Patents Assigned to Hirata Corporation
  • Patent number: 8689444
    Abstract: A method for adjusting a valve clearance in a cylinder head using a rocker arm of a support point adjustable type. In the method, an adjustment screw is rotated in one direction until a camshaft comes in contact with a cam shaft contact section to make the amount of valve opening zero, then further rotated until the valve is released with a certain valve opening amount, and after that, rotated in a reverse direction by a certain rotation angle and accordingly loosened until a desired valve clearance value is obtained. In the process above, the method determines a first rotation angle of the adjustment screw necessary for the adjustment screw to move from a position where the valve is released with the certain valve opening amount to a position where the camshaft comes in contact with the camshaft contact section.
    Type: Grant
    Filed: June 6, 2008
    Date of Patent: April 8, 2014
    Assignee: Hirata Corporation
    Inventors: Hisayuki Sueoka, Yasuyoshi Miyauchi, Yasuo Morise, Tatsumi Otomura
  • Publication number: 20140083818
    Abstract: A component transfer device according to the present invention includes a holding mechanism that positions and holds a component on a carrying surface located at a predetermined height and a pull-out unit that pulls out the component held on the carrying surface by the holding mechanism in a horizontal direction. The pull-out unit includes a grasping member that can separably grasp the component from a vertical direction, a cam member that causes the grasping member to perform a component grasping operation and a component releasing operation at predetermined timings by exercising a cam function to the grasping member, a driving mechanism that drives the cam member and the grasping member, and a restraint mechanism that restrains a relative movement of the cam member with respect to the movable holder upon grasping operation.
    Type: Application
    Filed: December 5, 2013
    Publication date: March 27, 2014
    Applicant: HIRATA CORPORATION
    Inventors: Yoichi HIRASAWA, Katsuyoshi TACHIBANA, Soichi TATENO, Toshihito SEKI
  • Publication number: 20140023472
    Abstract: A piston supply apparatus includes a piston gripping portion and a piston supply portion. The piston supply portion includes a connecting rod gripping unit gripping the connecting rod of the piston placed in a preparation area, a guide member abutting against a skirt portion of the piston to match an axial direction of the piston with a predetermined specified direction, a moving unit moving the gripping unit from the preparation area to a supply position in air, and a pivoting unit making the gripping unit pivot such that the piston top portion of the piston in a downward state is set in an upward state. The piston supply apparatus further includes a pressing unit pressing the piston top portion of the piston made to pivot to the upward state against the guide member.
    Type: Application
    Filed: September 24, 2013
    Publication date: January 23, 2014
    Applicant: HIRATA CORPORATION
    Inventors: Hisayuki SUEOKA, Yasuhiko WAKATSUKI
  • Publication number: 20140008179
    Abstract: A work stopping apparatus according to this invention includes a swing unit pivotable about a first pivot shaft between an abutment position and a retracted position, and a driving unit pivoting the swing unit. The swing unit includes a swing portion and a movable portion including a work abutment portion. The movable portion is pivotable about a second pivot shaft parallel to the first pivot shaft. A distance between the first pivot shaft and the work abutment portion becomes short along with pivoting motion of the swing unit from the abutment position to the retracted position.
    Type: Application
    Filed: September 11, 2013
    Publication date: January 9, 2014
    Applicant: HIRATA CORPORATION
    Inventor: Bungo MATSUMOTO
  • Publication number: 20140011149
    Abstract: A carrier transport system transports a plurality of carriers by a transport conveyor into a heating furnace, advances a comb-shaped carrier stopper having a plurality of protrusions toward the carriers, moves the carriers by the transport conveyor in a transport direction to engage cutout grooves, provided respectively for the carriers, with the protrusions of the carrier stopper to thereby position the carriers at a time. The carrier transport system advances the carrier stopper toward the carriers to insert distal ends of the protrusions of the carrier stopper into insertion holes, and then determines, on the basis of a moved distance X of the carrier stopper, whether the carriers are properly positioned.
    Type: Application
    Filed: September 4, 2013
    Publication date: January 9, 2014
    Applicants: HIRATA CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masanari MATSUURA, Sotaro OI, Tomoyuki KUBOTA
  • Patent number: 8591163
    Abstract: To ensure that an abnormality in a closed state of a FOUP door serving as a lid of a FOUP can be detected quickly and reliably, a FOUP opener includes a port door attached detachably to an opening window in a port plate for separating the interior and exterior of a semiconductor processing device, and a dock unit for positioning the FOUP in a FOUP door attachment/detachment position. A suction disc mechanism and a lock mechanism for fixing the FOUP door to a FOUP main body and releasing the FOUP door are disposed on the port door. A FOUP door detection sensor for determining whether or not the FOUP door fixed to the FOUP main body, which is positioned in the FOUP door attachment/detachment position on the dock unit, is attached correctly to an opening portion of the FOUP main body is disposed on the port plate.
    Type: Grant
    Filed: February 4, 2011
    Date of Patent: November 26, 2013
    Assignee: Hirata Corporation
    Inventors: Noriyoshi Toyoda, Hirofumi Nakamura
  • Patent number: 8568660
    Abstract: A disk for storing liquid samples containing cells and for use in counting and observing the cells through an optical microscope includes an upper member formed of a transparent material and having a plurality of liquid inlets arranged radially and adapted to introduce the corresponding liquid samples therethrough, and a plurality of air vents paired with the corresponding liquid inlets; an intermediate member having a plurality of chambers arranged radially and adapted to store the corresponding liquid samples therein, each chamber corresponding to each pair of the liquid inlet and the air vent and communicating with the liquid inlet and with the air vent; and a lower member formed of a transparent material and backing the intermediate member. The optical microscope assumes the form of an incident-light microscope.
    Type: Grant
    Filed: June 8, 2006
    Date of Patent: October 29, 2013
    Assignee: Hirata Corporation
    Inventors: Shiro Kanegasaki, Takafumi Iseri
  • Patent number: 8556245
    Abstract: A work inspector and carrier includes a carrier unit (40, 50, 60) for carrying a workpiece from a carry-in area to a carry-out area, and an inspection unit (70) for performing a predetermined inspection on the workpiece. The carrier unit is formed so as to move the inspection unit (70) together with the workpiece in order to carry the workpiece from the carry-in area to the carry-out area while performing the inspection by the inspection unit. When carrying the workpiece from the carry-in area to the carry-out area, the inspection unit performs the predetermined inspection on the workpiece while being moved together with the workpiece. Thus, the overall time required for inspection and transportation can be reduced.
    Type: Grant
    Filed: March 19, 2008
    Date of Patent: October 15, 2013
    Assignee: Hirata Corporation
    Inventors: Hisayuki Sueoka, Souta Ohga, Yoshiaki Araki
  • Publication number: 20130259628
    Abstract: The present invention provides a transport unit comprising a base member, a transport mechanism and a positioning mechanism. The base member includes a bottom wall extending in a transport direction and a pair of side walls standing upright from two side portions, respectively, of the bottom wall. The transport mechanism is supported by the base member and transports an object to be transported. The positioning mechanism is supported by the base member, and positions the object relative to the base member.
    Type: Application
    Filed: March 7, 2013
    Publication date: October 3, 2013
    Applicant: Hirata Corporation
    Inventor: Yoichi Hirasawa
  • Patent number: 8529185
    Abstract: A work handling apparatus includes a general-purpose tray holding unit which can move in the left and right direction while holding a general-purpose tray that accommodates works, a processing tray holding unit which is arranged adjacent to the rear side in the front and rear direction of the general-purpose tray holding unit and can move in the left and right direction while holding a processing tray for carrying works in and out of a processing area, and work transfer units which can move in the front and rear direction and the vertical direction so as to transfer works between the general-purpose tray and the processing tray. Thus, the general-purpose tray holding unit and the processing tray holding unit move in the Y direction within the XY plane, and the work transfer units move within the XZ plane, so that the work transfer operation can be increased in speed and the productivity is improved.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: September 10, 2013
    Assignee: Hirata Corporation
    Inventors: Yoichi Hirasawa, Katsuo Saito, Yoji Shinozaki, Motoyasu Ohata, Toshihiko Watanabe
  • Patent number: 8522953
    Abstract: A conveyer device conveys a component assembly including a female screw component having a through hole defining a female screw, an assembling component to be assembled to the female screw component from above, and a bolt to be screwed to the female screw of the female screw component from above the assembling component to fix the assembling component. The conveyer device also includes a holding member for holding the female screw component and a screwing restriction mechanism for restricting the bolt, held by the assembling component while unscrewed from the female screw, from being screwed to the female screw. Thus, when the component assembly, to which the bolt is temporarily assembled without being engaged with the female screw, is conveyed while being held by the holding member via the female screw component, the bolt is prevented from being unintentionally screwed into the female screw as the result of vibration etc. caused by the conveyance.
    Type: Grant
    Filed: April 14, 2008
    Date of Patent: September 3, 2013
    Assignee: Hirata Corporation
    Inventor: Yuichi Iwamoto
  • Publication number: 20130220042
    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: Application
    Filed: April 8, 2013
    Publication date: August 29, 2013
    Applicant: HIRATA CORPORATION
    Inventor: Hirata Corporation
  • Patent number: 8505176
    Abstract: A snap ring attachment includes a guide cylinder (40) defining a guide path (41) having a region of a supply port side of a snap ring exhibiting a circular section and a region of an exit side of the snap ring exhibiting an oval section and continuously varying from the circular section to the oval section, so as to guide the snap ring toward an attachment groove, a posture changing and pressing mechanism (50) provided in the guide cylinder for pressing the snap ring supplied in an upright state vertical to the extending direction of the guide path while being radially contracted, to tiltingly move it, then again erect it, and press it while changing its posture to be pushed into the attachment groove, and a driving mechanism (60) for exerting driving force to generate pressing force in the posture changing and pressing mechanism.
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: August 13, 2013
    Assignee: Hirata Corporation
    Inventors: Michitomo Ueda, Kotaro Takamura, Yukihiro Kawamoto
  • Patent number: 8467989
    Abstract: The present invention provides a method for measuring a clearance (13) between facing surfaces of a first member (11) and a second member (12). The method includes a step (S1) of bringing a pair of probes each having a tip end (14) slightly larger than the clearance (13) into direct contact with the clearance (13) and measuring a separation distance between the two tip ends (14), and a calculating step (S2) of calculating and measuring a clearance value (d1) on the basis of the separation distance between the tip ends (14).
    Type: Grant
    Filed: March 29, 2008
    Date of Patent: June 18, 2013
    Assignee: Hirata Corporation
    Inventors: Hisayuki Sueoka, Hiroshi Yoshida, Tatsumi Otomura, Hiroya Mitsushima
  • Publication number: 20130142596
    Abstract: A sorting apparatus includes: a sorting device receiving and transporting a rack carrying vessels and transferring vessels from the rack to predetermined vessel loading portions; and a delivery device delivering the rack to the sorting device. The sorting device includes: a rack receiving unit capable of moving reciprocally between a rack delivery position where the rack is delivered and a sorting position where the vessels are loaded into the predetermined vessel loading portions; a transfer machine transferring the vessels from the rack on the rack receiving unit to the predetermined vessel loading portions; and a transportation mechanism on which the rack delivering unit and the transfer machine are installed. The transportation mechanism is installed so as to be capable of moving in a transportation direction in which rack receiving unit moves reciprocally. The transfer machine is capable of moving in a direction perpendicular to the transportation direction.
    Type: Application
    Filed: December 6, 2012
    Publication date: June 6, 2013
    Applicant: HIRATA CORPORATION
    Inventor: HIRATA CORPORATION
  • Patent number: 8444368
    Abstract: This invention provides a substrate transport apparatus (100) which transports a substrate (W) placed on a hand portion (10) to a processing apparatus or a predetermined storage unit. The substrate transport apparatus (100) includes a moving means (20) for supporting the proximal side (10b) of the hand portion (10) serving as one end of the hand portion (10), and reciprocally moving the hand portion (10) in the direction of its extension, a tilt detection means (30) for detecting the tilt of a distal end (10a) of the hand portion (10) with respect to the horizontal direction, which accompanies flexure of the hand portion (10) upon placing the substrate (W) on the hand portion (10), and a tilt correction means (40) for generating a pitching motion of the hand portion (10) as a whole so as to cancel the tilt of the distal end (10a) of the hand portion (10).
    Type: Grant
    Filed: June 4, 2010
    Date of Patent: May 21, 2013
    Assignee: Hirata Corporation
    Inventor: Kouji Irie
  • Patent number: 8438722
    Abstract: An apparatus for detecting component attachment of the present invention includes a detection head for detecting presence or absence of a component or whether or not a component is attached, and a driving mechanism for driving the detection head in an attachment direction of the component. The detection head includes a movable element having a distal end portion capable of being brought into contact with a predetermined portion of the component, a guide passage for guiding the movable element in the attachment direction so as to be capable of reciprocal motion, a fluid passage for passing a fluid when the distal end portion is brought into contact with the predetermined portion and pushed and the movable element is moved to a predetermined position, and a detection portion for detecting a pressure or a flow rate of the fluid flowing through the fluid passage.
    Type: Grant
    Filed: January 15, 2007
    Date of Patent: May 14, 2013
    Assignee: Hirata Corporation
    Inventors: Hidehiro Ukai, Ryota Asai
  • 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: 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: 8376122
    Abstract: This invention relates to a stop device including a swinging unit which includes a workpiece abutment portion which stops a workpiece being conveyed by abutting against the workpiece, and is pivotal between an abutment position and a retraction position, an elastic member for the swinging unit which gives a biasing force to the swinging unit, an electromotive drive unit including a movable portion and a driving portion, and a pivot restricting member which performs pivot restriction of the swinging unit by moving to engage with the swinging unit in response to movement of the movable portion and releases the pivot restriction.
    Type: Grant
    Filed: May 9, 2012
    Date of Patent: February 19, 2013
    Assignee: Hirata Corporation
    Inventor: Bungo Matsumoto