Patent GB-244601-A (GB)
Abstract: 244,601. Brewer, G., (Krupp Akt.-Ges., F.). Jan. 19, 1925. Cash registers with several item-value totalizers; printing totals and sub-totals.-A machine for facilitating the keeping of customers' accounts is provided with a main (add-and-subtract) totalizer, an auxiliary add-and-subtract totalizer, and a number of transaction and account totali. zers. In each of the series of operations necessitated by a change in the account, one only of a bank of operation keys need be depressed to release the machine and automatic controls effect the engagement with the actuators, of the main and auxiliary totalizers and the transaction totalizer corresponding with the operation being performed. By depression of other keys the items may also be entered in the auxiliary and account totalizers. Totals may be taken from the latter totalizers by depressing a key in another bank in addition to the key pertaining to the totalizer in question. Keyboard and general arrangement. The machine described has nine banks of amount keys 10, Fig. 1, two banks 11, 12 of operation keys and three banks 13 of account totalizer selecting keys. Operation counters 15, 16 and account-number printing keys 17 are also provided, the latter being arranged on the printing cabinet. Be. hind the keyboard on the left are the amount differential mechanism and the groups of totalizers while on the right are housed the differential mechanism and control devices connected with the special or control banks. Arrangement of totalizers. The totalizers arranged in denominational groups consist of three superposed lines of nine totalizers in each, N1, N2, N3, Fig. 2, a line S containing six transaction totalizers, an auxiliary add-and-subtract totalizer HR and a main add-andsubtract totalizer R. The totalizers are selected by moving internal riders axially so as to connect the desired pinions with common gear wheels in train through floating pinions with the differential actuating rods 80. Selective control of the totalizers. The axles 161, Fig. 2, carrying the riders referred to above are connected to shafts 271, Fig. 4, to which are secured drums 272 having helically disposed steps 281 and engaged slidingly but non-rotatably by shafts 273 controlled by the differential mechanism of the operation &c. banks through pinions 277. By the depression of, say, an operation key 11 the differential rotation of the corresponding shaft 273 turns the co-operating drum 272 to place one of the steps 281 in the path of a finger 295, Figs. 7 and 13, adapted to be reciprocated by an arm 290 fixed to a spindle 294 geared with a shaft 289 rocked by the machine subject to a further control to be subsequently described. Thus the reciprocation of the finger causes a differential movement of the stepped drum 272 and consequently the selective positioning of the riders within their groups of totalizer pinions. Selective conditioning of the auxiliary and main totalizers. These are put into adding or subtracting condition by a similar positioning of the riders carried by the shafts 224, 224<1> but in these instances there are duplex controls to provide for total disablement of the totalizers even when put into adding or subtracting conditions. For this purpose the endwise shifting of the rider axles 224, 224<1> is effected by the finger 295 through steps 309, 310 (Fig. 15) carried by shaft 311 (311') and also through stop members mounted rigidly upon a sleeve 318 (318') rotatable on shaft 311. This shaft is rotatably adjusted by connection through linkage 312, 315 with a slide 316 (Fig. 24) reciprocated at every operation by an arm 387 through a spring 389 and obstructed or not by a cut-away disc 406 fixed on a shaft 274. Similarly the sleeve 318 is connected with a slide 322 (Fig. 18) controlled by another cut-away disc 405 on shaft 274 and the arrangement is such that the form and rotative situation of this disc determine through the sleeve whether the action of the finger 295 shall be effective or non-effective, irrespective of the conditioning for addition or subtraction by the shaft 311. Controlling actuation of totalizers. The finger 295 in the case of the auxiliary totalizer is reciprocated by arm 298 (Fig. 7) from shaft 289 as with the transaction &c. totalizers. The movement of the finger for the main totalizer is however, derived independently from a shaft 304. The rocking movements of these shafts determine finally whether the totalizers shall be thrown into operative condition or not, no matter how the above described devices are positioned, and moreover the movements are further controlled to effect the necessary timed relationship in accordance with the nature of the operation to be performed. With these objects in view. there are three cam discs 331, 332, 333 (Figs. 4 and 21) provided on a shaft 330 driven from the main shaft. These discs are operative to drive shafts 289, 304 in timed relationship with the movements of the differential actuating mechanism so as to effect total-taking, sub-total taking and amountentering respectively. Referring to Fig. 21, for example, the shaft 289 is connected with a link 354 having a recess 355 to engage a pin on an arm 344 rocked by cam 333 through pitman 339. The link is displaceable about its upper pivot to connect it to or disconnect it from the arm 344 by means of a slide 368 reciprocated by arm 307 and interposed spring 389 unless obstructed by gapped discs on shafts 274, 370. There are six of these slides, three for controlling shaft 289 and three for controlling shaft 304 and each co-operates with gapped discs arranged on the shafts 274, 370. Shaft 274 is rotarily set by the differential mechanism of the operation bank 11. and shaft 370 by that of the bank 12 (keys ZS, ES). Three of the slides have extended lugs to co-operate with yoked discs on shaft 274 so that by depression of the listing key (N) these discs are moved to prevent the displacement of the slides and thus the actuation of all totalizers except the main totalizer. Special control of the main and auxiliary totalizers. The riders of these totalizers may occupy one of three positions namely inactive, adding, and subtracting, under the control of shaft 274 on which are mounted three gapped discs 405, 406, 408 (Fig. 4). These discs provide obstruction to or permit the reciprocation of the slides 316, 316<1>, 322, 322<1> as described above to position the shafts 311, 311' and the sleeves 318. 318<1> in accordance with the desired conditions. The slides are connected by pin and slot with a shaft 436, Fig. 7, so that when a slide is allowed to advance to condition one of the totalizers for subtraction or negative-total taking a roll 440 is able to enter a cam groove in a machine-driven disc 443 to set and retain a minus type in printing position. Functions performed by the various control keys. (1) To enter an amount (present state of the account) the +B or -B key is depressed, according as the amount is a credit or a debit, and this starts the machine and causes actuation of the main totalizer and also of the +B or -B transaction totalizer. If an account key 13 had been depressed the corresponding totalizer would also be rendered active. The auxiliary totalizer is not and cannot be affected even if its particular key HR was depressed. (2) To add or subtract an item the Zu key or the Ab key is depressed to start the motor and effect actuation of the main totalizer, the corresponding transaction totalizer, and if desired the account totalizer. If key HR has also been depressed the item would be entered in the auxiliarv totalizer which keeps an algebraic total of all sums received and disbursed. (3) To take the total, that is the new state of the account, the -b or +b key is used and this results in the transmission of the total to the printing mechanism and to the +b or -b transaction totalizer. No action of the auxiliary totalizer is possible in this operation. (3) To take a sub-total from the main totalizer, the RZ key is depressed. (4) The key HR prepares for activity of the auxiliary totalizer and is not released automatically at the end of an operation as are the other keys, but is released by depression of key L marked 8. (5) To take a total from a transaction totalizer, an account totalizer, or the auxiliary totalizer, one of the keys ZS, ES must be used preliminarily in addition to the key of the totalizer in Question the latter key then acting as a release key. (6) To list only, key N is used and this ensures disablement of all totalizers except the main totalizer.