piston rod is connected with the cross- crank lever pivoted to the bottom of the block and con- head to which the piston rod of the power cylinder is nected by its other arm, by a link, with one of the bell attached, so that the two pistons move together. The crank levers operating the side clamps.… … | desired to open the door, all the pins are removed and ceived in grooved cams secured to the handle is swung downward and outward, there- the lay shaft, H, which is driven by beveled gearing by the main crank by partially rotating the crank bar and forcing the shaft. The cams are so arranged that…
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