Patent GB-190822988-A (GB)
Title: Improvements in or connected with Weft Replenishing Mechanism for Looms having a Plurality of Shifting Shuttle Boxes.
Inventor: HOLLINGWORTH EDWARD
Filed: 1908-10-29
Granted: 1909-10-07
Abstract: 22,988. Hollingworth, E., [Crompton & Knowles Loom Works]. Oct. 29. Loom shuttles, changing bobbins and the like in, automatically ; change-box motions.-In looms provided with weft-replenishing mechanism and having change-boxes at one end, the magazine, besides being moved in the ordinary way to bring a fresh bobbin beneath the transferrer after each replenishment of the bobbin, is returned to such a position that a bobbin of a certain colour, for example that corresponding to the bottom shuttle, is in active position beneath the transferrer, and the magazine is then kept stationary until weft-replenishment of the shuttle in one of the other shuttle boxes is indicated. The magazine is thereupon moved, before the replenishment occurs, to such a position that a bobbin of the colour required comes into active position. The magazine is rotated by bevel-gearing from a shaft carrying two bevelwheels, one of which is fast on the shaft while the other is loose on the shaft and has also spur teeth engaged by a rack which is actuated by lever mechanism from a rod 54 adjustably connected to a lever 55 as usual; a bevel-wheel carried by a stud on a ratchet-wheel gears with the firstmentioned bevel-wheel, and this ratchet-wheel is operated by a pawl to rotate the magazine and bring a fresh spool into active position, also in the usual manner. The lever 55 has a pin 55<1>, which fits in a slot 58<1> in a rod 58 connected to the vertically-moving box rod 10, so that the box movements normally do not affect the lever 55. A hooked rod 64, moved up and down by a lever 61 and a cam 60, is guided in a loop 58<2> and receives the slotted end 65<1> of a lever 65. This lever extends into the path of an arm 29<3> of the detector mechanism, operation of which, when weft-exhaustion occurs, causes the lever 65 to be rocked and the hooked rod to be moved into position to engage the pin 55'. If the lower shuttle box is in line with the race, the hook on its downward movement comes into contact with the bevelled part of a latch 58<3> on the lever 58, and is deflected from the pin 55<1>, so that the lever 55 is not actuated. If the upper shuttle box is in line with the race, so that the pin 55<1> is situated in the upper part of the slot 58<1>, the pin 55<1> is actuated and the lever 55 is rocked, so that the magazine is moved and a bobbin corresponding to that in the shuttle in the upper shuttle box is placed beneath the transferrer. When the lower shuttle box comes again into line with the race, the lever 58 raises the pin 55<1>, rocks the lever 55, and returns the magazine to normal position with a bobbin corresponding to that in the lower shuttle box in position beneath the transferrer. The filling-detector mechanism is of known type, in which the feelers and feeler frame have a pivotal motion, and the change-box motion is of the known type, wherein a mutilated pinion or master - gear 13 and a mutilated pinion 15, operated by pattern mechanism, are employed.