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公开(公告)号：US09919341B2
公开(公告)日：2018-03-20
申请号：US15402626
申请日：2017-01-10
Applicant: TOPCON Corporation
Inventor： Yoshihiko Tokuda , Satoshi Nakamura , Yosuke Okudaira
CPC classification number: B06B1/06 , G01C1/02 , G01C15/002 , G01S7/4813 , G01S17/66 , G02B23/16 , H01L41/09 , H02N2/10 , H02N2/12 , H02N2/163
Abstract: The invention provides an ultrasonic motor, which is an ultrasonic motor provided on a shaft end of a rotation shaft. An output shaft of the ultrasonic motor is connected to the rotation shaft, a stator is rotatably provided on the output shaft, a rotor is fixed to the rotation shaft, a vibration generating component for generating an ultrasonic vibration is provided on either one of the rotor or the stator. A whirl-stop unit is provided between the stator and a fixed side for supporting the rotation shaft: the whirl-stop unit has a joint holder provided on the fixed side and a connection element provided on the stator: the joint holder has a ball holder for pressing a metal ball to the connection element in a circumferential direction and a connection pin holding the connection element between the ball holder and the connection pin, spanning over the joint holder and capable of tilting.
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Patent Agency Ranking
公开(公告)号：US20170205229A1
公开(公告)日：2017-07-20
申请号：US15402599
申请日：2017-01-10
Applicant: TOPCON Corporation
Inventor： Yoshihiko Tokuda , Satoshi Nakamura , Yosuke Okudaira
CPC classification number: G01C3/04 , G01C5/00 , G01C15/002
Abstract: The invention provides a surveying instrument, which comprises a frame unit provided capable of rotating horizontally via a horizontal rotation shaft, a telescope unit provided capable of rotating vertically via a vertical rotation shaft in a recessed portion formed in the frame unit, a vertical rotation driving unit in which a vertical output shaft is connected to the vertical rotation shaft, and a whirl-stop unit provided on an outer side of a side plate of the frame unit along the side plate and connecting the vertical rotation driving unit and the frame unit to each other.
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公开(公告)号：US20170203332A1
公开(公告)日：2017-07-20
申请号：US15402626
申请日：2017-01-10
Applicant: TOPCON Corporation
Inventor： Yoshihiko Tokuda , Satoshi Nakamura , Yosuke Okudaira
CPC classification number: B06B1/06 , G01C1/02 , G01C15/002 , G01S7/4813 , G01S17/66 , G02B23/16 , H01L41/09 , H02N2/10 , H02N2/12 , H02N2/163
Abstract: The invention provides an ultrasonic motor, which is an ultrasonic motor provided on a shaft end of a rotation shaft. An output shaft of the ultrasonic motor is connected to the rotation shaft, a stator is rotatably provided on the output shaft, a rotor is fixed to the rotation shaft, a vibration generating component for generating an ultrasonic vibration is provided on either one of the rotor or the stator. A whirl-stop unit is provided between the stator and a fixed side for supporting the rotation shaft: the whirl-stop unit has a joint holder provided on the fixed side and a connection element provided on the stator: the joint holder has a ball holder for pressing a metal ball to the connection element in a circumferential direction and a connection pin holding the connection element between the bail holder and the connection pin, spanning over the joint holder and capable of tilting.
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公开(公告)号：US10522735B2
公开(公告)日：2019-12-31
申请号：US15402616
申请日：2017-01-10
Applicant: TOPCON Corporation
Inventor： Yoshihiko Tokuda , Satoshi Nakamura , Yosuke Okudaira
IPC: H01L41/09 , B06B1/06 , G01S7/481 , H01L41/053 , H01L41/187
Abstract: The invention provides a surveying instrument, in which an output shaft of an ultrasonic motor is attachably and detachably connected by a bolt to a lower end of a horizontal shaft of a frame unit supported rotatably in a horizontal direction, a rotating plate is fixed to the output shaft, a vibration generating component is formed on an outer circumferential portion of the rotating plate, a stator in close contact with the vibration generating component via a predetermined friction torque T1 is rotatably provided on the output shaft, the stator is restricted on a rotation by a whirl-stop unit, ultrasonic vibration is generated in the vibration generating component and the output shaft is rotated.
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公开(公告)号：US10281271B2
公开(公告)日：2019-05-07
申请号：US15402599
申请日：2017-01-10
Applicant: TOPCON Corporation
Inventor： Yoshihiko Tokuda , Satoshi Nakamura , Yosuke Okudaira
Abstract: The invention provides a surveying instrument, which comprises a frame unit provided capable of rotating horizontally via a horizontal rotation shaft, a telescope unit provided capable of rotating vertically via a vertical rotation shaft in a recessed portion formed in the frame unit, a vertical rotation driving unit in which a vertical output shaft is connected to the vertical rotation shaft, and a whirl-stop unit provided on an outer side of a side plate of the frame unit along the side plate and connecting the vertical rotation driving unit and the frame unit to each other.
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公开(公告)号：US20170207384A1
公开(公告)日：2017-07-20
申请号：US15402616
申请日：2017-01-10
Applicant: TOPCON Corporation
Inventor： Yoshihiko Tokuda , Satoshi Nakamura , Yosuke Okudaira
IPC: H01L41/09 , H01L41/053 , B06B1/06 , G01S7/481 , H01L41/187
CPC classification number: H01L41/09 , B06B1/06 , G01C15/00 , G01S7/481 , H01L41/0533 , H01L41/187 , H02N2/163
Abstract: The invention provides a surveying instrument, in which an output shaft of an ultrasonic motor is attachably and detachably connected by a bolt to a lower end of a horizontal shaft of a frame unit supported rotatably in a horizontal direction, a rotating plate is fixed to the output shaft, a vibration generating component is formed on an outer circumferential portion of the rotating plate, a stator in close contact with the vibration generating component via a predetermined friction torque T1 is rotatably provided on the output shaft, the stator is restricted on a rotation by a whirl-stop unit, ultrasonic vibration is generated in the vibration generating component and the output shaft is rotated.
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