| 摘要 |
A turret wherein, in order that the assembly may be easy and a turret board may be stopped accurately in a predetermined position, the turret board provided with a plurality of notches is connected with a driving plate so as to be relatively rotatable in a slight range and the driving plate is so made as to be stopped by the cooperation of incisions provided in response to the respective notches in the turret board with a detecting element or the cooperation of a locking member with the detecting element just after the locking member engages with one of the notches. The detecting element is such photoelectric element as a photointerrupter.
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