Compressed air . Claim.—I. The combination, with a power-cylinder having a closed rear end. of an oscil-latory hand-operated sleeve encircling the front COMPRESSED AIR. 409 end portion of the said cylinder, means forpreventing the said sleeve from moving long-itudinally, a supply-valve arranged at the rearend of the said cylinder, and a rod connectionbetween the said sleeve and supply-valve. 2. Ihe combination, with a power-cylinderhaving a closed rear end, of an oscillatoryhand-operated sleeve encircling the front endportion of the said cylinder and provided forcontrolling the supply of press
Compressed air . Claim.—I. The combination, with a power-cylinder having a closed rear end. of an oscil-latory hand-operated sleeve encircling the front COMPRESSED AIR. 409 end portion of the said cylinder, means forpreventing the said sleeve from moving long-itudinally, a supply-valve arranged at the rearend of the said cylinder, and a rod connectionbetween the said sleeve and supply-valve. 2. Ihe combination, with a power-cylinderhaving a closed rear end, of an oscillatoryhand-operated sleeve encircling the front endportion of the said cylinder and provided forcontrolling the supply of pressure fluid, atoothed pinion gearing into the said rack, anda rod connection between the said plug-valveand pinion. Will-March 817,016. \TIC DeSP.\TCHIXG TuBE SYS-TEM. Joseph J. Staetzel, Chicago, 111., as-signor to Universal Pneumatic Transmis-sion Company of Maine. Filed Nov. 20,1905. Serial No. Chiiin.—i. In a pneumatic-despatch-tube sys-tem, the combination of a normally closedtransit-tube through which carriers are trans-mitted, a sending-station arranged to permit acarried to be inserted into the tube, means forexhausting air from the tube, and a valveadapted to admit air into the tube for drivmgcarriers, said valve being adapted to n-nthrough a fluctuation of the pressure wuhmsaid tube, means normally urging the closmgof said valve, and means for timing the closmgof said valve. 817,296. Tlbllar Rock-Boring Drill. iam Besson, Duluth, Minn. Filed 31, 1905. Serial No. 253,—I. In a drill, the combination of atubular drill rod, a reservoir fonned on andaround said rod at its lower end, a tubular drillpoint secured to the lower end of said rod,and having passages formed therein connect-ing the central passage of said drill point withsaid reservoir. \.\cuLM Soldering Machine. Hoi-ton Eachus, Chicago, 111., assignor to Fair-bank Canning Company. Chicago,
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectcompres, bookyear1896
