Clements' Driver.

Progress, 1 October 1907, Page 454

Clements' Driver.

Among chucks, etc., for power lathes one of the most remarkable is Clements' driver, Fig. 3. For heavy work and for turning long shafts this un-

proved driver, invented long ago by Mr. Clement, of Lambeth, ha<= been widely adop+ed. It differs from one form of the ordinary drivers in having two driving pins instead of one and m having them fixed in an outer plate instead of 1 1 that which is attached to the mandril. This outer plate is capable of sliding laterally for a short distance, thus accommodating itself to any inequality in the width of the opposite ends of the carrier ; bj which means each of the pins is made to transmit an equal share of the driving pov, er.