Tufting needle bar and needle bar assembly

Details Tufting needle bar and needle bar assembly Tufting needle bar and needle bar assembly

1977-06-30

1979-05-15

Hunter, H. Hampton

Sewing

Special machines

Buttonhole

403324, 403379, D05C 1510

Patent

active

041541766

ABSTRACT:
A substantially lightweight tufting needle bar and needle bar assembly of improved construction comprising preferably a hollow needle bar including a needle bar insert pin plate or base type portion having vertical bores for receiving needles. Horizontal bores intersect with the vertical bores to permit the insertion of roll pins which secure and lock the needles in place. The needles are horizontally grooved to enable precise securement by the roll pins. In the hollow needle bar embodiment, the outer channel of the needle bar is kept thin to provide an extremely light weight construction.

REFERENCES:
patent: RE27165 (1971-08-01), Spanel et al.
patent: 418049 (1889-12-01), Muther
patent: 3217676 (1965-11-01), Short
patent: 3342153 (1967-09-01), Short
patent: 3348508 (1967-10-01), Eguchi et al.
patent: 3424114 (1969-01-01), Short
patent: 3485195 (1969-12-01), Torrence
patent: 3534640 (1970-10-01), Macy
patent: 3658022 (1972-04-01), Roger
patent: 3937157 (1976-02-01), Spanel et al.

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