Boss for Self-Tapping Screw

摘要

A boss for a self-tapping screw is described including a main body having an inner peripheral surface and an outer peripheral surface, a plurality of reinforcing ribs connected with an outer peripheral surface, and a plurality of inner wall portions extending parallel to the central axis, each of the plurality of inner wall portions being disposed at a portion of the inner peripheral surface opposite across the main body to a corresponding one of the plurality of reinforcing ribs, each of the plurality of inner wall portions including a specific portion opposite to the corresponding one of the plurality of reinforcing ribs across the main body, the specific portion being closer to the central axis than other portions of the each of the inner wall portions.

主权项

1. A boss for a self-tapping screw comprising:
a main body having a central axis, an inner peripheral surface, and an outer peripheral surface, the inner peripheral surface and the outer peripheral surface extending parallel to the central axis; a plurality of reinforcing ribs connected with the outer peripheral surface of the main body, the plurality of reinforcing ribs each having a plate-like shape, the plurality of reinforcing ribs being integrally formed of resin with the main body; and a plurality of inner wall portions extending parallel to the central axis of the main body, each of the plurality of inner wall portions being disposed at a portion of the inner peripheral surface opposite to a corresponding one of the plurality of reinforcing ribs across the main body, each of the plurality of inner wall portions having an inner wall surface constituting a part of the inner peripheral surface of the main body, wherein each of the plurality of inner wall portions includes a specific portion opposite to the corresponding one of the plurality of reinforcing ribs across the main body, the specific portion being closer to the central axis than other portions of the each of the inner wall portions.