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

Claim 0:
1. A driving clutch device for a sewing machine, comprising:
a drive shaft;
a passive member fixed to the drive shaft;
a clutch seat fixed to the drive shaft and including a through hole;
an actuating seat pivotally disposed to the drive shaft and including a clutch hole;
a power unit including a power rod and a driving member connected to the power rod, the driving member being pivotally connected to the actuating seat, and the power rod being configured to drive the driving member to move, so as to further drive the actuating seat to pivot reciprocatingly around an axis of the drive shaft; and
a clutch member returnably disposed to the clutch seat and movable between an engaged position and a disengaged position, the clutch member including a clutch lever configured to be inserted in the through hole of the clutch seat, wherein when the clutch member is in the engaged position, the clutch lever is inserted into both of the through hole of the clutch seat and the clutch hole of the actuating seat, so that the actuating seat is moved synchronously with the clutch seat, and the passive member is driven by the drive shaft; and when the clutch member is in the disengaged position, the clutch lever is inserted into the through hole of the clutch seat but is disengaged from the clutch hole of the actuating seat, so that the actuating seat does not move synchronously with the clutch seat.