ROTATION STOPPER FOR OPENING AND CLOSING PLATES IN CENTER FIXING DEVICE OF BAND-SHAPED ORNAMENT

摘要

There is provided a pair of open plates 3 rotatably connected to both ends of a base 1 and adapted to be oppositely opened from closed positions. The open plates are held at the closed position by holding means 5, 6. Stopping means 15, 16 are provided for stopping the open plates halfway of an opening operation.