Breitenstein, Laramie, 'Wyoming This inventor has de· vised a bell·ringing mechanism in which the steam ope· ra tes a plunger or piston In one direction only, the move· ment in the reverse direction being effected by the weight of the bell. It comprises a cylinder with inlet and ex· haust ports, and a shifting valve having a port discharg' ing agamst the operating piston. this port being alter· nately brought in register with the inlet and exhaust ports. The cylinder also has a supplemental

more »

... dis· charging under the shifting valve, so that when the pis· ton reaches its uppermost point the air or steam will pass down under the shifting valve and shift it to an exhaust position.