Patent GB-190712477-A (GB)
Title: Improvements in Type Casting and Composing Machines.
Inventor: LOCK WILLIAM HENRY
Filed: 1907-05-29
Granted: 1908-06-29
Abstract: 12,477. Lock, W. H., and White, W. G., [Tachytype Manufacturing Co., partly]. May 29. Monotype &c. and like machines.-Relates to improvemeuts on the machine described in Specification No. 2554, A.D. 1895, using preferably the record-strip described in Specification No. 12,476, A.D 1907. (1) The strip 22, Fig. 4<a>, is led from a reel 23 under a guide-rod 25 and over pin disks 30 on a shaft 29 provided with a ratchet-wheel 40, which is actuated bv a spring finger 48 and a nose 49 on a slide 41, and is retained by a detent 50 provided with a thumbpiece 53 for release to permit rotation of the shaft 29 by hand. The slide 41 is actuated by connexions including an adjustable link 57 and a cam-actuated lever 58. The strip passes over a bridge-piece 32 perforated to receive spring-depressed selecting-pins 62 mounted in a bridge-piece 60<a>, and is pressed against the bridge-piece 32 by a roller on spring-pressed arms. The shaft 29, bridge-piece 32, and the pressure roller are carried by a pivoted piece 26 held up by a spring latch 34 secured by a finger-cam 38. Levers 64 engage in slots in the pins 62 and in pins 68 guided in a rocking frame 69, Fig. 30, and are returned by a bail 80 operated from a camactuated lever 85, through a link 83 with pin-andslot connexion 84, 87. Intermediate pins 74, 221, Figs. 21 and 30, for setting the wheel-pins 75 and the mould respectively, are mounted in a pivoted bar 70. The arrangement of the pins 74, 75 in alinement allows the co-ordinate wheels 76, 77 to turn at once without waiting for the backward rock of the frame 69. The wheel-pins 75 are slotted for engagement by stops 79 on the wheels 76, 77, and are returned by a bar 89, Fig. 3, connected through a rock-shaft 102 to the rocking frame 69. The projections on the bar 89.follow the wheel-pins closely, so that the slides 93, 94 which actuate the matrix carrier are always engaged either by wheelpins or by projections. The connecting-rod 105 between the parts 102, 69 is provided with a cushioning-spring 106, Fig. 4<a>, a lost-motion device 107, and a longitudinal adjustment 108. The frame 69 is rocked from a cam-opented shaft 111 through levers with self-adjusting connexions. To prevent the projection of more than two wheel-pins, the pins 68, Fig. 30, enter two series of pivoted dogs 118 on a pivoted frame 116, so that if there is an excess pin 68, the frame 116 is rocked by the backward movement of the frame 69 and raises the bar 70 through a link 119 ; the bar 7.0 is held raised by a detent 121 released by hand. (2) The co-ordinate wheels 76, 77, Fig. 3, are rotated from the lever 85, Fig. 4<a>, through an adjustable link 123 and a rack 124 engaging with the wheels on their peripheries. The hook 134 on the link 132 connecting the slide 94 to the matrix plate 130 carries an antifriction roller 133 and can be moved by means of a thumb-screw 135 to clear the ledge of the plate 130. The slide 93 is connected to the matrix carrier 131 by a parallelmotion linkage 136, 137, the bell-crank lever 136 having a pivoted-block and slot connexion 140 with the slide 93. The matrix hammer or impression pin 142 and the metal-pot nozzle are actuated by separate mechanisms. The pin 142 is swivelled in a cam-actuated arm 144 ; a cushioning-spring is arranged on the pin between a nut and a convex washer fitting in a concave seat in the arm 144. (3) The metal-pot nozzle is locked against the mould by a spring-projected pin provided with a handle for retraction, and upward movement of the nozzle is prevented by a set-screw ; these parts are on an arm pivoted so that it can be swung clear to allow withdrawal of the metal pot. The metal pot is adjusted for change of fount by means of nuts on the standard 168, Fig. 3, and corresponding adjustment of the choker is effected by adjusting a punchpiece 164, Fig. 4<a>, on the rod 163. The push-piece 164 operates the choker through a push-rod, which is tripped by the frame 116, Fig. 30, and also by means controlled by the galley pin 68, including a sliding block normally in the path of the galley pin hot raised clear if the frame 116 is operated. The pump rod is actuated by a lever operated by a cam which can be slid clear of the lever. (4) The top and bottom mould sections,are held together by an end plate 218, Fig. 6. The front plate 219 is screwed and dowelled to the bottom section, and screwed with slight play to the top section. The sliding section 237 is carried by a spring-returned slide 236, Fig. 3, which is adjustable relatively to the section by means of a nut 264, and is provided with a roller co-operating with an incline 234, Fig. 21, on a rack 223, which is raised by a wheel 226 to an extent determined by an adjustable oneunit stop 222 or by a six-stepped stop 224 and pivoted arms 238 advanced by the pins 221. The wheel 226 is held by means of a spring 228 and nuts 229 to a wheel 225 driven by the wheel 76. The incline 234 is pivoted and adjustable by means of a set-screw 260 for different founts. Rebound of the arms 238 is prevented by spring detents ; the arms are returned by a bail 258 actuated in the backward movement of the frame 69, Fig. 30. The ejecting movement of the slide 236 is effected by means of an adjustable roller 272 and a cam 271 ; the return movement is limited by an adjustable stop 274. The mould is clamped to the framing and abuts against a set-screw 306 ; a clamp 299 for the mould and a bell-crank lever 303 for clamping the cross-slide 270 against the mould are connected with a lever 296 operated from the slide 276 of the cam 271 ; the clamp 299 is on a rod 298 slotted over a type-pusher 283 and provided with a distance-washer 301 to clear the pusher. (5) From the mould, the type is carried up to the race 210, Fig. 6, by the cross-slide 270, which is reciprocated by a link 282 eccentrically connected to a wheel 281 driven from the wheel 77; the pusher 283, instead of the section 237, transfers the type to the race. The cap 307 of the race is adjustable, for different founts by means of liners 308; and is provided with a guide rib and spring depressors 213. The type is held down in the slide 270 by a presser 286 and is retained in the race by a presser on the cap 307. (6) The jet is cut off by a knife on the slide 270, Fig. 6, as the latter descends ; the jet falls down a shoot into a flexible tube 293, Fig. 4<a>. The grooves are formed in the feet of the types by a knife 312 as the types are pulled past it in the race 210. (7) The mechanism normally operated by the galley pin includes a rod 202, Fig. 4<a>, controlling a clutch 195 on a two-part shaft 194, which is driven from the main shaft 3 through worm gearing 187, 193, and actuates the type-hook 186, Figs. 6 and 10, through connexions, 188, 189. 190. In order to ensure engagement of the clutch 195, the return of the rod 202 is delayed by a detent, which locks the galley-pin mechanism and is released by a pin on one of the levers operating the frame 69. The crank 188 has a lead so that the first motion of the hook 186 is into a cavity 208 In the cross-plate 209 of the slide 270. The spring 211 for raising the hook 186 into the race advances over a cam 215 and returns under the cam, withdrawing the hook from the race through a port 214. The galley consists of a fixed part 331, Fig. 3, and a detachable part 332 ; the former is adjustable by means of a slide 337 and the latter by filling-pieces 338. Two-part spring- pressed supporting-ledges 339 are used, on a laterally-adjustable bracket 340 hinged on a slide 342 connected by a cord to a spring-drum 348, Fig 4a, provided with a winder 349 for adjusting the tension of the spring ; a nosed lever 350 automatically locks the bracket 340 against ascent when the part 332 is removed. The line is drawn by the hook 186 under a spring-pressed bail 354, Fig. 10, and is transferred to the galley by a pusher, which raises the bail 354 and actuates a rock-shaft 375, Fig. 3, carrying a bail 377 for advancing the column in the galley. The bracket 13 is formed with an adjustable receptacle 378 for leads, which are ejected through a gate-way below adjustable lugs 380, by means of projections on the pusher. The top line is retained by an adjustable pivoted bar 452. The galley piece 337 is provided with a sliding piece 386, which is retained by a spring detent 387 and is pushed aside if the line is not in register ; the operator should then straighten the line and replace the piece 386. (8) The driving-shaft 3, Fig. 4<a>, is parallel with the front of the machine and carries two cam-disks 19 instead of one. The driving-pulley is controlled by an expanding clutch closed by a hand-lever, which is locked in the closed position by a detent released by hand or automatically by an electromagnet in a circuit 413, Fig. 10, which is closed if the line is not of the proper length, at an insulated contact 417 on the galley side 331 by the typehook lever 190, and at either of two contacts 426, 422 on a rocking piece 423 adjusted on the bail 354 for engagement by the leading type.