Compressed air . id conduit, and means for open-ing and closing the same to admit a limited quantityof air, and means for subsequently opening the valvefor blowing purposes, for the purpose described. 822,223. AUTO^r.\TIC COXTROLLER FOR PRES-SURE SYSTEMS. Waltkr J. Richaros, Mil-waukee, Wis. Original application filed March 9,1904. Serial Xo. 197,317. Divided and this ap-plication filed April 6, 1905. Serial No. 254,256. «22,367. PXEUMATIC DRILL. Adelbert P. Hans-coM, Maiden, Mass. Filed .\ug. 27, 1903. .SerialNo. 170,893. Claim.—.\ tool-piston liaving a front rod and a tail-rod, a cylinder ha
Compressed air . id conduit, and means for open-ing and closing the same to admit a limited quantityof air, and means for subsequently opening the valvefor blowing purposes, for the purpose described. 822,223. AUTO^r.\TIC COXTROLLER FOR PRES-SURE SYSTEMS. Waltkr J. Richaros, Mil-waukee, Wis. Original application filed March 9,1904. Serial Xo. 197,317. Divided and this ap-plication filed April 6, 1905. Serial No. 254,256. «22,367. PXEUMATIC DRILL. Adelbert P. Hans-coM, Maiden, Mass. Filed .\ug. 27, 1903. .SerialNo. 170,893. Claim.—.\ tool-piston liaving a front rod and a tail-rod, a cylinder having a tail-rod chamber, pipes forfeeding rnotive fluid alternately to the opposite sidesof the piston and a single means for bringing thetail-rod chamber into open communication with oneof said pipes or the atmosphere at pleasure. 822,597. CHANXELING-MACHINE. .\rthur , Easton, Pa., assignor to Ingersoll-RandCompany, Xew York, X. Y., a Corporation ofXew Jersey. Filed Feb. 14, 1906. Serial No. 301, Claim.— .\ tool-cylinder having piston-chamberstherein, a piston having heads in said chambers, air-feetiing tubes, said cylinder having front and backports for the two chambers ciuniminicatiiiK with theirrespective tubes, and an auxiliary back nort for tmcchamber comnninicating with the tube other than theone with which the other hack port communicates ancia valve for opening and closing said auxiliary backport. 822,645. Waltkr R. Hex^iamin, GraniteCity, 111. Iiled .\ug. 24, 1905, .Serial No. 275,582. 822,689. AIR-COMPRESSOR. Bryan Obeab, , Mo., assignor to Montague Compressed .\irCompany of Missouri, St. Louis, Mo., a Corpora- 4170 COMPRESSED AIR. tion of Missouri. Filed 28, 1904. Serial No.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectcompres, bookyear1896
