Patents by Inventor Shuichiro Araki

Shuichiro Araki 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).

  • Transfer unit, transfer apparatus, and holding unit
    Patent number: 10694647
    Abstract: A transfer unit includes a holding unit, and a driving unit configured to vertically move the holding unit. The holding unit includes a holding portion configured to hold a work, a movable portion configured to support the holding portion, a support portion configured to support the movable portion such that the movable portion is vertically displaceable, and a biasing portion configured to bias the movable portion downward with respect to the support portion. The support portion has a guide surface which guides displacement of the movable portion, and the movable portion has an abutting surface which abuts against the guide surface. Each of the guide surface and the abutting surface is a surface which tapers off upward or downward.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: June 23, 2020
    Assignee: HIRATA CORPORATION
    Inventors: Shinji Yokoyama, Keisuke Teramoto, Shuichiro Araki
  • TRANSFER UNIT, TRANSFER APPARATUS, AND HOLDING UNIT
    Publication number: 20180092263
    Abstract: A transfer unit includes a holding unit, and a driving unit configured to vertically move the holding unit. The holding unit includes a holding portion configured to hold a work, a movable portion configured to support the holding portion, a support portion configured to support the movable portion such that the movable portion is vertically displaceable, and a biasing portion configured to bias the movable portion downward with respect to the support portion. The support portion has a guide surface which guides displacement of the movable portion, and the movable portion has an abutting surface which abuts against the guide surface. Each of the guide surface and the abutting surface is a surface which tapers off upward or downward.
    Type: Application
    Filed: September 27, 2017
    Publication date: March 29, 2018
    Applicant: HIRATA CORPORATION
    Inventors: Shinji YOKOYAMA, Keisuke TERAMOTO, Shuichiro ARAKI
  • Slider apparatus
    Patent number: 9464702
    Abstract: A slider apparatus of the invention includes a ball screw, first and second support members which respectively support the two end portions of the ball screw, a slider which includes a driving means for rotating a ball nut threadably engaging with the ball screw while rotatably holding the ball nut, and is disposed to be movable in the axial direction of the ball screw, first and second intermediate support members which are disposed to sandwich the slider, and each of which includes a support hole through which the ball screw passes and is movable in the axial direction of the ball screw, and a connecting member which engages with the first and second intermediate support members, and allows free movement of the first and second intermediate support members within the range of the full length of the connecting member.
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: October 11, 2016
    Assignee: HIRATA CORPORATION
    Inventors: Shinji Yokoyama, Shuichiro Araki