Workpiece cloth positioning guide device for sewing machine

Details Workpiece cloth positioning guide device for sewing machine Workpiece cloth positioning guide device for sewing machine

2007-02-12

2010-12-21

Welch, Gary L (Department: 3765)

Sewing

Stitch forming

Zigzag

Reexamination Certificate

active

07854209

ABSTRACT:
A workpiece cloth positioning guide device for a sewing machine includes a projector which projects a sewing reference mark onto an upper side of workpiece cloth placed on a sewing bed of the sewing machine. The projector includes a telescopic cylindrical body having an upper end provided with the light source and a lower end, a transmission part provided in a lengthwise middle portion of the cylindrical body and formed with a mark forming pattern for forming the sewing reference mark, a projector lens provided in the lower end of the cylindrical body, and a projector lens elevating unit which raises and lowers the projector lens, and a mark size setting unit which sets a size of the circle of the sewing reference mark to a desired size.

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