Patents by Inventor Ryuji Takikawa
Ryuji Takikawa 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).
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Patent number: 11389975Abstract: In a spring balancer apparatus, a flange includes a through-hole and a first and second flange member, the first flange member positioned radially inside a compression spring and removably held on another end of the shaft by a first nut member fastened to a first external thread on the shaft, the second flange member including a central hole and removably fixed to an outer periphery of the first flange member from a rear end plate side. The rear end plate of a casing includes an abutting part on which an outer periphery of the second flange member abuts, and an opening through which a surface of the second flange member is externally exposed at a position radially inside the abutting part and radially outside the central hole. At least one of a front end plate and the rear end plate is removably fixed to a cylindrical body of the casing.Type: GrantFiled: November 5, 2019Date of Patent: July 19, 2022Assignee: FANUC CORPORATIONInventor: Ryuji Takikawa
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Patent number: 10773379Abstract: A joint structure for a robot of the present invention includes: a first member; a speed reducer coupled to one surface of a wall portion of the first member; a motor located at a side opposite to the one surface of the wall portion of the first member; a first gear attached to a shaft of the motor; a second gear attached to a shaft of an input unit of the speed reducer and intermeshing with the first gear; and a second member attached to an output unit of the speed reducer. The diameter of the second gear is larger than a coupling unit that couples to the first member. The first member is provided with a gear accommodating portion that accommodates the first and second gear, a part of the gear accommodating portion which covers at least the second gear is removable with respect to the first member.Type: GrantFiled: March 23, 2016Date of Patent: September 15, 2020Assignee: FANUC CORPORATIONInventors: Ryuji Takikawa, Satoshi Kinoshita
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Publication number: 20200147815Abstract: In a spring balancer apparatus, a flange includes a through-hole and a first and second flange member, the first flange member positioned radially inside a compression spring and removably held on another end of the shaft by a first nut member fastened to a first external thread on the shaft, the second flange member including a central hole and removably fixed to an outer periphery of the first flange member from a rear end plate side. The rear end plate of a casing includes an abutting part on which an outer periphery of the second flange member abuts, and an opening through which a surface of the second flange member is externally exposed at a position radially inside the abutting part and radially outside the central hole. At least one of a front end plate and the rear end plate is removably fixed to a cylindrical body of the casing.Type: ApplicationFiled: November 5, 2019Publication date: May 14, 2020Applicant: FANUC CORPORATIONInventor: Ryuji TAKIKAWA
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Patent number: 10618173Abstract: A processing system and a method for controlling a processing machine of the system, by which the processing accuracy of the processing machine due to the motion of the robot can be prevented from being deteriorated, without reducing the working ratio of the processing system. A processing machine controller has: a vibration suppression controlling section configured to operate at least one of a table and a processing tool, and calculate an amount of motion correction for reducing the change in a relative position between the table and the processing tool measured by vibration sensors respectively arranged on the table and a tool driving part; a storing section configured to store the calculated amount motion correction; and a program executing section configured to, during the robot performs the predetermined motion, execute the processing program while executing vibration suppressing motion based on the stored amount of motion correction.Type: GrantFiled: August 30, 2018Date of Patent: April 14, 2020Assignee: FANUC CORPORATIONInventor: Ryuji Takikawa
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Publication number: 20190099888Abstract: A processing system and a method for controlling a processing machine of the system, by which the processing accuracy of the processing machine due to the motion of the robot can be prevented from being deteriorated, without reducing the working ratio of the processing system. A processing machine controller has: a vibration suppression controlling section configured to operate at least one of a table and a processing tool, and calculate an amount of motion correction for reducing the change in a relative position between the table and the processing tool measured by vibration sensors respectively arranged on the table and a tool driving part; a storing section configured to store the calculated amount motion correction; and a program executing section configured to, during the robot performs the predetermined motion, execute the processing program while executing vibration suppressing motion based on the stored amount of motion correction.Type: ApplicationFiled: August 30, 2018Publication date: April 4, 2019Inventor: Ryuji TAKIKAWA
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Patent number: 10201839Abstract: A washing system that can reliably remove chips attached to the surface of a jig on which a workpiece is placed. The washing system includes a nozzle, a manipulator for moving the nozzle, an imaging part for capturing an image of a region on which a workpiece is placed, a chip detecting part for detecting a chip in the region based on the image captured by the imaging part, a arrangement determining part for determining a position and posture of the nozzle when the fluid is sprayed to the chip, a manipulator controlling part for controlling the manipulator so that the nozzle is located at the determined position and posture, and a fluid supplying part for injecting, through the nozzle, the fluid that has been supplied to the nozzle.Type: GrantFiled: August 22, 2018Date of Patent: February 12, 2019Assignee: FANUC CORPORATIONInventor: Ryuji Takikawa
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Patent number: 10195649Abstract: A washing system that can reliably remove chips attached to the surface of a jig on which a workpiece is placed. The washing system includes a nozzle, a manipulator for moving the nozzle, an imaging part for capturing an image of a region on which a workpiece is placed, a chip detecting part for detecting a chip in the region based on the image captured by the imaging part, a arrangement determining part for determining a position and posture of the nozzle when the fluid is sprayed to the chip, a manipulator controlling part for controlling the manipulator so that the nozzle is located at the determined position and posture, and a fluid supplying part for injecting, through the nozzle, the fluid that has been supplied to the nozzle.Type: GrantFiled: August 4, 2016Date of Patent: February 5, 2019Assignee: FANUC CORPORATIONInventor: Ryuji Takikawa
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Publication number: 20180354000Abstract: A washing system that can reliably remove chips attached to the surface of a jig on which a workpiece is placed. The washing system includes a nozzle, a manipulator for moving the nozzle, an imaging part for capturing an image of a region on which a workpiece is placed, a chip detecting part for detecting a chip in the region based on the image captured by the imaging part, a arrangement determining part for determining a position and posture of the nozzle when the fluid is sprayed to the chip, a manipulator controlling part for controlling the manipulator so that the nozzle is located at the determined position and posture, and a fluid supplying part for injecting, through the nozzle, the fluid that has been supplied to the nozzle.Type: ApplicationFiled: August 22, 2018Publication date: December 13, 2018Applicant: FANUC CORPORATIONInventor: Ryuji Takikawa
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Patent number: 10099389Abstract: An industrial robot provided with a drive shaft in which a power transmission unit is arranged between a servomotor and a power output unit includes: a first brake unit integrally incorporated in the servomotor; and a second brake unit which is connected to the power transmission unit to branch to a power transmission path of the power transmission unit. The drive shaft is braked by using both the first brake unit and the second brake unit.Type: GrantFiled: March 10, 2015Date of Patent: October 16, 2018Assignee: FANUC CORPORATIONInventors: Satoshi Kinoshita, Ryuji Takikawa, Shinya Chikara
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Patent number: 10005191Abstract: There is provided a holding apparatus for a robot including: two or more finger sections disposed opposite to each other so as to face toward a holding center; a work pressing section on which a work abuts when the work is inserted between the finger sections; and a driving unit that moves respective distal ends of the finger sections toward the holding center, wherein each of the finger sections includes a finger section main body formed of at least two plate-like elastic bodies, and a reinforcing member that is disposed along an outer surface of the main body, is joined to a distal end of the main body, and has higher rigidity than the main body, and the reinforcing member is swingably provided around an axis perpendicular to a longitudinal direction of the main body, and parallel to a surface of the main body.Type: GrantFiled: March 6, 2017Date of Patent: June 26, 2018Assignee: Fanuc CorporationInventors: Ryuji Takikawa, Yuutarou Tsukahara
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Publication number: 20180067467Abstract: There is provided a machining system including: a machine tool that moves a table on which a plurality of works are fixed, in a two-dimensional manner, to machine the one work by driving a blade shaft in a direction orthogonal to a moving direction of the table; a robot that is disposed at a position accessible to the table of the machine tool to apply processing to the other one work fixed to the table; and a robot control unit that controls the robot so as to follow movement of the table on the basis of position information on the table.Type: ApplicationFiled: July 24, 2017Publication date: March 8, 2018Applicant: Fanuc CorporationInventors: Kiyotaka OKUZONO, Ryuji TAKIKAWA
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Publication number: 20170297210Abstract: There is provided a holding apparatus for a robot including: two or more finger sections disposed opposite to each other so as to face toward a holding center; a work pressing section on which a work abuts when the work is inserted between the finger sections; and a driving unit that moves respective distal ends of the finger sections toward the holding center, wherein each of the finger sections includes a finger section main body formed of at least two plate-like elastic bodies, and a reinforcing member that is disposed along an outer surface of the main body, is joined to a distal end of the main body, and has higher rigidity than the main body, and the reinforcing member is swingably provided around an axis perpendicular to a longitudinal direction of the main body, and parallel to a surface of the main body.Type: ApplicationFiled: March 6, 2017Publication date: October 19, 2017Applicant: Fanuc CorporationInventors: Ryuji TAKIKAWA, Yuutarou TSUKAHARA
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Publication number: 20170043442Abstract: A washing system that can reliably remove chips attached to the surface of a jig on which a workpiece is placed. The washing system includes a nozzle, a manipulator for moving the nozzle, an imaging part for capturing an image of a region on which a workpiece is placed, a chip detecting part for detecting a chip in the region based on the image captured by the imaging part, a arrangement determining part for determining a position and posture of the nozzle when the fluid is sprayed to the chip, a manipulator controlling part for controlling the manipulator so that the nozzle is located at the determined position and posture, and a fluid supplying part for injecting, through the nozzle, the fluid that has been supplied to the nozzle.Type: ApplicationFiled: August 4, 2016Publication date: February 16, 2017Applicant: FANUC CORPORATIONInventor: Ryuji Takikawa
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Publication number: 20160297066Abstract: A joint structure for a robot of the present invention includes: a first member; a speed reducer coupled to one surface of a wall portion of the first member; a motor located at a side opposite to the one surface of the wall portion of the first member; a first gear attached to a shaft of the motor; a second gear attached to a shaft of an input unit of the speed reducer and intermeshing with the first gear; and a second member attached to an output unit of the speed reducer. The diameter of the second gear is larger than a coupling unit that couples to the first member. The first member is provided with a gear accommodating portion that accommodates the first and second gear, a part of the gear accommodating portion which covers at least the second gear is removable with respect to the first member.Type: ApplicationFiled: March 23, 2016Publication date: October 13, 2016Inventors: Ryuji TAKIKAWA, Satoshi KINOSHITA
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Publication number: 20150258681Abstract: An industrial robot provided with a drive shaft in which a power transmission unit is arranged between a servomotor and a power output unit includes: a first brake unit integrally incorporated in the servomotor; and a second brake unit which is connected to the power transmission unit to branch to a power transmission path of the power transmission unit. The drive shaft is braked by using both the first brake unit and the second brake unit.Type: ApplicationFiled: March 10, 2015Publication date: September 17, 2015Inventors: Satoshi Kinoshita, Ryuji Takikawa, Shinya Chikara
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Publication number: 20090084927Abstract: An industrial robot capable of being decomposed into multiple units at the time of conveyance of the robot and being conveyed individually in units: wherein each of the units has a holding bracket for conveyance means to hold the unit in order to convey the unit.Type: ApplicationFiled: August 20, 2008Publication date: April 2, 2009Applicant: FANUC LTDInventors: Ryo NIHEI, Satoshi KINOSHITA, Ryuji TAKIKAWA
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Publication number: 20070089963Abstract: A stop device for a robot for stopping the relative motion of a pair of mutually movable parts, having a stopper member provided at least one of the pair of mutually movable parts, the stopper member being sandwiched between the pair of mutually movable parts when the pair of mutually movable parts collide with the stopper member, wherein the stopper member is a combination member composed of at least two members of different hardness adhered to each other, such that opposite end faces of one member of highest hardness of at least two members, are adapted respectively to come into direct contact with the pair of mutually movable parts and to receive a compression load exerted between the pair of mutually movable parts at a time of collision in a generally perpendicular direction to the end faces.Type: ApplicationFiled: October 25, 2006Publication date: April 26, 2007Inventors: Satoshi Kinoshita, Ryuji Takikawa
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Publication number: 20060182608Abstract: A formed article taking-out apparatus used for taking out a formed article from a forming machine.Type: ApplicationFiled: January 9, 2006Publication date: August 17, 2006Inventors: Satoshi Kinoshita, Mitsuhiro Yasumura, Ryuji Takikawa