FEEDING DRIVE FOR SEWING MACHINE

摘要

PROBLEM TO BE SOLVED: To provide an easily operable feeding device for a sewing machine wherein the amount of feeding can be freely adjusted according to various kinds of sewing situations and the skill/liking of an operator. SOLUTION: The feeding device for the sewing machine is provided with: a feeding transmission mechanism 20 for transporting fabrics in a prescribed direction by swinging a feed dog 11 so as to come in contact with and leave the fabrics; an angle piece 30 for changing the amount of feeding of the feeding transmission mechanism 20; a stepping motor 50 for driving the angle piece 30; and a CPU 80 for controlling the amount of driving of the stepping motor 50 so as to change the amount of feeding. The feeding device is further provided with: an operation lever 6 having a prescribed operable range Sa; a potentiometer 70 for detecting the amount of operation of the operation lever 6; and a program 110 for setting the amount of feeding for setting the correspondence relation between the amount of operation of the lever 6 and the amount of feeding. The CPU 80 controls the amount of driving of the stepping motor 50 so as to change the amount of feeding corresponding to the amount of operation of the lever 6 on the basis of the correspondence relation set by the program 110 for setting the amount of feeding. COPYRIGHT: (C)2005,JPO&NCIPI