Patent GB-353662-A (GB)
Abstract: 353,662. Cash registers and calculating-machines. KRUPP AKT.-GES., F., Essen, Germany. July 7, 1930, No. 20508. Convention date, July 11, 1929. [Class 106 (i).] Printing totals ; adapted for multiple-item transactions.-The control as to the functioning of various parts of the machine, according as an item is to be entered or a total taken, is dependent upon whether amount keys are set. If the machine is operated with no amount key depressed totaltaking automatically ensues. If a special (multipleitem) key only is depressed a multiple-item total is taken but if this key and an amount key are both depressed the machine is conditioned for accumulating the items of a multiple-item transaction. Differential mechanism. In each bank the differential actuator 27, Fig. 1, is connected by a bifurcated bar 50 with a supplementary sector 36 and the bar is linked at 31 with the crank arm 32 of an operating shaft 33. When an amount key is depressed and the machine operated, the actuator and the sector both rotate but in opposite senses until stopped by abutting at 28, 37 against the key stem. Total-taking. The setting of the total-lever for this operation slides a two-armed lever 42, 43 along a shaft 41 so as to obstruct the sector 36, and allow the actuators to rotate until the transfer teeth 45 strike the companion pawls 46, Fig. 2. These pawls are brought into juxtaposition to the totalizer wheels by a cam 59, which in the position shown raises a link 54 to rock a plate 53 and thus place the various pawls within reach of the long teeth on the totalizer pinions. As the actuator 27 makes its movement the totalizer pinion engaged with it rotates backwardly until the long tooth engages and rocks the pawl 46 whereupon a lever 62 is displaced clockwise to rock shaft 41 and throw the arm 43 into locking engagement with the actuator. If an amount key is set, the consequent depression of detent plate 74, Fig. 1, rocks a shaft 69 and so, through a link 67, Fig. 2, throws the link 54 to the right to uncouple it from its driving lever 57. The pawls 46 are therefore not rendered operative and the operation becomes an item-entering one. Multiple-item transactions. For multiple-item transactions, the engagement of the item totalizer 21 is prepared by depression of a key Sa, Fig. 4. This raises a link 99 to shift a link 95 to the left to bring a lug 105 below a stud 104 on a link 83 reciprocated at each operation of the machine by a lever 86 and cam 91. If an amount key is also depressed the rocking of shaft 69 swings the link 83 to the right to throw the stud 104 out of alignment with the lug 105 so that when the link 83 is reciprocated, the link 95 is not moved. If either key alone is set however, the lug and stud engage and the link is operated and rocks a shaft 92 which controls the various auxiliary mechanisms of the machine as detailed later. Thus for entering the items of a composite transaction, the key Sa is set and remains depressed while the depression of amount keys prevents the rocking of shaft 92 and the functioning of the auxiliary mechanisms. To take the multiple-item transaction total, the machine is operated without an amount key being set and consequently shaft 92 is rocked to effect the auxiliary movements and also, through a link 108, to release the key Sa. Indicator flash 126, Fig. 6. In ordinary operations the flash is lowered temporarily by a cam 137 acting through a lever 133 and the linkage shown, the lever being then locked by a latch 139 until shaft 92 in rocking releases the lever to allow the flash to disclose the item. If multiple items are being entered the flash remains in concealing position, being held by the latch 139, until the total-taking operation. Item counters. The clerks' item counters 112, Fig. 5, are operated by the reciprocation of an arcuate rack 117 linked at 122 with the shaft 92. The particular counter to be operated is selected by the differentially movable sector 119 which carries a wide pinion 121 to couple the rack with the counter actuating sector 115. Drawer release. The releasing rod 152, Fig. 7, is raised to release the selected drawer, by a link 148 pin-and-notch connected at 146 with an arm 145 adapted to be rocked by a lug 143 on the shaft 92. To permit the drawer release when the " no sale " key is depressed, this key raises the left-hand end of the link 148 to couple it with another pin 159 rocked at every operation of the machine.