Patent GB-349618-A (GB)
Abstract: 349,618. Cash registers &c. NATIONAL CASH REGISTER CO., Dayton, Ohio, U.S.A.-(Assignees of Shipley, B. M.; 2021, Catalpa Drive, Dayton, Ohio, U.S.A.) March 1, 1930, No. 6822. Convention date, March 2, 1929. [Classes 100 (ii) and 100 (iv).] Type-wheel machines; number-printing apparatus; web feeding and guiding arrangements; ink-ribbon mechanism.-A cash register or like machine comprises amount, transaction, and consecutive-number type-wheels, a detachable frame supporting a hammer and detail-web mechanism, and a second detachable frame supporting ink-ribbon mechanism. In the arrangement shown in Figs. 3, 5, and 9, amount and transaction type-wheels 100 and numbering-wheels 102 are mounted on a sleeve 97 secured to a detachable hanger 94. The typewheels 100 engage pinions 99 mounted on a rod 92 on the frame 94 and provided with pinions 91 engaging racks 90 on links 75 connected to segments 74 which are set differentially by the keymechanism described in Specification 346,465, [Group XIX]. The links are detachably mounted on pins 86 on the segments and have ears 88 engaging flanged retaining-studs 87. The links have guide-fingers 89 passing between the segments. The numbering-wheels have pinions 120, Fig. 9, gearing with pinions 119 mounted on a sleeve 112 on the rod 92 and provided with ratchet-wheels 118 co-operating with a tined pawl 116 on a rocker 111 operated by a fork 103 on the key coupler. The ratchet-wheels co-operate also with detents. The numbering-wheels are zeroized by turning a knob carried by a shaft 96 which passes through the sleeve 97 and is geared to the sleeve 112, shoulders 132 on the sleeve 112 co-operating with pawls 133 on the pinions 119. Ink-ribbon spools 203, 204, Fig. 3, are mounted in a detachable frame 205 having headed studs 220, 221 received by inclined slots in partition of the machine. The frame 205 consists of separable sides, one side having pins 207, 208 entering tubes on the other side. A pivoted catch on one side engages a groove in the projecting end of a pin on the other side. The spools may be associated with the automatic feedreversal mechanism described in Specification 349,619. A detachable frame consisting of sides 155, 156, connected by rods 157, 158 and an autograph plate 159, supports a hammer 165, feed and delivery rollers 199, 190 for a web, and rollers 192, 195, 196, 198 for guiding the web. The frame carries also a bell crank 194 having rollers 193, 197 for displacing the web to bring the last entry into view. The sides 155, 156 have slots 224 engaging the stud 221 and a stud 226, Fig. 5, on the hanger 94, and the side 156 has a curved edge 228 engaging grooved studs 229, 230, and a shoulder 227 resting on the stud 227. A latch 232 co-operates with a pin on the side 156 to retain the frame 155, 156 and the frame 205. Hammer-impression arrangements.-The hammer is struck by a floating driver which is retracted and automatically released on operation of the keys, and is associated with an independent impelling- member. The hammer 165, Figs. 3 and 5, is carried by a yoke 163 which is pivoted on the rod 157 of the frame 155, 156. An arm 186 on the yoke co-operates with a floating driver 167 having a slot 169 engaging a rod 85. The driver is held in contact with a stop 185 by means of a stud 180 which is carried by a rocking arm 181 and abuts on a finger 182 on a rocking arm or impelling- member 183 connected to a spring 184. A latch 168 on the driver co-operates with a stud 171 on a bell crank 142 operated by a hooked arm 151 on the key-coupler shaft 54. On depression of the keys, the driver and the arms 181, 183 are depressed, the spring 184 is tensioned, and when the stud 171 rides off the latch, the driver is sharply returned. When the driver strikes the stop 185, the driver rocks about the stop and the upper part strikes the arm 186 and thereby operates the hammer. The hammer is returned immediately by a spring. On release of the keys, the driver and associated parts return to the normal position. Aligning for impression.-The pinions 99, Fig. 3, co-operate with an aligning-comb 135 carried by a bail 136 having a pin 139 engaging a cam-slot 141 in the bell-crank 142.