Foreign objects that have entered inside an insertion body are suppressed from reaching a detector side. In a buckle device, when a tongue plate is attached, an ejector slides downwards inside a buckle body, opening a through hole in a partitioning wall of...

The present invention provides a switch-equipped buckle device capable of accurately detecting an attachment-detachment state of a tongue plate by mounting fixed contacts immovably. The switch-equipped buckle device has, inside a buckle body, a slide switc...

A seat belt buckle (100) operable with a pretensioner (330) has a frame (102) with a first latch opening (126a) therein and opposing frame sides (108a, 108b), each side including a latch plate slot (110) arranged generally perpendicular to the direction of...