BUCKLE, SEAT-BELT REMINDER APPARATUS USING THE BUCKLE, AND SEAT-BELT APPARATUS HAVING THE SEAT-BELT REMINDER APPARATUS

摘要

A buckle (6) according to the present invention includes a buckle switch (11) to be actuated when a tongue (5) is retained; a seat-belt reminder apparatus (12) that gives a warn when the tongue (5) is not retained to the buckle (6) even if an occupant sits in a vehicle seat (2); and an occupant detection device (13) for detecting the occupant sitting in the vehicle seat (2) that are integrally provided and unitized. Thereby, the buckle (6) has a seat-belt reminder function.