Patent GB-314559-A (GB)
Title: Ticket issuing mechanism for use with apparatus delivering measured quantities
IPC: B67D7/24
Filed: 1928-03-23
Abstract: 314,559. Bell, G., and Gulliver, G. H. March 23, 1928. With printing and recording mechanism. - Ticket-issuing mechanism for certifying the character of the contents of each bag is locked until an associated delivery apparatus has been opened and closed to effect a delivery of goods, and the delivery apparatus is then locked until the ticket issuing mechanim has been operated. A double lock is employed, one element locking the ticket mechanism when its operation is completed and being unlocked by the opening of the delivery apparatus while a second element locks the ticket mechanism when the delivery apparatus is opened and unlocks it on the closing of the delivery apparatus. A crank-handle 4 on the main shaft 5 of the ticket-issuing mechanism turns through 90‹ in each direction a disc 17 integral with a hub 18 loose on a stud 19. A ratchet and pawl 8 permit unidirectional motion of the shaft 5. The ticket-strip 10 traverses a guide 12 slotted for the passage of spring-pressed pins 14 projecting radially from a disc 13 and spaced apart by a distance equal to the length of one ticket. From this ticket-forwarding disc there projects a pin 21 having spring-pressed pawls 22, 23; the pawl 22 is engaged by a ratchet disc integral with the hub 18, whereby the forward movement of the disc 13 is effected; the other pawl engages a fixed ratchet 25 and serves to hold the disc 13 during the reverse movement of the disc 17 and its associated parts. A second crank 7 on the shaft reciprocates the knife 34 and a printing die 39 co-operating with a fixed counterpart 40 adjustably secured in contact with the ticket strip. When the magazine 11 is empty, movement of the shaft 5 is prevented by the falling of a roller 33 into the slot in the guide 12, carrying with it a pawl 26 which by engaging the projection 29 stops the rotation of the disc 17. The locking mechanism includes three shafts 41, 42, 43. To the shaft 41 is fixed an arm 46 and a crank 48. A cam-surface 50 on the crank is engaged by a roller 66 on the disc 17. At about the middle of its revolution the main shaft 5 brings the roller 66 into engagement with camsurface 50. The latch 49 falls beside the shaft 42, the arm 46 is lifted from the path of the lug 47 and the shaft 42 and delivery-apparatus linkage 45, 44 are freed. At the end of the revolution of the shaft 5, one web of crank 6 snaps into a notch of the non-circular shaft 43. The opening of the delivery apparatus rock shaft 42; this is linked by a crank pin 58 and arm 59 with shaft 43 which is thus turned away from the crank-web. A forked crank 52 on the shaft 42 is however turned into engagement with the other web of crank 6 which thus remains inoperable. Another crank upon the shaft 42 lifts latch 49 over the shaft 42 permitting arm 46 to drop into locking position. As the delivery apparatus is closed the lug 47 passes the arm 46 with negligible resistance, but cannot return until the roller 66 of the ticket-issuing mechanism relifts the arm 46. The movements of the shaft 43 are controlled in one direction by a catch 61 to the pivot of which is secured the link 62 and roller 63 in contact with crank 48. The spring 51 is connected to one end of the catch which takes over a short arm 59 on the shaft 43. When released from the catch the shaft 43 turns away from the crank 6 under the action of a spring 64. In a modification, Figs. 9 and 10, the measuring apparatus is connected to the locking mechanism by a link 93 and crank 94 on a shaft 88. Ticket-issuing is effected by a lever 70 which carries a pawl 71 and rocks a shaft 72 carrying a crank having a second pawl 73. The pawl 71 operates the ticket forwarding drum 74 turning it one-quarter of a revolution, a detent holding. it stationary during the return of the lever 70 which during that movement rotates the cam 75 and through it and a roller 76 operates the ticket printing and severing mechanism (not shown). The spindle of the roller 76 projects through the rear of the frame and carries a cross-head 78 which reciprocates a slide 79. This slide 79 rocks the lever 82 thereby shifting against the action of a spring 84 a latch plate 85 which cooperates with notched discs 86, 87 on the shaft 88. A crank 89 on the shaft 88 is linked to a square locking-bar 90 which may engage any one or four notches 91 in a flange of the ticket drum 74 and lock it, but has also a notch 92 which when in register permits rotation of the drum. In the crank arms 94 is an opening to receive a locking pin (not shown) when the slide 79 is moved in that direction. Assuming the slot 92 to be in register with the flange of the ticket drum and the arm 94 to be held by the stop engaging the hole 95, the ticket mechanism is free and the goods mechanism locked. Rocking of the handle 70 forwards the ticket-strip, and the return of the handle severs and prints it. A stop 100 then comes into the path of the pins 102 preventing re-operation of the ticket mechanism. Arm 77 simultaneously shifts the crosshead 78 and slide 79, causing latch 85 to ride over the notched discs 86, 87, and withdraws the stop from opening 95 in crank 94. The goods delivery mechanism may thus be actuated and rocks the shaft 88. A roller 104 rocks crank 103 and shaft 101 and withdraws stop 100 from the path of the pins 102. But crank 89 simultaneously moves bar 90 and by placing slot 92 out of register with the flange of the ticket drum relocks the ticket mechanism. Thirdly, the rocking of shaft 88 brings the notch in disc 87 into register with latch 85 and permits, under the pull of spring 84, escape as far as the disc 86. This partly turns crank 96 and leaves the locking pin just clear of arm 94. When the delivery mechanism is to be closed, arm 94 is rocked back; the slot 92 is again brought into register with the ticket drum flange, and the notch in disc 86 into register with latch 85 which escapes and permits the slide 79 to engage its stop pin in crank 94.