Compressed air . Claim.— I. Rotary a >paratus of the class describedcomprising a plurality of directly-abutting open-endedcylinders having peripheral inlet and outlet ports: arotatable shaft through said cylinders re-spectively and provided with means to separate saidcylinders respectively; piston devices rotatable withsaid shaft; and connections intermediate the outlet-port of one cylinder and the inlet-port of the adjacentcylinoer, to operate substantiallv in the manner setforth. 819,690. CYCLE-PUMP. David K. Bryson. Pitts-burg, Pa., assignor to Bryson & Howe, Pittsburg,Pa., a F
Compressed air . Claim.— I. Rotary a >paratus of the class describedcomprising a plurality of directly-abutting open-endedcylinders having peripheral inlet and outlet ports: arotatable shaft through said cylinders re-spectively and provided with means to separate saidcylinders respectively; piston devices rotatable withsaid shaft; and connections intermediate the outlet-port of one cylinder and the inlet-port of the adjacentcylinoer, to operate substantiallv in the manner setforth. 819,690. CYCLE-PUMP. David K. Bryson. Pitts-burg, Pa., assignor to Bryson & Howe, Pittsburg,Pa., a Firm. Filed April 28, 1905. Serial ,,726. ENGINEERS EOUALIZING AND DIS-CHARGE BRAKE-VAi:\E. David M. , Ark. Filed Jan. 28, 1905. SerialNo. 243,055. ROCK-DRILL. Henry Hellman. andLewis C. Bayles, Johannesburg, Aug. 10, 1904. Serial No. 220, Claim.—I.,In a rock-drilling machine or engine, incombination, a casing, a power-cylinder therein, a capfixed at the rear end of the ))ower-cylinder, formedwith a rearward extension, a swivel arranged on saidextension and adapted to admit the motive fluidthrough said extension to the power-cylinder, a pipefor conducting the motive fluid to said swivel, packingsarranged at either side of said swivel to prevent theescape of the rnotivc fluid from between the swiveland the extension upon which it is arranged, andscrew connections leading from the outside of thecap and passing through the swivel, for moving thepower-cylinder. ROCK-DRILLING MACHINE. HenryHellman and Lewis C. Bayles, Johannesburg,Transvaal. Filed Aug. 12, 1904. Serial — I. .\ dock-drilling machine or engine, com-prising a power-cylinder, a drill or hit operatively car-ried by the cylinder, connections for imparting rotarymovements of the cylinder to the bit, and a motorcarried by and rotating s
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectcompres, bookyear1896
