27,908. National Cash Register Co., [National Cash Register Co.]. Dec. 17. Right to Patent relinquished. Receipts, checking and recording. - Cash registers of the type described in Specification No. 5729, A.D. 1895, are provided with means by which a single printing- device with but one set of types will print both a check and a detail or record strip by a double action of the platen during a single operation of the machine. A cam 9, mounted upon a shaft 11 so as to be given one complete revolution during every operation of the machine, depresses simultaneously, by means of a projection 8, a pivoted lever 7 carrying the platen 4, and, by means of a projection 13, a pivoted lever 14 carrying a segmental rack 15 and a projection 16, but releases the levers 7, 14 successively. The depression of the lever 14 causes, through the rack and pinion 15, 16<a>, the rotation of a cam 17 and a feed-disc 18, thereby allowing a feed-roller 21 mounted on a pivoted lever 23 to descend and engage the feed-disc 18 and a check 30, which has been inserted through the front of the machine as far as a stop 20 will permit. The further rotation of the feed-discs 18, 21 draws in the check 30 until its end is between the platen 4 and the printing-wheels 3, the latter being operated in the usual manner from the keys 2 through segmental racks 3<a> and pinions 3<b> secured upon the ends of a nest of sleeves 3<c>. The platen-carrying lever 7 is then released by its cam, and the platen strikes, during a momentary stoppage of the check, against the underside of the paper recording-tape 5, and fcrces the superposed check and inking- ribbon against the printing-wheels 3. Immediately thereafter, the release of the lever 14 by its cam causes the feed-discs to revolve and eject the check through the slot in the casing, while the projection 16 forces the platen again upwards against the underside of the record tape 5, upon which the impression is now made. A spring stud 12, striking a stationary portion of the machine, causes the platen 4 to rebound from the printing-wheels 3 after making its stroke, and the upward movement of the lever 14 causes the cam 17 to raise the feeddisc 21 so as to leave a space for the insertion of the next check. The endless inking-ribbon 6 is held taut by a tightening guide and roller 25, and the tape 5 and the inking-ribbon 6 are fed by pawls 37 and gearing 35, 34, 33 actuated by the pivot 40 of the universal bar 41, which is vibrated upwards whenever a key is operated. When it is not desired to issue checks, the making of a second impression by the platen 4 is prevented by turning the spring plunger 27 to disengage the pin 25 from the slot 29, so that the bevelled head 27<a> can snap over and hold the lever 14.