Patent ID: 11879195
Assignee: HONGCHENG PRECISION INDUSTRY CO., LTD.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D | IPC D

Claim 4:
5. The automatic thread trimming device as claimed in claim 1, wherein the first flexible connection element has a-threaded bolt, a first washer, a first resilient spring, and a first aperture defined on a center of the first resilient spring and configured to receive the threaded bolt of the first flexible connection element so that the threaded bolt of the first flexible connection element is rotatably accommodated in a first connecting extension of the holding disc, the first washer is fixed between the first connecting extension and the first resilient spring, wherein the first resilient spring has a first limiting segment and a first engaging segment, the first limiting segment abuts against a first defining fringe of the holding disc and the first engaging segment contacts with the push face of the cutter assembly; the second flexible connection element has a threaded bolt, a second washer, a second resilient spring, and a second aperture defined on a center of the second resilient spring and configured to receive the threaded bolt of the second flexible connection element so that the threaded bolt of the second flexible connection element is rotatably accommodated in a second connecting extension of the holding disc, the second washer is fixed between the second connecting extension and the second resilient spring, wherein the second resilient spring has a second limiting segment and a second engaging segment, wherein the second limiting segment abuts against a second defining fringe of the holding disc, and the second engaging segment contacts with the trench of the cutter assembly.