Patents by Inventor Hitoshi Tsugawa

Hitoshi Tsugawa 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: 9027215
    Abstract: A production apparatus for producing a component assembly by sequentially performing predetermined processes in a plurality of processing areas (A1 to A6) arranged in a ring formation and then, by separating a jig. The apparatus includes a rotational table main body (20), a plurality of holding/transfer units (30) rotatable integrally with the rotational table main body and capable of holding an object and transferring the same onto processing tables in the plurality of processing areas, a plurality of loading portions (40) provided on the rotational table main body corresponding to the plurality of holding/transfer units and capable of loading the jig, and a plurality of processing units (60 to 110) provided for performing predetermined processes in the plurality of processing areas.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: May 12, 2015
    Assignee: Hirata Corporation
    Inventors: Hisayuki Sueoka, Susumu Noguchi, Hiroyuki Shiga, Hitoshi Tsugawa
  • Patent number: 8430227
    Abstract: A production device includes a plurality of processing units (41 to 45) arranged so as to consecutively perform a plurality of types of processing with respect to workpieces, a transport unit (30) that successively transports the workpieces toward processing units, a plurality of monitor operation panels (80, 90) capable of monitoring the processing in the plurality of processing units and performing an adjustment operation regarding the processing or performing an operation regarding the overall operation and stop, and a plurality of movable holding mechanisms (60, 70) that movably hold the respective monitor operation panels.
    Type: Grant
    Filed: May 28, 2008
    Date of Patent: April 30, 2013
    Assignee: Hirata Corporation
    Inventors: Hisayuki Sueoka, Hitoshi Tsugawa, Susumu Noguchi
  • Patent number: 8430226
    Abstract: A work transfer apparatus includes a holding unit (100) that rotates together with a rotation table (20) as a transferring mechanism intermittently driven to be fed, a lifting and lowering unit (200) for lowering the holding unit in order to transfer a workpiece held by the holding unit onto a processing table (30) as well as lifting the holding unit in order to transfer the workpiece held on the processing table onto the holding unit, and a fixing unit (300) that fixes the workpiece held on the holding unit and releases the workpiece when transferring the workpiece onto the processing table.
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: April 30, 2013
    Assignee: Hirata Corporation
    Inventors: Naoyuki Tokunaga, Yoshiaki Araki, Hitoshi Tsugawa
  • Patent number: 8292056
    Abstract: This invention provides a roller assembly including a rotary member including a driving shaft portion and a convey roller portion provided with the driving shaft portion, a driving wheel including a hole portion and attached to the driving shaft portion, the driving wheel being driven to rotate, a transmission receiving portion radially extending outward from the driving shaft portion and rotated together with the driving shaft portion, a friction transmission member clamped between the transmission receiving portion and a side surface of the driving wheel and frictionally transmitting a rotational force of the driving wheel to a rotary member, and a biasing portion applying a clamping force between the transmission receiving portion and the side surface of the driving wheel.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: October 23, 2012
    Assignee: Hirata Corporation
    Inventor: Hitoshi Tsugawa
  • Publication number: 20110253508
    Abstract: This invention provides a roller assembly including a rotary member including a driving shaft portion and a convey roller portion provided with the driving shaft portion, a driving wheel including a hole portion and attached to the driving shaft portion, the driving wheel being driven to rotate, a transmission receiving portion radially extending outward from the driving shaft portion and rotated together with the driving shaft portion, a friction transmission member clamped between the transmission receiving portion and a side surface of the driving wheel and frictionally transmitting a rotational force of the driving wheel to a rotary member, and a biasing portion applying a clamping force between the transmission receiving portion and the side surface of the driving wheel.
    Type: Application
    Filed: June 22, 2011
    Publication date: October 20, 2011
    Applicant: HIRATA CORPORATION
    Inventor: Hitoshi TSUGAWA
  • Publication number: 20110073436
    Abstract: A production device according to the present invention includes a plurality of processing units (41 to 45) arranged so as to consecutively perform a plurality of types of processing with respect to workpieces, a transport unit (30) that successively transports the workpieces toward the plurality of processing units, a plurality of monitor operation panels (80, 90) capable of monitoring the processing in the plurality of processing units and performing an adjustment operation regarding the processing or performing an operation regarding the overall operation and stop, and a plurality of movable holding mechanisms (60, 70) that movably holds the respective monitor operation panels toward each of the plurality of processing units.
    Type: Application
    Filed: May 28, 2008
    Publication date: March 31, 2011
    Inventors: Hisayuki Sueoka, Hitoshi Tsugawa, Susumu Noguchi
  • Publication number: 20110024264
    Abstract: A work transfer apparatus comprising a retaining unit (100) which can rotate unitary with a rotation table (20) which constitutes a transferring mechanism that is intermittently driven, a lifting and lowering unit (200) for lowering the retaining unit in order to transfer a work held by the retaining unit onto a processing table (30) as well as lifting the retaining unit in order to transfer the work held on the processing table onto the retaining unit, and a fixing unit (300) which can fix the work held on the retaining unit and release its fixation to transfer the work onto the processing table.
    Type: Application
    Filed: March 5, 2008
    Publication date: February 3, 2011
    Applicant: HIRATA CORPORATION
    Inventors: Naoyuki Tokunaga, Yoshiaki Araki, Hitoshi Tsugawa
  • Publication number: 20110000063
    Abstract: A production apparatus of the present invention produces a component assembly to an object to be processed in which a jig for holding a subsidiary component is set to a main component by sequentially performing predetermined processes in a plurality of processing areas (A1 to A6) arranged in a ring formation and then, by separating the jig, and includes a rotational table main body (20) rotated and driven by steps of a predetermined angle, a plurality of holding/transfer units (30) arranged in a circumference direction so as to rotate integrally with the rotational table main body and capable of holding the object or the component assembly and transferring the same onto processing tables in the plurality of processing areas, a plurality of loading portions (40) provided on the rotational table main body corresponding to the plurality of holding/transfer units and capable of loading the jig, and a plurality of processing units (60 to 110) provided for performing predetermined processes in the plurality of proc
    Type: Application
    Filed: February 20, 2008
    Publication date: January 6, 2011
    Inventors: Hisayuki Sueoka, Susumu Noguchi, Hiroyuki Shiga, Hitoshi Tsugawa