| 摘要 |
PURPOSE:To variably control elastic force of a spring member before and after its installation, by storing the end part of the spring member in a guide groove provided on the member to which energizing force turning in one circumferential direction has been provided. CONSTITUTION:In suitable single or plural places of the side circumference of an inserting port part 6, a hole is formed, respectively, and a semispherical lock ball 13 which becomes a fitting part fitted to nearly the center of each plate spring 12 for forming each fitting piece 11 is fixed so as to project to the inside of the inserting port part 6 from each hole at all times. Each fitting piece 11 fixes and provides projectingly the lock ball 13 which is made to press-contact with the endoscope eyepiece part 3 and is fitted, with a screw, etc., in nearly the center of the plate spring, the plate spring 12 part being near one end part is bent so as to have an inclined part, and on its one end part, a guide ball 14 is stuck and is provided projectingly. |
