Note : Les revendications sont présentées dans la langue officielle dans laquelle elles ont été soumises.
Claim lst In a ball turning lathe, the combination, with a leather-covered face-plate, of a stretcher for stretching the leather cover on the face-plate, substantially as set forth. 2nd. In a ball turning lathe, a face-plate consisting of a disc adapted to be screwed to the lathe-spindle, a leather covering secured to the rim of said disc, a disc of rubber or other elastic material placed at the back of said leather cover, and a stretcher acting against the rear face of the rub-ber backing to force it against.the leather, substantially as and for the purpose set forth. 3rd In a ball turning lathe, the combination, with a metallic disc adapted to be screwed to the spindle of the lathe, of a leather cover secured to the rim of said metallic disc, a disc of rubber or other elastic material used as a backing at the rear of said leather cover, a disc placed between the metallic disc and said elastic disc, and set-screws screwing in the metallic disc against the disc, placed between the metallic disc and elastic disc so as to stretch or slacken the leather cover, substantially as shown and described. 4th. In a ball turning lathe, the combination, with a leather-covered face¬plate, of a leather wheel held in contact with the said face-plate and rotated by the latter, a second leather wheel having a -concave rim and held on the same spindle as said wheel in contact with the face-plate, a cup-holder and a cup supported at the upper end of said cup-holder and having a cutting edge, substantially as shown and described. 5th In a ball turning lathe, the combination, with leather covered face-plate, of a leather wheel held in contact with said face¬plate and rotated by the latter, a leather wheel having a concave surface and held on the same spindle as said wheel in contact with the face-plate, a cup-holder, a cup held at the upper end of said holder, and a cutting tool held in said cup and projecting with its cutting edge slightly above said cup, substantially as shown and described. 6th In a ball turning lathe, the combination, with a cup-holder, of a cup held at the upper end of said holder, a nut screwing on said holder, and a cutting tool held in the recess in said holder and passing through a slot in said cup, and also being moved up and down by said nut screwing on said holder,substantially as shown and described. 7th In a ball turning lathe, the combination, with a cup-holder, of a cup held at the upper end of said holder, a nut screwing on said holder, and a cutting tool held in a recess in said holder and passing through a slot in said cup, and also being moved up and down by said nut screwing on said holder, and means for fastening said tool in place on said cup, as set forth. 8th In a ball turning lathe, the combination, with a leather covered face-plate, of a wheel held in frictional contact with said face-plate, a spindle carrying said wheel, a holder in which said spindle rotates, and means, substantially as described, for raising and lowering said spindle, as set forth. 9th. In a ball turning lathe, the combination, with a leather covered face-plate, of a wheel held in frictional contact with said face-plate, a spindle carrying said wheel, a spindle-holder in which said spindle rotates, a screw-rod secured to said spindle-holder, and a horizontally adjustable carriage in which screws said screw-rod, substantially as shown and described 10th In a ball turning lathe, a standard, a lathe spindle supported in a bearing on said standard, and a leather covered face-plate held on said lathe spindle, in combination with a wheel held in frictional contact with the face of said face-plate, a spindle carrying said wheel, a holder in which said spindle turns, a screw-rod extending from said holder, a carriage in which said screw-rods screws, and an arm held adjustably on said standard and supporting said carriage, substantially as shown and described. 11th In a ball turning lathe, a standard, a spindle supported in a bear¬ing on said standard, and a leather covered face-plate held on said lathe spindle, in combination with a wheel held in frictional contact with the face of said face-plate, a spindle carrying said wheel, a holder in which said spindle turns, a screw-rod extending from said holder, a carriage in which said screw-rod screws, an arm held adjustably on said standard and supporting said carriage, and means, substantially as described, for moving said carriage for¬ward and backward on said arm, as set forth. 12th In a ball turning lathe, a standard, a lathe-spindle supported in a bearing on said stan¬dard, and a leather covered face-plate held on said lathe-spindle, in combination with a wheel held in frictional contact with the face of said face-plate, a spindle carrying said wheel, a holder in which said spindle turns, a screw-rod extending from said holder, a carriage in which said screw-rod screws, an arm held adjustably on said standard and supporting said carriage, a screw-rod screwing in said carriage and held in suitable bearings on said arm, and a wheel fastened on said screw-rod for turning the same, substantially as shown and de-scribed. 13th In a ball turning lathe, a base, a standard supported on said base, a bearing formed on said standard, a lathe-spindle held in said bearing in an angular position, and a leather covered face-plate held on said spindle, in combination with a wheel held in frictional contact with the face of said face-plate, a spindle supporting said wheel, a leather wheel held on said spindle and having a concave rim, a vertically adjustable holder supporting said spindle, a carriage supporting said holder and having a sidewise motion, an arm supporting said carriage and held adjustably on said standard, a cup-holder held in forks secured to said arm, cups held on the upper end of said holder, and means, substantially as described, for raising said wheel and moving it sidewise, as set forth. 14th In a ball turning lathe, the combination of a cushioned leather covered face-plate, and a spindle carrying the said face-plate, and the ball to be turned with a. pair of tongs having steel cups, substantially as shown and described
