The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 06, 2021
Filed:
Apr. 12, 2018
Olympus Corporation, Tokyo, JP;
Takashi Yamashita, Hachioji, JP;
Yasuaki Natori, Akishima, JP;
Takashi Suzuki, Hino, JP;
Yoshitaka Umemoto, Hachioji, JP;
Keijiro Omoto, Hachioji, JP;
Fumiyuki Onoda, Tama, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
An insertion device includes a long and thin insertion section, a rotating housing that is provided to be rotatable about a longitudinal axis, a drive shaft that is connected to a motor rotating the rotating housing, and that transmits a rotation of the motor, a rotor that is provided at a distal-end side of the drive shaft and that is provided to be movable in relation to the rotating housing in axial direction of the insertion section, and that transmits the rotation to the rotating housing via a coating of the insertion section, a sensor that detects that the rotor moves a predetermined amount in either forward or backward direction relative to the axial direction of the insertion section, and a control unit that controls, according to the detection by the sensor, a state of the motor including a positive rotation, a negative rotation, and rotation halt.