| 摘要 |
A power transmission apparatus for an electric bending endoscope includes an actuating member (52a, 52b; 104a, 104b) switchable between a connection position to bring a clutch mechanism (50a, 50b) into a connection state and a release position to bring the clutch mechanism (50a, 50b) into a release state, the actuating member (52a, 52b; 104a, 104b) being interlocked with the clutch mechanism (50a, 50b), an electric drive mechanism (54a, 54b) being interlocked with the actuating member (52a, 52b; 104a, 104b), and a manual drive mechanism (108a, 110a, 118a, 108b, 110b, 118b; 104a, 110a, 138a) including an operation member (118a, 118b; 138a) manually switchable to at least one of a connection drive position to bring the actuating member (52a, 52b; 104a, 104b) into the connection position and a release drive position to bring the actuating member (52a, 52b; 104a, 104b) into the release position, and a selective actuation transmission mechanism (108a, 110a, 108b, 110b; 104a, 110a) provided between the operation member (118a, 118b; 138a) and the actuating member (52a, 52b; 104a, 104b) and to transmit the actuation of the operation member (118a, 118b; 138a) to the actuating member (52a, 52b; 104a, 104b) and absorb the actuation of the actuating member (52a, 52b; 104a, 104b) without transmitting the actuation to the operation member (118a, 118b; 138a). |
