APPARECCHIO SBOBINATORE PER FILI
Wire unwinding device, comprising a bobbin 2 supplying thread 4 mounted on a frame 6 and placed in rotation by motor means 16; a drive pulley 8 able to rotate on the frame 6 to drive the thread 4 coming from the bobbin 2, an arm 10 oscillating on the frame 6 and elastically preloaded; pulleys able t...
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Format: | Patent |
Sprache: | ita |
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Zusammenfassung: | Wire unwinding device, comprising a bobbin 2 supplying thread 4 mounted on a frame 6 and placed in rotation by motor means 16; a drive pulley 8 able to rotate on the frame 6 to drive the thread 4 coming from the bobbin 2, an arm 10 oscillating on the frame 6 and elastically preloaded; pulleys able to turn on the arm 10 whereby, corresponding to variations in tension of the thread 4, the arm 10 oscillates to compensate for said tension variations. |
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