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(11) | EP 3 425 097 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | COMPOUND NEEDLE |
| (57) The present invention provides a compound needle that has sufficient strength and
suppresses the accumulation of waste in a slider groove. The compound needle 1 includes
a needle body 2 that has a hook 20 provided at the tip and a slider groove 21 provided
in an upper end face, and a slider 3 that is slidably fitted into the slider groove
21 and opens and closes the hook 20. The compound needle 1 also includes a waste discharge
window 4 that is formed in a side face of the needle body 2 and is in communication
with a portion of the slider groove 21 located on a rear end side in the sliding direction
of the slider 3. The waste discharge window 4 has a shape capable of accommodating
the rear end of a portion of the slider 3 that slides on a bottom portion 21b of the
slider groove 21, when the slider 3 is at the most withdrawn position in the sliding
direction.
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