Patents by Inventor Eijirou SHIMOYAMA

Eijirou SHIMOYAMA 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: 10068729
    Abstract: A switch device includes an operation unit, a switch unit detachably attached to the operation unit, and an engagement portion provided at the operation unit. The switch unit includes an opening-closing contact mechanism opened in association with an operation of the operation unit, and a drive portion driving the opening-closing contact mechanism to an open condition at a standby position and to a closed condition at a usage position. When the operation unit is attached to the switch unit, the engagement portion engages the drive portion to drive the drive portion from the standby position to the usage position. When the operation unit is inserted to the switch unit, the operation unit and the switch unit are engaged at the usage position.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: September 4, 2018
    Assignees: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD., CHICHIBU FUJI CO., LTD.
    Inventors: Eijirou Shimoyama, Yoshihiro Takano, Noriyoshi Machida
  • Publication number: 20170213672
    Abstract: A switch device includes an operation unit, a switch unit detachably attached to the operation unit, and an engagement portion provided at the operation unit. The switch unit includes an opening-closing contact mechanism opened in association with an operation of the operation unit, and a drive portion driving the opening-closing contact mechanism to an open condition at a standby position and to a closed condition at a usage position. When the operation unit is attached to the switch unit, the engagement portion engages the drive portion to drive the drive portion from the standby position to the usage position. When the operation unit is inserted to the switch unit, the operation unit and the switch unit are engaged at the usage position.
    Type: Application
    Filed: April 6, 2017
    Publication date: July 27, 2017
    Inventors: Eijirou SHIMOYAMA, Yoshihiro TAKANO, Noriyoshi MACHIDA
  • Patent number: 9653235
    Abstract: A switch device includes an operation unit having a pushbutton for performing a pushing operation; a switch unit separably joined to the operation unit, the switch unit including an opening-closing contact mechanism opened or closed in conjunction with the pushing operation of the pushbutton of the operation unit, and a rotary drive plate rotating between a standby position and a usage position; and an engagement portion engaging the operation unit to the rotary drive plate to rotary-drive the rotary drive plate from the standby position to the usage position when the operation unit is attached to the switch unit. The operation unit is detached from or attached to the switch unit to set the opening-closing contact mechanism in respectively predetermined opening-closing states.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: May 16, 2017
    Assignees: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD., CHICHIBU FUJI CO., LTD.
    Inventors: Eijirou Shimoyama, Yoshihiro Takano, Noriyoshi Machida
  • Publication number: 20150340178
    Abstract: A switch device includes an operation unit having a pushbutton for performing a pushing operation; a switch unit separably joined to the operation unit, the switch unit including an opening-closing contact mechanism opened or closed in conjunction with the pushing operation of the pushbutton of the operation unit, and a rotary drive plate rotating between a standby position and a usage position; and an engagement portion engaging the operation unit to the rotary drive plate to rotary-drive the rotary drive plate from the standby position to the usage position when the operation unit is attached to the switch unit. The operation unit is detached from or attached to the switch unit to set the opening-closing contact mechanism in respectively predetermined opening-closing states.
    Type: Application
    Filed: July 31, 2015
    Publication date: November 26, 2015
    Inventors: Eijirou SHIMOYAMA, Yoshihiro TAKANO, Noriyoshi MACHIDA