Patent ID: 11859324
Assignee: nan
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D | IPC D

Claim 2:
3. The driving clutch device for the sewing machine as claimed in claim 1, wherein the clutch member further includes a controlled portion, the driving clutch device further comprises a clutch linkage member and a clutch operation member, the clutch linkage member includes a first pivotable mounting portion, an actuating protrusion, and a pushing portion for pushing the clutch member to move from the engaged position to the disengaged position, the clutch operation member includes a second pivotable mounting portion, an operatable portion for being moved, and an elongated guiding slot for the actuating protrusion to insert and for guiding and being guided by the actuating protrusion, the clutch operation member is able to pivot from a first position and a second position on the second pivotable mounting portion as a pivot; when the clutch operation member is pivoted to the first position by pulling the operatable portion, the pushing portion corresponds to the controlled portion to keep the clutch member in the engaged position; and when the clutch operation member is pivoted to the second position by pulling the operatable portion, the actuating protrusion is pushed by the clutch operation member at a wall surface of the elongated guiding slot, so that the pushing portion pushes against the controlled portion of the clutch member to move the clutch member from the engaged position to the disengaged position.