Patent GB-1303047-A (GB)
IPC: G06C15/04
Filed: 1969-12-23
Abstract: 1303047 Timed totalizer selection SVENSKA DATAREGISTER AB 23 Dec 1969 [23 Dec 1968] 56599/69 Heading G4B  At least one totalizer 54 mounted on a shaft is moved into engagement with actuators 101 in a business machine such as a cash register, during different points of time of a machine cycle. Control is effected by means of pattern of teeth 16 (a-i), 18 (a-d), 20 (a-f) and 22 (a-d) mounted on reciprocatable program slides 16, 18, 20, 22. A lock 132 is mounted on the machine keyboard and operates a rack bar 122 and detent 140 for longitudinal and simultaneous positioning of the four program slides 16, 18, 20, 22 mounted on respective coupling plates 2, 4, 6, 8. Reading, zeroizing or accumulation operations on either of two departmental totalizers 54, 56 are selected by clockwise, anticlockwise or central positioning of a key 136. The zeroizing and accumulating actions of racks 101 occur after the movements to the left of coupling slides 80, 78 respectively; each slide raises the selected totalizer and an item totalizer 50 for engagement with the racks 101 at the appropriate time of the machine cycle. Accumulation.-In the Figure the program slides 16, 18, 20, 22 are shown in their central positions. Depression of a transaction key 34 to instigate raising of, and then accumulattion into, totalizers 50, 54 begins the rotation through 360‹ of the main shaft 90 and four attached cams 114, 106, 96 and 88. A cam follower 110 pivots to raise a bar 108 and allow coupling plates 6 and 8 to be raised by springs 36, the coupling plates 2, 4 remaining in a lower posi-  tion by the co-operation of teeth 16h, 18d with the transaction key stem 34a. Coupling slides 102, 80 are then successively moved to the left by the cams 106, 96, accompanied by non- operative zeroizing action of racks 101. Slide 78 is then moved to the left so that abutments 78a, 78b rotate respective coupling links 40, 42 that are pivotally mounted, one on each of the lower positioned coupling plates 2, 4. The coupling links 40, 42 move bars 48, 52, arms 76, rods 68, 74 and cams 66, 72 to raise pairs of plates 62, 70 and their attached totalizer support shafts 60, 58. The totalizer shaft 58 is laterally shifted, by mechanism not disclosed, to align the totalizer 54 with the racks 101. The accumulation movement of racks 101 thereupon indexes an amount set up on a keyboard (not shown) into totalizers 50, 54. On the return movement of slide 102, abutments 102a, 102b co-operate with the rods 48, 52 to lower the totalizer shafts 60, 58. Coupling slides 80, 78 and coupling plates 6, 8 are finally returned to their original positions by the cams 96, 88 and 114. Depression of a transaction key 32 to instigate raising of and then accumulating into totalizers 50, 56 produces a similar operation, accompanied by lateral shifting of the totalizer shaft 58 to align the totalizer 56 with the racks 101. Total.-A total can be obtained from the item totalizer 50 by depression of a transaction key 30, which initiates a machine cycle. The key stem 30a co-operates with one of the teeth 20 (a-f) on the program slide 20 to hold only the coupling slide 6 and a pivotally attached coupling link 44 in a lower position. On movement to the left of slide 80, thelink 44 is rotated by an abutment 80a to raise the totalizer shaft 60 and so allow zeroizing of the totalizer 50. The shaft 60 is then lowered by the slide 78 (which reciprocates twice during each machine cycle) before the racks 101 begin their accumulating action. Subtotal.-A subtotal is obtained from the item totalizer 50 by depression of a transaction key 28, the program slide teeth being positioned with respect to the transaction key shaft 28a so as to hold down the coupling plates 2, 6. The totalizer 50 is thereupon raised by each of the coupling slides 80, 78 to undergo zeroizing followed by accumulation during the machine cycle.  Reading.-When the key 136 is set for reading of the totalizer 54 (or 56) the upstanding teeth of the program slides 16, 18, 20, 22 are so positioned with respect to the key stem 34a (or 32a) that the selected totalizer 54 (or 56) is raised by slide 80 to be zeroized, and the totalizers 50 and 54 (or 56) are then raised by slide 78 for accumulation. Zeroizieg.-The selected totalizer 54 (or 56) is raised by slide 80 for zeroizing, and the totalizer 50 by slide 78 for accumulation, by a similar operation.  A number of totalizer shafts with a corresponding number of pairs of coupling plates, and more than four transaction keys, may be included in the machine.