Patent GB-397662-A (GB)
Title: Improvements in and relating to biling machines
IPC: B41J3/28
Filed: 1932-08-03
Abstract: 397,662. Typewriters. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.- (Elliott- Fisher Co. ; Cedar Street, Harrisburg, Pennsylvania, U.S.A.) Aug. 3, 1932, No. 21830. [Class 100 (iv).] Sheet-feeding arrangements; web-feeding arrangements ; line-spacing mechanism.-In flatplaten machines, sheets are fed on to and over the platen by means that are rendered operative by relative movement of the platen and typecarriage. The feed-mechanism may comprise an endless band and feed-rollers which are connected to driving-means operated automatically on return of the type-carriage, and are arranged at each operation to feed a bill on to the platen and discharge the previous bill, provision being made for permitting either one-line or two-line entries to be made on the bills. Means may be provided for feeding a record web in a direction inclined to the direction of feed of the bills. In the machine shown in Figs. 1 and 4, a type-carriage 4 is mounted on a line-spacing carriage 3 arranged over a platen frame 2 provided with a, narrow platen 6 which is secured to spring-urged rocking arms 7 and can be depressed by means of a pedal 17. The line-spacing carriage is provided with pinions 10 engaging short racks 9, the pinion-shaft 11 being connected to a shaft 13 operated by a line-spacing lever 12. The type-carriage is propelled by the tape 99 of a spring drum 98, and is returned by means of a motor controlled by a bail 124 having an abutment 125 for co-operating with a rocking arm 123, Fig. 13, operated by the carriagereturning key 122. When the type-carriage is returned, a bill B, Fig. 8, is fed from a hopper 51 on to the platen, the previously typed bill is discharged into a hopper 52, Fig. 1, and a record web A arranged under the bill is linespaced. The bills are supported above the platen by means of a flanged plate 53 having inclined sides leading to the hoppers. The plate is formed with an opening for permitting typing on the record web, and a slot for exposing identifying-data thereon. The hopper 51 is provided with a follower 71, mounted on spring-urged lazy-tongs, for holding the top bill in engagement with rollers 69. A spring finger engages the bottom edges of the bills and holds the top edges in engagement with an adjustable gate. The top bill is fed off the pile by the rollers 69 and is advanced along the plate 53 by means of feed-rollers 65, 66, and an endless band 55 having studs 63 for engaging the bill. The bill is positioned on the plate by means of a stop 149 on a spring 148 which is depressed by a cam 150 on the type-carriage. The plate is provided with a spring for retarding the bill. The band also serves to discharge the previously typed bill into the hopper 52, the pile of bills therein being engaged at the top by a pivoted weight. The band passes over a feed-roller 56, a tension-roller, and guide-rollers 60, the feed and tension rollers having sprocket pins 61. The feed-roller 56 is secured to a shaft 64 which is operated during return of the type-carriage. A shaft 84 is geared to the shaft 64 and has a stud 86 cooperating with a forked arm 88 on a shaft 89, a sector 90 on the shaft co-operating with a pinion 91 having ratchet-connection to the feed-rollers 69. The feed-roller 65 is secured to the shaft 64 and is geared to the feed-roller 66, the latter roller being mounted in a spring- urged bail 67. A record-web roll A, Fig. 4, is placed in a trough 23 on the platen frame, and the record web is led over the platen and guide-plates 24, 25, the plate 25 co-operating with a spring finger 26. The record web is line-spaced by means of a pair of rocking grippers each consisting of an arm 35 formed with a flange 36 co-operating with a pivoted finger 37 which engages a spring-urged pivoted finger 38, the edge of the record web being gripped by the finger 37 during clockwise movement of the arm. The arms are secured to a shaft 42 connected to a forked lever 95 co-operating with a cam 94, Fig. 13, on the shaft 84. The record web can be fed backwards by means of rocking grippers consisting of arms 44 provided with spring-urged fingers 46, a shaft 43 carrying the arms being operated by a handle 48, Fig. 1. The platen is depressed to facilitate backward feed of the record web, the fingers 37 being simultaneously released by co-operation of the fingers 38 with lugs 50 on the platen. The shaft 64 is geared to a shaft 103, Figs. 13 and 14a, provided with a splined sleeve 107 having a pinion 101 for engaging a pinion 100 on the spring drum 98. The pinions are normally disengaged, a yoke 111, formed on a rocking bail 113, co-operating with a shoulder 110 to prevent a spring 117 from raising the sleeve. At the end of the letterspacing movement of the type-carriage, a stud 116 on the tape 99 engages an arm 115 on the bail, and the yoke 111 is released to permit engagement of the pinions. On depression of the carriage-returning key, the spring drum is re-wound by the tape, the shafts 103, 64 are driven, and the above-described feed-devices are operated to feed a bill on to the platen, discharge the typed bill, and line-space the record web. At the end of the return movement, the type-carriage operates means for depressing the sleeve 107 and thereby disengaging the pinions 100, 101. Means for this purpose comprise a rocking member 126 having pins 127 engaging a groove 128 in the sleeve, and a pin 129 engaging an arm 130 on the shaft 112 of the bail 113. The shaft is provided also with an arm 134 co-operating with a slide 133 having an abutment 132 in the path of a hook 131 on the type-carriage. A spring 135 for holding the arm 134 in normal position is connected to the pin 129 and an extension 137 of an arm 138 on the shaft 112. A restoring- spring 114 for the yoke 111 is connected to the bail 113. When two-line bills are to be typed, the spring 117 is rendered ineffective, and the line-spacing lever 12 is arranged to rock the arm 138, the spring 135 being thereby tensioned to raise the sleeve 107 when the yoke 111 is released at the end of the second line. The spring 117 is arranged in a collar 118 having shallow and deep notches for engaging a pin 121 on the shaft 103, the spring being ineffective when the pin engages the deep notches. The shaft 13 of the line-spacing lever is provided with normally disengaging clutch-members 141, 142, the clutch-member 141 being coupled by an arm 139 and a link 140 to the arm 138. The clutch-member 142 is spring-urged and is connected by a rod to a knob 145 having a cam surface engaging a pin 146, the knob being turned to engage or disengage the clutchmembers. Before a two-line bill is written, the collar 118 is adjusted to render ineffective the spring 117, and the knob 145 is turned to engage the clutch-members. The sleeve 107 is not raised at the end of the first line, but when the line-spacing lever is operated, the spring 135 is tensioned, and at the end of the second line the sleeve 107 is raised by means of the spring 135 so that on return of the typecarriage the feed-mechanisms are operated in the above-described manner. When the arm 134 is rocked by the slide 133, the sleeve is depressed by means of the member 126, and the line-spacing mechanism is operated reversely to move the line-spacing carriage and the type-carriage into first-line position. Ink-ribbon mechanism.-A carbon web C, Fig. 4, arranged between the record web A and the bill is led from a roller 27 to a roller 30 having a ratchet-wheel co-operating with a sliding feed-pawl abutting on a bell-crank 34 operated by the lever 95.