Patent GB-190404302-A (GB)
Title: Improvements relating to Cash Registers and Tills.
Filed: 1904-02-20
Granted: 1904-12-31
Abstract: 4302. National Cash Register Co., [National Cash Register Co.]. Feb. 20. Receipts, checking and recording. - In a cash register of the type described in Specification No. 23,920, A.D. 1896, the operating - lever is actuated by a cash drawer, means being provided for coupling any one of a number of cash-drawers to the lever. Fig. 2 shows ratchet-toothed registering-wheels 1, driven by pawls 3 on pivoted levers 4, actuated by stepped segments 6 which rise until stopped by depressed keys 7, thereby registering and setting the indicators 13. The return stroke of the segments is effected by the lever 8 upon the closing of a drawer, which also moves the platen and paper feed, the indicators remaining set. Bolts 14 on the segments move the indicator linkwork 15, 16 in one direction only, its return being prevented by pawls 19, engaging ratchetwheels 18 and keyed to a shaft 20 which has a pendent arm 23 normally resting with its locking- shoulder 24 against the pawl 25. The indicators are released upon depression of one of the clerks' drawer-keys 21, 22, provided with pins 37, 38, which rock the lever 29, Fig. 9, and cause the stop 32 on its pivoted pawl to catch the pin 33 and throw the pawl 25 down, so that the spring 27 attached to the arm 23 may take the pawl 19 out of gear with the indicator ratchets. Depression of one of the clerks' keys 21 or 22 also allows the corresponding drawer to open, unlocks a releasing-key 49, the operation of which frees an arm 55 attached to the main operating- lever 8, which can then be operated by the closing of the drawer. The pins 37, 38 or others upon the clerks' keys engage the lever 41, pivoted at 30, thereby rotating the lever 42 and lifting the hook 45, whereupon the spring 48 forces out the drawer 9. When the fixed piece 66 on the drawer meets the finger-piece 64, it swings the hook 59 out of the path of the releasing-key 49, Fig. 3, which, upon depression, forces down the arm 50, keyed to a sleeve upon which is a short arm engaging with a spring-controlled sliding- piece 51 mounted upon the piece 52, thereby swinging down this piece out of the path of the arm 55, the parts being returned by springs. A distinct stroke of the release-key is thus necessary for successive strokes of the main lever. The drawers are guided by an inverted channel bar 67 working on a fixed rail, and there is a full-stroke pawl and rack 69, 70. Each drawer operates the lever by means of a roller 74, Fig. 5, with a bevelled edge for gradual contact, mounted on a polygonal spindle carried in a bearing 72 on the drawer, and having a second roller 76 which, when the drawer is pushed in, engages with the inclined surface 78 and pulls the roller 74 inwards against the spring 73 and out of the operative position. Re-engagement of the indicator pawls 19 is effected by the link 70', Fig. 8, on a rocking frame 71<1>. This frame carries a pin 73<1> which, as the link 74<1> attached to the main lever falls, is cammed to the left by the inclined surface 79<1>, and finally passes above the shoulder 78<1>, which, as the link comes up owing to closing of the drawer, forces the pin into the slot 77<1> and rocks the frame. The link 70<1> is attached to the arm 28 on the shaft 20. Fig. 7 shows the platen-operating mechanism, which is effective upon the up-stroke of the segmental rack 97 and the opening-stroke of the drawer. The pinion 96, which is on the shaft 92, drives the sleeve 93 by means of a pawl 95 and shoulder 94, there being a cam upon the sleeve for the purpose of operating the pivoted platen-lever. The operating-plungers may be on the sliding covers of fixed drawers. There is a pivoted tumbler 80 or similar mechanism to prevent simultaneous opening of two or more drawers, and each drawer may have a bell of distinguishing tone.