Sliding needle bar drive for tufting machines

Details Sliding needle bar drive for tufting machines Sliding needle bar drive for tufting machines

1994-01-25

1995-06-27

Falik, Andrew M.

Sewing

Special machines

Embroidering

112284, D05C 1530

Patent

active

054270391

ABSTRACT:
A drive mechanism for connecting the output drive of a tufting machine pattern control to the needle bar of the tufting machine includes a linkage having a pair of links each connected at one end to a plate fastened to the output drive rod of the pattern control and having second ends which are connected to a lever at spaced apart locations. One end of the lever is connected to the needle bar of the tufting machine. One of the links is substantially longer than the other link and the locations of the connection to the lever is such that the attachment of the lever to the needle bar produces substantially vertical straight line motion at that point as the needle bar reciprocates. Thus, the needle bar may be shifted laterally by the mechanism as determined by the pattern control, and yet reciprocates in a straight line path.

REFERENCES:
patent: 3973748 (1976-08-01), Nagasaka
patent: 4399758 (1983-08-01), Bagnall
patent: 4465001 (1984-08-01), Ingram
patent: 5205229 (1993-04-01), Job

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