Patent ID: 7350472

Claim:
A work positioning device for a computer sewing machine having a memory for storing therein a pattern data of a plurality of different embroidery patterns which are selectively read out of the memory to drive a carriage of the sewing machine carrying an embroidery frame holding a work to be embroidered, thereby to control an operation of the embroidery frame relative to a machine needle, the embroidery frame being set to an initialized position prior to starting an embroidery stitching operation, said work positioning device comprising: an auxiliary table of the computer sewing machine having a portion provided therewith for supporting said embroidery frame, said frame supporting portion of the auxiliary table corresponding to one of a plurality of positions of said carriage; a positioning arm having one end removably and turnably connected to a holding means provided on said auxiliary table, said positioning arm having a positioning part provided at an opposite end for positioning said work so that a selected pattern may be stitched at an optional position of said work; said positioning arm being movable between an upper position where said positioning part is spaced from an upper surface of said auxiliary table and a lower position where said positioning part is in contact with the upper surface of said auxiliary table; said positioning part having a reference mark of crossed lines provided thereat, said reference mark showing a an initialized position for starting a pattern stitching operation when said embroidery frame is connected to said carriage; said work having a mark of crossed lines provided at an optional position thereof, said mark of crossed lines being put upon said reference mark of crossed lines of said positioning part so that the mark of crossed lines come in accord with said reference mark, thereby to confirm a position of said work to be held by said embroidery frame, the position of said work corresponding to the initialized position that is one of a plurality of frame supporting positions of said carriage, while said embroidery frame is connected to said frame supporting portion of said auxiliary table.