US 12,173,435 B2
Controlling device and method for sewing machine, and sewing machine
Hiroshi Watanabe, Kasugai (JP); and Takuya Okamoto, Kasugai (JP)
Assigned to TISM CO., LTD., Kasugai (JP)
Appl. No. 18/041,959
Filed by TISM CO., LTD., Kasugai (JP)
PCT Filed Sep. 10, 2021, PCT No. PCT/JP2021/033369
§ 371(c)(1), (2) Date Feb. 16, 2023,
PCT Pub. No. WO2022/065083, PCT Pub. Date Mar. 31, 2022.
Claims priority of application No. 2020-159959 (JP), filed on Sep. 24, 2020.
Prior Publication US 2024/0026584 A1, Jan. 25, 2024
Int. Cl. D05B 19/10 (2006.01); D05B 19/14 (2006.01); D05B 35/06 (2006.01); D05C 7/08 (2006.01)
CPC D05B 19/10 (2013.01) [D05B 19/14 (2013.01); D05B 35/06 (2013.01); D05C 7/08 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A controlling device for a sewing machine, the sewing machine being configured to sew a string-shaped material to a workpiece based on pre-programmed sewing data, the controlling device being configured to control a sewing operation of the sewing machine based on the sewing data,
the controlling device comprising:
a sewing data supply device that supplies the sewing data having pieces of operation mode information, indicative of different sewing operation modes, mixed therein; and
a processor configured to control, at a boundary between the different sewing operation modes and depending on a difference between the sewing operation modes immediately preceding and succeeding the boundary, whether to execute a process for shifting to the succeeding sewing operation mode while keeping a main shaft of the sewing machine rotating or to execute the process for shifting to the succeeding sewing operation mode after temporarily stopping the rotation of the main shaft.