公开(公告)号：US10646103B2

公开(公告)日：2020-05-12

申请号：US15692457

申请日：2017-08-31

Applicant: OLYMPUS CORPORATION

Inventor： Yutaka Shirota ,  Masaaki Watanabe ,  Takahiro Hayama ,  Ayuko Kumada

IPC: A61B1/00 ,  A61B1/06 ,  A61B1/04 ,  A61B1/045 ,  A61B1/05 ,  G02B23/26

Abstract: A drive device includes a filter section that includes an optical filter, a transmission section that rotates around a rotation shaft, a first groove portion that is formed to the transmission section, a protruding portion that is formed to the filter section, in contact with the first groove portion, and that moves the filter section from a first position to a second position by moving along the first groove portion in coordination with rotation of the transmission section, and a second groove portion that is formed continuously with the first groove portion, and that is provided along a tangent line direction passing through the protruding portion that is on a circle having the rotation shaft of the transmission section at a center and a radius that is a distance between the rotation shaft and the protruding portion, when the optical filter section is moved to the second position.