Patent GB-471868-A (GB)
Title: Improvements in or relating to stationery feed mechanism for imprinting machines
IPC: B41L47/24
Filed: 1936-03-11
Abstract: 471,868. Addressing machines; feeding webs. SHERMAN, J. Q., and STANDARD REGISTER CO. March 11, 1936, No. 7383. [Classes 100 (i) and 100 (ii)] Means for feeding and registering a listing strip is detachably mounted on an addressing or like seriesprinting machine, and can be placed in different positions so as to feed the listing strip in different directions. The feeding and registering means may comprise pin-wheels which co-operate with marginal perforations in the listing strip and are laterally adjustable to engage listing strips of different widths. The machine shown in Figs. 1 and 2 comprises a table 1, a platen 2 secured to a rock-shaft 3, and a magazine 17 for printing- plates or stencils. A multiple strip 21, supplied in the form of a pack 22 or a roll, is fed over the table by means of a feed-roller 20 provided with pins 32 for engaging holes 24 in the strip. The shaft 30 of the feed-roller is provided with a fast disc 57 carrying a pawl 61 which co-operates with a loose ratchet-wheel, a pinion 59 integral therewith co-operating with a rack 63 in connection with a bell -crank 54. To permit of feed-adjustment, the rack is connected to a slide 65 which is adjustable on the bell-crank by means of a screw 66 provided with a crank 67. The shaft 30 is journalled in brackets 31 detachably connected to hangers 69 provided at the front and side of the table so that the feed-roller can be mounted at the front or side to feed the strip forwardly or laterally over the table. When the feed-roller is mounted at the front it is driven from a cross-shaft 45 which is connected by a pin 47 and fork 46 to the shaft 3 and is provided with an arm 49 connected by a swivel 51 and link 52 to a swivel 53 on the bell-crank 54. A retractable pin 81 connects the switch 53 to the link 52. When the feedroller is mounted at the side, the bell-crank is connected by means of the pin 81 to a link and swivel on an arm on a shaft 3a provided with a fork 46a engaging a pin 47a on the shaft 45. A solid feed-roller with rigid pins may be employed, but preferably the feed-roller is of cage-form and comprises discs 26, 29 provided with pins 32 which are automatically projected and retracted in the manner described in Specification 408,125. Either or both of the discs can be laterally adjusted to engage strips of different widths. The strip is held in engagement with the pins by means of slotted guides 75 each carried by an arm 73 which is hinged to a support 71 and is provided with a roller 74 for engaging the associated disc. The supports 71 are laterally adjustable on a bar 70. The feed-roller 20 may be replaced by sprocketchains provided with pins, or by a pair of rollers, of which the lower roller has a cam for periodically releasing the upper roller, and a pin for co-operating with the strip-perforations when the upper roller is released. Alternatively, a pair of discs may co-operate with a roller to feed a strip having perforations at form-length intervals, feed being stopped when the perforations reach discs, and being restarted by means of broad lugs on the discs.