. The Street railway journal . d Nov. 30, 1901. Consists of a liquid or fluid lock and re-lease for the brakes and means for controlling the same; also incertain improvements in electro-magnetic clutches by which a brake-winding drum is brought into frictional engagement with a drivenaxle. Electric Brake; George C. Anthon, Medford, filed April 11, 1902. A storage battery, charged by the linecurrent, actuates the brakes ; provision also for operating the brakesdirect from the line. 750,434. Electric Brake; Perley P. Crafts, Boston, Mass. Nov. 29, 1899. A braking dev
. The Street railway journal . d Nov. 30, 1901. Consists of a liquid or fluid lock and re-lease for the brakes and means for controlling the same; also incertain improvements in electro-magnetic clutches by which a brake-winding drum is brought into frictional engagement with a drivenaxle. Electric Brake; George C. Anthon, Medford, filed April 11, 1902. A storage battery, charged by the linecurrent, actuates the brakes ; provision also for operating the brakesdirect from the line. 750,434. Electric Brake; Perley P. Crafts, Boston, Mass. Nov. 29, 1899. A braking device consisting of a magnet ope-rating the brake, a controlling-switch admitting line current to themagnet, an emergency braking device, consisting of a switch con-trolling the motor circuits and a disabling device for the latterswitch controlled by the line current. 750,458. Overhead Trolley Attachment: Charles Holyland, Sr.,Pittsburg, Pa. App. filed June 6, 1903. A trolley harp attachmentfor retaining the wheel upon the PATENT NO. 750,387 750,719. Car Fender; Emile Sprich, St. Louis, Mo. App. filedAug. 28. 1003. Consists of two horizontally-adjustable, telescopingsections and means for operating the same. 75°-733- Trolley Pole; John J. Tartt, Los Angeles, Cal. March 30, 1903. The trolley harp is mounted upon an armwhich is pivotally connected to the body of the trolley pole nearthe wire, and given an upward spring pressure. UNITED STATES PATENTS ISSUED FEB. 2, 1904 750,818. Trolley Harp or Fork; Fred. P. Crockett and Osro , Kalamazoo, Mich. App. filed April 4, 1903. Those partscontacting with the wheel are massive, so that they will not bequickly consumed by wear. • 750,825. Automatic Trolley Line Reel; Charles F. Davy, Mo-hawk, N. Y. App. filed March 19, 1903. A spring drum andratchet controlling the trolley cord. 750,852. Pneumatic Roadbed Cleaner; Eli S. Hart, Chicago, filed April 2, 1902. Consists of the combination of a movablecar, a
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
