| 摘要 |
A device for needle-by-needle selection in circular stocking knitting machines is disclosed. An elastic lock pin or segment (19) is provided for each lower needle (13) of the type having an elastic deflection tail. The segment is carried by a crown (22) fixed with the cylinder and usually in a position shifted downwards away from the tail of the lower needle. A thruster (20) is provided under the lock segment, which can be moved upwards and is intended to deflect the lock segment (19) up to the level of interception with the tail of the lower needle (13). This results in a locking of the lower needle in the deflected, inoperative position. A selection electromagnet (21) is provided which can be activated and deactivated according to a program to hold or release the lock segment. The activation/deactivation keeps the inoperative lower needle locked or releases it because it is moved towards the outside into the operating position.
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