Sewing – Special machines – Buttonhole
Patent
1978-07-05
1980-02-26
Feldbaum, Ronald
Sewing
Special machines
Buttonhole
112221, D05C 1500
Patent
active
041900065
ABSTRACT:
A tufting machine which includes mechanism for adjusting the stroke of the needles which is operable from the exterior of the machine and such that the bottom dead center position of the needles remains at a constant level in all positions of adjustment.
REFERENCES:
patent: 3286670 (1966-11-01), Boyles
patent: 3653346 (1972-04-01), Parsons
patent: 3665873 (1972-05-01), Wittler
patent: 3830174 (1974-08-01), Mezlor
patent: 3857345 (1974-12-01), Higgins
Edgar Pickering (Blackburn) Limited
Feldbaum Ronald
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