Patent ID: 11885366
Assignee: AOYAMA SEISAKUSHO CO., LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A piercing nut comprising:
an internal thread formed at a center of a nut main body;
a ring-shaped punching part protruding around an outer periphery of the internal thread;
a ring-shaped groove formed around an outer periphery of the ring-shaped punching part; and
a bearing surface protruding around an outer periphery of the ring-shaped groove, wherein
an inner peripheral wall and an outer peripheral wall of the ring-shaped punching part form a tapered shape; and
the ring-shaped punching part has a height equal to or lower than that of the bearing surface, and
wherein the outer peripheral wall of the ring-shaped punching part is angled upwardly and outwardly from a bottom surface of the ring-shaped groove.