Patent GB-190312981-A (GB)
Title: Improvements in Cash Registers and in the Printing and Locking Devices therefor.
Filed: 1903-06-09
Granted: 1903-12-31
Abstract: 12,981. National Cash Register Co., [National Cash Register Co.]. June 9. Receipts, checking and recording.-Cash registers of the type described in Specifications No. 18,079, A.D. 1892, and No. 9400, A.D. 1897, or of other types, are provided with means whereby transactions are identified with patrons, customers, or departments, wherdby one or more amount keys must be manipulated in connection with the transactions known as paid out, received on account, and charge, with a printing-device constructed to give a uniform pressure upon all the types embraced therein, and with locking-devices therefor. Fig. 1 shows a machine without its cabinet and cash drawer in end elevation, and Fig. 3 shows, in transverse section, one form of locking device for the machine. To print, upon both the detail strip and check, any desired number to identify the sale or transaction, the added printing - segments are journalled upon the outermost nested sleeve 8 in proximity to the regular printing-segments. The setting of these added segments is accomplished by the setting-levers 7, which are connected by rectangular frames nested so that they may pass each other to secure a reversal in the arrangement of the type segments. Each type segment is locked by a pivoted locking-pawl 58 engaging its locking-segment 57 when the frame 60 is rocked forward by the cam 70 and the arm 69, on the crank handle of the machine being operated. As the operation of the machine is completed, the frame 60 is rocked rearward to unlock the pawl 58 ; the segments 57 and the setting levers are automatically returned to their normal positions. The slotted index plate 76 is hinged at 77 and is provided with a notch and stop shoulder to engage a spring pawl mounted upon the main frame. The reciprocating platen 85, mounted in the main frame and reciprocated by a box cam, is provided with auxiliary means, shown in Fig. 6, for raising the opposite end of the platen to secure a uniform pressure. This means comprises the cam 86 mounted on the shaft 39, and the lever 88 with an adjustable pressure bolt 89 engaging the lever 90 on the printer frame. The lever 90 is slotted to embrace the end of the rod 92, supported in the platen frame 85, and round which rotates the impression roller 93. During eaoh operation of the machine, two printing-impulses are given to the impression roller. The parts associated with the amount keys 11 co-operate to compel the operation of these keys with the special transacting keys before the machine is unlocked for operation. Each special key 3 carries a pin which enters a slot formed in the upper end of a lever, journalled upon a transverse rock-shaft and connected by a link to a crank arm on the rock-shaft 28. If any one of the three special keys is operated the lever 29 is moved forward, the pin 31 is disengaged from the nose 33, the lever 34 is drawn into the path of the projection 37, and the machine is locked. If one or more amount keys are pressed the lever 19 is rocked forward, makes contact with the stud 40 on the lever 34, and unlocks the machine. The operating- handle of the machine is normally locked by a regular pivoted pawl operated by a detent of the special clerk's key bank. For an ordinary cash transaction, the machine is unlocked by simply depressing one of the clerks keys 2. Various constructions may be employed to compel an operation of the amount keys in connection with a special transaction. The lever 34, instead of being thrown to its position by the operation of the lever 19, may be shifted by an arm depending from a shaft above the banks of keys ; or a pawl lock, which does not constitute the main lock of the machine under control of the initial or clerk keys, may be employed.