21,851. Blumer & Co., G. Sept. 16, [date applied for under Section 91 of Patents &c. Act, 1907]. Loom shuttlechanging mechanism ; stop - motions. -In shuttle-changing mechanism of the type wherein a shaft 17, Figs. 2 and 3, carries arms, which operate mechanisms to raise the shuttle-box fronts, transfer a fresh shuttle from the magazine into the shuttle box, and actuate a s p e n tshuttle ejector, the shaft 17 carries a a spring 16, which is engaged by a stop 7 on the weft-fork carrier 4, when the weft-fork mechanism is operated, so that the shaft 17 is thereby rocked. The arms 18 carry rods 22 which raise hooked levers 23, 28 into the paths of projections 27 on levers 26 on the lay-swords, so that, when the lay moves forwards, the levers 26 are rocked, and, by means of lever mechanism 29, 30, 31, 32, 33, raise the guides or shuttle-box fronts 34. The arm 19 carries a rod 35, which raises an arm pivoted to a lever 39, 41 into the path of a stop 38 on the laysword 24. The lever 39, 41 is thereby rocked and rods 43 actuate a bent metal device 44, which is thereby reciprocated in guides 45 and transfers a fresh shuttle 46 from the magazine 86 into one of the shuttle boxes, chains 50 on a lever 49 having been freed from recesses in the bottom shuttle in the magazine by means of an arm 20 carried by the shaft 17 and connected by a rod 47 to the lever 49. The arm 19 also carries a rod 52, which raises a crank 53 and rocks a shaft 54, so that a spring tooth 57 thereon is moved away from a lever 58. This lever is thereupon moved sideways by a spring, and its part 72 comes into the path of a pin 61 on a disk 60 on a shaft 13 driven at half the speed of the crank-shaft. The lever 58 is thus moved forwards, rocks a lever 63, shaft 64, and crank 65, and depresses a rod 67, thus rocking a lever 70. A pin 71 then raises the hook 3 of the weft fork and prevents the weft-fork mechanism from being again actuated until the shuttle-changing operation is completed. The spring tooth 57 enters a recess in the lever 58, which is returned by the pin 61 engaging the part 62, the spring tooth being then moved out of the recess into its normal position. The threads from the spare shuttles are carried by a stud 87, and a hook 89 carried by the pivot 68 of the lever 70 engages the thread from the shuttle which has just been fed into the shuttle box and prevents the thread from moving with the lay. One of the two shuttle stop-motion catches, which are carried on the same shaft, is provided with a bent pin engaging one of the levers 32, so that the two catches are held out of action and prevented from stopping the loom during the shuttle-changing operation. Another arm on the shaft 17 carries a spring rod, which raises a hook on a lever, mounted on the loom frame and provided with a shockabsorbing spring, into the path of an arm on a shaft below the lay. This shaft is thereby rocked and arms thereon actuate pushers, which eject the exhausted shuttle into a receptacle.