| 摘要 |
PURPOSE: A reinforcement device for a door frame is provided to increase the lateral stiffness of a frame since a B-pillar frame is extended downward as possible, and the lower end of the B-pillar frame is supported by a bracket. CONSTITUTION: A reinforcement device for a door frame comprises a B-pillar frame(12), a frame bracket(13), and a latch reinforcement(14). The B-pillar frame is extended from a belt inner rail(11) to the lower part of a vehicle body. The frame bracket surrounds the lower end of the B-pillar frame. One side of the frame bracket is triply overlapped with a door inner panel(15) and the latch reinforcement. The other side of the frame bracket is doubly overlapped with the door inner panel. The latch reinforcement is combined with the bottom of the frame bracket.
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