Patent GB-191303252-A (GB)
Title: Improvements in or relating to Box Making Machines.
Inventor: JUSTICE PHILIP MIDDLETON
IPC: B31B17/00
Filed: 1912-04-11
Granted: 1913-03-27
Abstract: 3252. Justice, P. M., [Burt Co., F. N.]. April 11, 1912. Machines for telescoping a box body over a collar and securing a cord between the body and the collar, the invention being applicable to machines such as that described in Specification 8622/12. Box bodies in an inverted position are fed along a guideway 351, Fig. 1, through an opening in a plate 357, and along a guideway 361, until the foremost engages a pivoted stop 362. A device for carrying the bodies to a former on which a collar is positioned pushes the stop aside, and the first body is fed into this device by a finger 367 on a reciprocating rod 364, a finger 366 having immediately before forced a completed box from the carrying-device into a channel 384. The rod 364 has a depending lug 381, on which is a roller 382 engaging a spring-pressed switch-piece 372, so that, on the return movement, the fingers are lowered out of the path of the bodies or boxes. The carrying-device consists of jaws 407, Fig. 16, having flanges 410 on which two of the edges of the body rest, the jaws being pivoted by a pin 406 to a block secured to a shaft 399 by arms 405. When the body is in position between the jaws, the shaft 399 is turned through a right-angle to bring the body into alinement with a collar carried on a former. A connecting-rod 422, operated from a hollow rock-shaft 426, then moves the shaft 399 and its bearing-sleeve 398 towards the former, and the body is telescoped over the collar. When this movement has been effected, a trip 429 on a rock-shaft 428 acts on a lever 430, to cause a plunger 424 to enter a transverse opening in the shaft 399 and move a pin 420 to actuate toggle-links 411 and cause the jaws 407 to press the body firmly against the collar. When the shaft 399 is moved back, the completed box is stripped from the former by hooks 413 engaging two edges of the collar. The carrying-device is provided with a plate 457, Fig. 8, slidable in guides 456 and carrying a block 461, Fig. 32, through which a cord 478 is led, the cord being normally held stationary in the passage by a spring-controlled lever 483. As the carrying- device swings to carry a body to the former, a chain 501 is slackened and allows a nose on a spring-actuated lever 492 to push the end of the cord across an edge of the body, so that, when the body is pushed on to the collar, the cord is secured between the two parts of the box. As the carrying-device is returning, a pivoted spring-controlled stop 488 engages a lug 484 on the lever 483, and moves the lever to release the cord. The lever 462 is then actuated, first tightening the chain 501 to withdraw the nose of the lever 492, and afterwards raising the plate 457 and block 461 by means of the connexion 473. When the box is forced into the channel 384 by the finger 366, it draws a length of cord after it between blades 503, 504. The plate 457 is then raised still further, causing the blade 504 to move to sever the cord and allowing the lug 484 to escape from the stop 488, so that the lever 483 can again grip the cord.