| 摘要 |
A revolving tool carrying turret for lathes and the like machine tools, comprises a fixed base and a movable tool carrying body, effective to be locked to one another by base ring gears, the fixed base being provided with a central upright thereon is coaxially formed a screw rigid therewith, engaging a nut screw effective to revolve and axially move through a predetermined angle, corresponding to the movement required for unlocking or locking the base ring gears. The central upright supports, at the top end thereof, an electric motor therewith is coupled an epicyclical unit having a first end gear wheel rigid with the tool carrying body and a second end gear wheel rigid with the nut screw, between the two end gear wheels being located one or more planet wheels. |
