| 摘要 |
PROBLEM TO BE SOLVED: To allow assembly inexpensively with less man-hours since assembly does not require plastic working and dedicated tools.SOLUTION: In an endoscope, there are provided: a hard part which is provided at a distal end in an insertion direction; a bent part whose loose end is connected to the hard part and which becomes freely curvable by a plurality of node rings 47 being engaged between itself and the distal end; and a tack member 95 in which an outside engaging piece 91 and an inside engaging piece 93 configuring an engaging part 49 between the node rings are overlapped, which has a head 97 and a smaller diameter shaft part 99 than the head 97, in which a shaft part 99 goes through an outside through hole 101 provided in a projection manner for the outside engaging piece 91, is inserted in the inside through hole 103 of the inside engaging piece 93, and joined to either the outside engaging piece 91 or the inside engaging piece 93, and a shaft end surface 105 is arranged in almost on the same plane as a through hole opening surface 107 of the inside engaging piece 93. |
