the cam, crank, or eccentric being disposed below the lower platen or table and operating to pull down the upper platen or slide

Full Title

Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen > by cams, eccentrics, or cranks > the cam, crank, or eccentric being disposed below the lower platen or table and operating to pull down the upper platen or slide