Front step installation structure of expansion and contraction type portable viewing seat

摘要

(57) Abstract (Modified) Topic In lower part of deck boards of single stage eye of expansion and contraction type portable viewing seat hurontosutetsupu operativity to be good taking in and out to be possible safely easily,The ru way you install effectively and make possible. Solutions To a parallel interval to the lower part of deck boards 2of a the single stage eyeBefore it is low in front and back rank of board body 3a and 3b which perpendicular facilities are done rear highly in the same way tiltDiagonal before doing, the guide channel 4 and the rear guide channel 5 forma facilities to do, the front guideThe person in charge stopping channel 4of a the downward look forma facilities is done, to the front destal of the channel 4. Rear mothTo construct leaf spring 6 to the rear end vicinity of the ido channel 5, in the toe of switchIn rear upper part rank of the front step 8 which possesses fore-leg 7,Before the destal fits to the front guide channel 4, slide axis 9 and the destalAfter fitting to the rear guide channel 5, the same height as slide axis 10So to parallel interval, the destal of rack sticking and slide axis 9,10 the mothSliding to the top of the ido channel 4,5, rear slide axis 10When destal side the person in charge it is stopped by leaf spring 6, front stepThe whole 8 is enclosed to the lower part of deck boards 2of a the single stage eye.