| 摘要 |
PROBLEM TO BE SOLVED: To provide an instrument holder capable of pulling out a handpiece from a predetermined position as well as pulling back the handpiece to the predetermined position, smoothly.SOLUTION: A placement part 21 of an instrument unit holder A is provided in an oblique direction with respect to one side 2a of a holder body 2 and comprises: guide rollers 211 for guiding a handpiece 1 and supporting its body part; a drum-like roller 212 forming a substantially U shape with the guide roller 211 and supporting a head part of the handpiece 1; and a pivoting member 213 pivoting the drum-like roller 212 from the outside in an axial direction and becoming a side wall 2131 of the placement part 21. The axial length of the drum-like roller 212 is longer than the width between a pair of guide rollers 211 at the outside of a columnar part. A shaft 2121 of the drum-like roller 212 is positioned above an extension line extending the centers of shafts of the guide rollers 211. The central part of the drum-like roller 212 is a constricted shape.SELECTED DRAWING: Figure 4 |
