Compressed air . a pressure fluid to said cylinder on one side ofthe piston for closing said valve, and anelastic-fluid supply connected with said cyl-inder on the other side of said piston and ex-erting a constant tendency to open the valve,substantially as herein described. COAL-CUTTING MACHINE. Ar-thur H. GiBSOX. Easton, Pa., assignor toIngersoll-Rand Company, New York, , a Corporation of New Jersey. FiledNov. 15, 1905. Serial No. 287, Claim.—I. In an air-presser-driven coal-cut-ting machine, a work-cylinder, its piston, air-passages leading to the front and rear of thecyl
Compressed air . a pressure fluid to said cylinder on one side ofthe piston for closing said valve, and anelastic-fluid supply connected with said cyl-inder on the other side of said piston and ex-erting a constant tendency to open the valve,substantially as herein described. COAL-CUTTING MACHINE. Ar-thur H. GiBSOX. Easton, Pa., assignor toIngersoll-Rand Company, New York, , a Corporation of New Jersey. FiledNov. 15, 1905. Serial No. 287, Claim.—I. In an air-presser-driven coal-cut-ting machine, a work-cylinder, its piston, air-passages leading to the front and rear of thecylinder and a governor controlled by themovement of the piston for reducing thestroke of the said piston. 818,649. PNEUMATIC COLOR-APPLY-ING APPARATUS. Felix Wolf. NewYork. N. Y. Filed Jan. 30, 1906. SerialNo. ROCK-DRILL. Arthur H. , Pa., assignor to the Ingersoll-Sergeant Drill Compan. New York. , a Corporation of West Virginia. Filed.\ug. 26, 1905. Serial No. —I. .\ rock-drill piston having atail-rod, a cylinder having a tail-rod chamber,and pipes for feeding the motive fluid to theopposite sides of the piston, said cylinder hav-ing a passage from one of the motive-fluid pipes to the tail-rod chamber. COMPRESSED AIR. 4095
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectcompres, bookyear1896
