Sewing machine

Abstract

A sewing machine includes a bed, a feed unit, a sewing unit, a projector, and a controller. The projector is configured to project a projection image to the bed. The controller is configured to, where the feed unit and the sewing unit do not perform sewing, execute a first control in which the controller causes the projector to project a first image to the bed, the first image including a first object and a second object, the first object indicating a planned sewing position, the second object indicating a reference position to position the workpiece. The controller is configured to, where the feed unit and the sewing unit perform sewing, execute a second control in which the controller causes the projector to project a second image to the bed, the second image including the first object and not including the second object.

What is claimed is: 
     
         1 . A sewing machine comprises:
 a bed;   a presser foot;   a projector; and   a controller configured to cause the projector to project a grid pattern towards the bed, and so that a portion of the grid pattern being projected onto the presser foot.   
     
     
         2 . The sewing machine according to  claim 1 , wherein the controller is configured to cause the projector to project a stitch pattern towards the bed. 
     
     
         3 . The sewing machine according to  claim 2 , wherein the controller is configured to cause the projector to project the stitch pattern towards the bed so that a portion of the stitch pattern is projected onto the presser foot. 
     
     
         4 . The sewing machine according to  claim 2 , wherein the controller is configured to cause the projector to project the grid pattern with a first color and the stitch pattern with a second color that is different from the first color. 
     
     
         5 . The sewing machine according to  claim 1 , further comprising a feed dog configured to feed a workpiece placed on the bed in a feed direction. 
     
     
         6 . A sewing machine control method, comprising:
 projecting, by a projector of a sewing machine, a grid pattern towards a bed of the sewing machine so that a portion of the grid pattern being projected onto a presser foot of the sewing machine.