| 摘要 |
PURPOSE: A guide rail typed cover is provided to improve the installing/releasing convenience of a seat and to prevent accidents of an operator by guiding a roller under the seat through a cover portion on a car body floor. CONSTITUTION: A cover(3) with a first guide rail(4) and a second guide rail(5) is loaded on a floor. A first and a second strikers(7,8) are located in the first and the second guide rails by penetrating. The ends of the first and the second strikers are fixed through bolts. In moving a releasing seat into a car body, a front roller of the releasing seat sets its initial position in the sill of the cover and a rear roller sets its initial position in the floor. In giving tensile force, the releasing seat is slid through the first guide rail. A ratchet of the releasing seat is combined with the first striker and another ratchet is combined with the second striker by loading in the second guide rail. Thereby, the operating load is reduced and the accident is prevented.
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