Pattern control mechanism for embroidering machine

Details Pattern control mechanism for embroidering machine Pattern control mechanism for embroidering machine

1976-09-16

1977-10-11

Hunter, H. Hampton

Sewing

Special machines

Embroidering

112 79A, 139 59, D05C 500

Patent

active

040529452

ABSTRACT:
A pattern control mechanism for embroidering machines of the type which use punched tape and a gear-type analog computer with input cam slides for the generation of pattern movements in a large number of different magnitudes, the improvement relating to the cam slide driving mechanism, where pivotable horizontal slide pushers which are attached to the cam slides are selected vertically by transversely moving selector bars whose position is determined by feeler needles of the punched tape sensing device, and where the raised non-selected slide pushers remain back, while the lowered selected ones are engaged by a reciprocating pusher drive bar. The selector bars, which execute a vertical approach motion, have selector teeth which prevent the simultaneous drive engagement of both cam slides.

REFERENCES:
patent: 435875 (1890-09-01), Wilcox et al.
patent: 611011 (1898-09-01), Hill
patent: 2050780 (1936-08-01), Bohmann et al.
patent: 3177834 (1965-04-01), Urscheler
patent: 3669154 (1972-06-01), Horak

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