US 12,258,694 B2
Sewing machine
Tatsuya Ogawa, Tokyo (JP); Kuniaki Sato, Tokyo (JP); Hajime Nakayama, Tokyo (JP); and Juan Zhang, Tokyo (JP)
Assigned to JUKI CORPORATION, Tokyo (JP)
Filed by JUKI CORPORATION, Tokyo (JP)
Filed on Nov. 28, 2023, as Appl. No. 18/522,105.
Claims priority of application No. 2022-190096 (JP), filed on Nov. 29, 2022.
Prior Publication US 2024/0175181 A1, May 30, 2024
Int. Cl. D05B 29/02 (2006.01); D05B 1/08 (2006.01); D05B 27/10 (2006.01); D05B 47/04 (2006.01); D05B 57/10 (2006.01)
CPC D05B 29/02 (2013.01) [D05B 1/08 (2013.01); D05B 27/10 (2013.01); D05B 47/04 (2013.01); D05B 57/10 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A sewing machine, comprising:
a sewing needle, held by a needle bar, and moving back and forth while holding an upper thread;
a shuttle, configured to hold a bobbin around which a lower thread is wound and which is housed in a bobbin case, and cooperating with the sewing needle to form a seam;
a presser foot member, configured to press a to-be-sewn article at a sewing position directly below the sewing needle;
a pressure adjustment portion, adjusting pressure applied to the to-be-sewn article by the presser foot member;
a feeding mechanism, wherein endless feeding belts for feeding the to-be-sewn article from the sewing position to a first direction are disposed on two sides of a second direction orthogonal to a first direction with respect to the sewing position, the feeding mechanism is provided with a belt drive portion, and the belt drive portion independently drives the feeding belts on one side of the second direction with respect to the sewing position and the feeding belts on another side of the second direction with respect to the sewing position; and
a control portion, configured to control the pressure adjustment portion to make a pressure of the presser foot member be corresponding to a difference between a feeding amount of the feeding belts on one side of the second direction with respect to the sewing position and a feeding amount of the feeding belts on another side of the second direction with respect to the sewing position.