 30, 2002
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Masaru Takahashi, Hitoshi Hayakawa, Kojiro Iizuka
  • Publication number: 20020036671
    Abstract: A cap member (10) which is brought into contact with a nozzle forming surface of a recording head (15) to seal up the nozzle forming surface, and a wiping member (11) which may be brought into sliding contact with the nozzle forming surface of the recording head (15) are disposed on a cap holder (31). With progress of a cleaning operation in which ink is placed under a negative pressure, and sucked and discharged from the recording head, a cap retaining member (50) is moved upward and placed to a set state, whereby blocking the slanting and downward movement of the cap member (10). Then, the wiping member (11) located on the cap holder (31) slides on the nozzle forming surface to wipe the nozzle forming surface. To a flushing operation, the cap retaining member (50) is moved downward and placed to a reset state. In this state, the wiping member (11) does not slide on the nozzle forming surface.
    Type: Application
    Filed: September 13, 2001
    Publication date: March 28, 2002
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Masaru Takahashi, Hitoshi Hayakawa, Kojiro Iizuka, Mitsugu Ota, Takashi Akase, Hideki Okumura