Friction feed wheel mechanism with vibration excitation
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United States of America Patent
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Sep 10, 2002
Grant Date -
Apr 25, 2002
app pub date -
Feb 14, 2001
filing date -
Feb 15, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vibration friction feed wheel mechanism for feeding thread to a thread processing machine having intermittent thread requirement. The feed wheel mechanism including a high friction contact surface, a thread guide level for lifting thread off of the feed wheel and a vibration generating arrangement for applying a vibrational movement to the thread. The vibration of the thread ensures that the thread lifts-off from the contact surface of the friction feed wheel by reducing the coefficient of friction between the thread and the high friction contact surface of the friction wheel.
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