Patents by Inventor Yoshinori Hiromatsu

Yoshinori Hiromatsu 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).

  • Clamp apparatus
    Patent number: 8256755
    Abstract: A clamp apparatus includes a clamp unit capable of retaining a workpiece, a cylinder driven under the supply of a pressure fluid, and a drive force transmission mechanism, which is capable of transmitting a drive force from the cylinder to the clamp unit. The drive force transmission mechanism includes a guide body disposed displaceably inside of a body, two pairs of rollers retained rotatably on both side surfaces of the guide body, and a spindle inserted through a second link groove of the guide body that rotatably supports a clamp arm. The clamp arm is rotatably operated and is capable of clamping the workpiece under a displacement action of the guide body.
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: September 4, 2012
    Assignee: SMC Kabushiki Kaisha
    Inventor: Yoshinori Hiromatsu
  • CLAMP APPARATUS
    Publication number: 20090184451
    Abstract: A clamp apparatus includes a clamp unit capable of retaining a workpiece, a cylinder driven under the supply of a pressure fluid, and a drive force transmission mechanism, which is capable of transmitting a drive force from the cylinder to the clamp unit. The drive force transmission mechanism includes a guide body disposed displaceably inside of a body, two pairs of rollers retained rotatably on both side surfaces of the guide body, and a spindle inserted through a second link groove of the guide body that rotatably supports a clamp arm. The clamp arm is rotatably operated and is capable of clamping the workpiece under a displacement action of the guide body.
    Type: Application
    Filed: December 16, 2008
    Publication date: July 23, 2009
    Applicant: SMC Kabushiki Kaisha
    Inventor: Yoshinori HIROMATSU