Patent ID: 6263815
Filing Date: 2001-07-24
Classification: D05B

Abstract:
A sewing system comprising:at least one table for placing objects to be sewn thereon;a sewing machine body which has a sewing needle provided so that said sewing needle moves up and down freely, and a motor for moving said sewing needle up and down at an arbitrary speed, and which is adapted to sew the objects together;an X-Y feed mechanism placed under said sewing machine for moving said sewing machine body relatively by a required amount in the direction parallel to a longitudinal axis of said table, and also move the same relatively by a required amount in the direction perpendicular to the longitudinal axis of said table;an image sensor located near said sewing machine for fetching image data on the objects to be sewn;a storage means for storing guide patterns for the objects to be sewn and indicative of portions to be sewn together and positions on said objects where said objects are to be sewn together; anda control means connected to said sewing machine, said storage means and image sensor for searching the image data for the shape of the guide patterns, for computing on the basis of the detected guide patterns first coordinates on which the portions to be sewn are positioned, and for computing a difference between the first coordinates and second coordinates on which said sewing needle of said sewing machine body is actually placed, for moving said sewing machine body by the difference in a required direction, and for giving instructions to said sewing machine to sew the portions indicated by the guide patterns.