| 摘要 |
PURPOSE: A flap door opening fixing structure of a bus is provided to control the opening degree of a low-price type flap door in which the air cylinder is not mounted using a saw tooth latch and a ratchet. CONSTITUTION: A flap door opening fixing structure of a bus comprises a car body bracket(3), a flap bracket(4), and first and second links(5,6). The car body bracket is fixed on the both ends of a car body frame. The flap bracket is fixed to the upper side of a flap door(1). The one end of the first and second links is combined in the lower and upper sides of car body bracket with shafts(5a,6a). The other ends of the first and second links are combined in the flap bracket with a shaft. A latch(20), a ratchet and leaf spring are installed on the side of the flap bracket.
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