Patents by Inventor Akira Kamichika

Akira Kamichika 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).

  • Sealing device with sound insulating seal
    Patent number: 7677577
    Abstract: To improve performance without increasing size, a sealing device comprises a seal body (6) sealing a clearance (5) between the periphery of the shaft hole (3) of a housing (2) and a shaft (4) inserted into the shaft hole (3) and the sound insulating seal (7) insulating sound transmitted through the clearance (5), the seal body (6) comprises a bellows part (10) between a mounting part (8) fitted to the housing (2) and a seal lip part (9) contacting with the shaft (4), the sound insulating seal (7) comprises a sound insulating member (20) disposed at the inner peripheral side of the mounting part (8), and the sound insulating member (20) is held to the seal body (6) in the state of contacting with the mounting part (8) at its outer peripheral part (20a) and with the seal lip part (9) at its inner peripheral part (20b).
    Type: Grant
    Filed: October 27, 2005
    Date of Patent: March 16, 2010
    Assignee: NOK Corporation
    Inventors: Go Kanzaki, Akira Kamichika, Fuminori Kataoka, Tokuhiro Murakami
  • Sealing Device With Sound Insulating Seal
    Publication number: 20080203673
    Abstract: To improve performance without increasing size, a sealing device comprises a seal body (6) sealing a clearance (5) between the periphery of the shaft hole (3) of a housing (2) and a shaft (4) inserted into the shaft hole (3) and the sound insulating seal (7) insulating sound transmitted through the clearance (5), the seal body (6) comprises a bellows part (10) between a mounting part (8) fitted to the housing (2) and a seal lip part (9) contacting with the shaft (4), the sound insulating seal (7) comprises a sound insulating member (20) disposed at the inner peripheral side of the mounting part (8), and the sound insulating member (20) is held to the seal body (6) in the state of contacting with the mounting part (8) at its outer peripheral part (20a) and with the seal lip part (9) at its inner peripheral part (20b).
    Type: Application
    Filed: October 27, 2005
    Publication date: August 28, 2008
    Applicant: NOK Corporation
    Inventors: Go Kanzaki, Akira Kamichika, Fuminori Kataoka, Tokuhiro Murakami