Patent ID: 8978214
Filing Date: 2015-03-17
Classification: A44B,Y10T

Abstract:
1. A seat belt buckle device that fixes a tongue plate provided at a seat belt, comprising an outer case into which the tongue plate is inserted; a latch member rotatably mounted within the outer case and configured to rotate in response to the insertion of the tongue plate into the outer case and latches the tongue plate; a release button slideably mounted within the outer case and configured to release latching of the tongue plate by the latch member by sliding into the outer case; and a counterweight mounted within the outer case and configured to be rotated by a force received from the release button while resisting sliding of the release button, wherein the counterweight has: a first rotating shaft rotatably supporting the counterweight with respect to the outer case; a second rotating shaft that is engaged with a bearing groove formed in the release button and configured to receive the force that rotates the counterweight due to the sliding of the release button, and the second rotating shaft having an outer circumferential surface including a first outer surface and a second outer surface, the first outer surface defining multiple portions of the outer circumferential surface along a virtual circle defined by the first outer surface, the second outer surface being a recessed portion that is recessed inward toward a center of the virtual circle, the second outer surface contacting the bearing groove of the release button when the release button slides into the outer case.