Buckle, and seat belt apparatus including this

摘要

A seat belt buckle for receiving a tongue connected to a seat belt webbing. The buckle includes a first ejector spring in a position out of an area α of the path of movement of an engagement portion of the tongue and an imaginary extended area β extended from the area α in the direction of movement of the engagement portion, and on the outer side of a base. A second ejector spring is provided in a position out of at least one of the area α and the imaginary extended area β, and on the outer side of the base 8. A bracket for fixing the buckle to the vehicle body can be provided closer to a tongue insertion hole, thereby reducing the length of the buckle in the tongue insertion direction.

主权项

1. A buckle comprising:
a base; a tongue insertion hole into which an engagement portion of a tongue is inserted; a latch member supported by the base movably between a non-engaged position where the latch member cannot be engaged with the engagement portion of the tongue inserted through the tongue insertion hole and an engaged position where the latch member can be engaged with the engagement portion of the tongue inserted through the tongue insertion hole; a release operation member that moves the latch member in the engaged position toward the non-engaged position; an ejector that is movably provided in the base and that presses the engagement portion of the tongue inserted through the tongue insertion hole in a direction in which the engagement portion separates from the tongue insertion hole; and an ejector spring that urges the ejector toward the tongue insertion hole, wherein the whole of the ejector spring is provided in a position out of an area of the path of movement of the engagement portion of the tongue inserted through the tongue insertion hole and an imaginary extended area extended from the area of the path of movement of the engagement portion of the tongue in the direction of movement of the engagement portion.