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公开(公告)号：US10655960B2
公开(公告)日：2020-05-19
申请号：US15984515
申请日：2018-05-21
Applicant: MITUTOYO CORPORATION
Inventor： Liming Li
IPC: G01B5/008 , G01B21/04 , G05B19/4093
Abstract: A method is provided to assist adjustment for a movement path of a probe. A coordinate measuring machine includes a probe having a tip for detecting a surface of an object, and a movement mechanism for moving the probe, and measures a shape of the object by allowing the probe tip to scan the surface. A controller controls operation of the coordinate measuring machine by calculating a scanning path for allowing the probe tip to perform scanning movement and the movement path followed by the probe when the probe tip moves along the scanning path, setting control points on a line connecting each position of the probe tip and each corresponding position of the probe accepting a change in position of the control points by a user, and changing the movement path accordingly. An adjustment guide unit in the controller allows the control points to move collectively.
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公开(公告)号：US10648833B2
公开(公告)日：2020-05-12
申请号：US16007466
申请日：2018-06-13
Applicant: Mitutoyo Corporation
Inventor： Yasuo Yamaguchi , Tomoyuki Otake
Abstract: A measurement device includes: attachment holes, provided on a scale frame with respect to a measurement direction; rear-face bushings inserted into the attachment holes from a rear face side of the scale frame; and fasteners that fix the scale frame to first measurement target part. Each of the rear-face bushings includes: a cylinder part, which is formed shorter than the length of the attachment holes with respect to a penetration direction and is formed having an outer diameter smaller than the inner diameter of the attachment holes; a flange, which is formed at the end of the cylinder part located toward the first measurement target part and which has an outer diameter greater than the inner diameter of the attachment holes; and an elastic member, which is cylindrical in shape and is provided covering the outer circumferential surface of the cylinder part.
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公开(公告)号：US20200094407A1
公开(公告)日：2020-03-26
申请号：US16139902
申请日：2018-09-24
Applicant: Mitutoyo Corporation
Inventor： Michael Nahum , Casey Edward Emtman
IPC: B25J9/16 , G05B19/402 , G05B19/401
Abstract: An end tool metrology position coordinates determination system is provided for use with a robot. A first accuracy level defined as a robot accuracy (e.g., for controlling and sensing an end tool position of an end tool that is mounted proximate to a distal end of a movable arm configuration of the robot) is based on using position sensors (e.g., encoders) included in the robot. The system includes the end tool, an imaging configuration, XY scale, image triggering portion and processing portion. One of the XY scale or imaging configuration is coupled to the end tool and the other is coupled to a stationary element (e.g., a frame located above the robot). The imaging configuration acquires an image of the XY scale, which is utilized to determine a relative position that is indicative of the end tool position, with an accuracy level that is better than the robot accuracy.
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公开(公告)号：US10598524B2
公开(公告)日：2020-03-24
申请号：US15637262
申请日：2017-06-29
Applicant: MITUTOYO CORPORATION
Inventor： Atsuya Niwano
Abstract: A measuring instrument is configured to detect a displacement of a contact point provided to be movable and to digitally display a measured value on a display unit provided on an outer surface of a case. The measuring instrument includes an input unit. The input unit is provided on the outer surface of the case and is configured to allow a user to input to the input unit through a manual operation. The input unit includes a sensor which is configured to detect an amount of operation and a speed of operation. The amount of operation is converted into a conversion value in view of the speed of operation and then is displayed on the display unit.
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公开(公告)号：US10591316B2
公开(公告)日：2020-03-17
申请号：US15941376
申请日：2018-03-30
Applicant: Mitutoyo Corporation
Inventor： Ted Staton Cook
Abstract: An electronic position encoder includes a scale comprising a pattern track having a track width dimension along a y-axis direction that is perpendicular to an x-axis measuring axis direction, a detector, and a signal processing configuration. The detector includes a field generating coil configuration fixed on a multi-layer printed circuit board (PCB), including a field generating coil portion that surrounds an interior area aligned with the pattern track and includes first and second elongated portions having a trace width along the y-axis direction, which is at least 0.1 times a y-axis width of the interior area. The detector includes conductive receiver loops arranged along the x-axis direction and fixed on the PCB. The first and second elongated portions are fabricated using at least an interior copper layer of the PCB, and the conductive receiver loops are fabricated using at least one copper layer that is closer than the interior copper layer to a front surface of the detector that faces the scale pattern.
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Patent Agency Ranking
公开(公告)号：US10584981B2
公开(公告)日：2020-03-10
申请号：US15981395
申请日：2018-05-16
Applicant: Mitutoyo Corporation
Inventor： Toshihiko Kajihara , Nobuyuki Hama , Tatsuki Nakayama , Toshihiro Kanematsu , Hiroomi Honda
Abstract: There is provided a surface texture measuring apparatus in which a measurement device is replaced easily and safely.A measurement device is replaceable by attaching and detaching the measurement device to and from a drive mechanism part. The measurement device includes a bracket, and the bracket includes a first connector for transmitting and receiving a signal to and from the measurement device and feeding to the measurement device. The drive mechanism part includes a support frame to which the bracket is detachably attached, and the support frame includes a second connector electrically connected to the first connector. The signal is transmitted and received between the first connector and the second connector, and the first connector is fed from the second connector while the first connector and the second connector are connected. Insertion and removal between the first connector and the second connector to attach and detach the measurement device to and from the drive mechanism part is hot swappable.
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公开(公告)号：US20200073093A1
公开(公告)日：2020-03-05
申请号：US16679731
申请日：2019-11-11
Applicant: Mitutoyo Corporation
Inventor： Kenji Okabe , Tatsuya Nagahama , Toru Yaku , Kimitoshi Ono
Abstract: A telecentric optical apparatus that is capable of suppressing an increase in the number of components as well as achieving high precision optical axis alignment, is provided. The telecentric optical apparatus of the present invention is characterized in that it is provided with: a first telecentric lens surface that is provided on an object side; a second telecentric lens surface that is provided on an image side and that shares a focus position with the first telecentric lens surface; and an optical path trimming part that is provided, between the first telecentric lens surface and the second telecentric lens surface, in an outside region, which is located on a side further out than a light passing region having a center thereof located at the focus position, and that changes an optical path such that a light beam incident on the outside region is prevented from contributing to image formation.
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公开(公告)号：US20200073025A1
公开(公告)日：2020-03-05
申请号：US16556546
申请日：2019-08-30
Applicant: MITUTOYO CORPORATION
Inventor： Shiro IGASAKI , Nobuo OOBA , Masaki OKAYASU , Yuki KURAHASHI
Abstract: A variable focal length lens apparatus includes a liquid lens apparatus in which the refractive index changes in accordance with an input drive signal, and a refractive power controller that controls refractive power of the lens system. The refractive power controller adjusts the voltage of the drive signal in accordance with effective power that is supplied to the liquid lens apparatus.
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公开(公告)号：US10578414B2
公开(公告)日：2020-03-03
申请号：US15439120
申请日：2017-02-22
Applicant: MITUTOYO CORPORATION
Inventor： Yasuhiro Takahama
IPC: G01B3/22 , G01B5/06 , G01B5/12 , G01B5/00 , G01B11/06 , G01B11/24 , G01B11/12 , G01N21/954 , G01B11/14 , G01M15/04
Abstract: An inner-wall measuring instrument includes: a placement surface on which an object to be measured is placed; a base relatively movable with respect to the placement surface in three axis directions orthogonal to one another; a touch probe that is disposed at a first position of the base and brought into contact with the object; an image probe that is disposed at a second position of the base and capable of imaging the object with a direction parallel to the placement surface being an imaging direction; a rotational drive unit that rotates the image probe around an axis extending in a direction perpendicular to the placement surface; a linear drive unit that moves the image probe in the imaging direction; and a calculator that calculates an offset amount between the touch probe disposed at the first position and the image probe disposed at the second position.
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公开(公告)号：US20200041246A1
公开(公告)日：2020-02-06
申请号：US16527438
申请日：2019-07-31
Applicant: MITUTOYO CORPORATION
Inventor： Toshihiro KANEMATSU
Abstract: A form measuring apparatus that is provided with a form measuring device that includes a detection device detecting a position on a surface of an object, and a feeding mechanism that moves the form measuring device in an axis direction. The feeding mechanism includes a drive shaft provided so as to be rotatable around an axis; a traction nut that is provided so as to hold the drive shaft from a direction orthogonal to an axis line of the drive shaft, and that also can switch between a frictional contacting state frictionally contacting the drive shaft and a separation state separated from the drive shaft; and a bracket coupling the traction nut and the form measuring device. The bracket is provided with a motor that includes a rotation shaft that is inclined with respect to the axis line, and the motor rotates the drive shaft.
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