Tufting machine head shaker

Sewing – Special machines – Embroidering

Reexamination Certificate

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Reexamination Certificate

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07578249

ABSTRACT:
An antivibratory system is provided by means of a servo motor driven shaker affixed to the head or bed frame of a tufting machine and programmed for rotation of a balancing weight to minimize vibration caused by operation of tufting machine at a particular speeds and needle stroke lengths.

REFERENCES:
patent: 3800718 (1974-04-01), Johnson
patent: 4586446 (1986-05-01), Cooper
patent: 4665845 (1987-05-01), Card et al.
patent: 4895087 (1990-01-01), Amos
patent: 5186113 (1993-02-01), Green
patent: 5287819 (1994-02-01), Beatty et al.
patent: 5572939 (1996-11-01), Beatty
patent: 5769012 (1998-06-01), Vaughan et al.
patent: 5857422 (1999-01-01), Neely et al.

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