US 8,418,324 B2 · Tongue and method of manufacturing the same

Abstract

In a tongue used in a seat belt system, a tongue main body 25 including a belt insertion hole 23 in which to insert a seat belt 3 is provided with an insertion part 27 in a projecting manner. The insertion part 27 is capable of being inserted in a buckle in the seat belt system, and includes a lock hole 27a to which a lock piece included in the buckle is capable of being locked. A front surface of the insertion part 27 is formed into a concave and convex surface by being provided with multiple convex parts 29 or multiple concave parts. The convex parts 29 or the concave parts included in a rear surface of the tongue are formed corresponding to the convex parts 29 or the concave parts included in the front surface. A height of each convex part 29 from a reference position or a depth of each concave part from the reference position is 0.01 mm to 0.10 mm.

Claims9

Dependent claims

A tongue used in a seat belt system, comprising:

a tongue main body including a belt insertion hole in which to insert a seat belt;
an insertion part being capable of being inserted in a buckle in the seat belt system, including a lock hole to which a lock piece included in the buckle is capable of being locked, the insertion part projecting from the tongue main body;
and
a plurality of convex parts being formed on a front surface of the insertion part so as to remain a plane part between the plurality of convex parts on the front surface of the insertion part.

1 more element

Dependencies are inferred from the claim text.

Tongue and method of manufacturing the same

Life of this patent

Tongue and method of manufacturing the same

Life of this patent

Abstract

Claims9