Thompson, Birch, Gauthier & Samuels
Tool holding apparatus for presses
 A press is disclosed having an upper tool which is vertically reciprocated by means of a ram and which is arranged to cooperate with a stationary lower tool in performing work on a workpiece positioned therebetween. The press is characterized by improved apparatus for detachably mounting the upper and lower tools, as well as by an improved apparatus for limiting upward movement of the workpiece during upward retraction of the upper tool. 
Amada Company, Limited
Y Y Y B B
Y10T Y10T Y10T B21D B21D
additional additional additional inventional inventional
Takashi Tadashi
Nakano Hirata