The present invention relates to a jumping device for a two-seat jump sheet, wherein the upper end is hinged with the jump seat lower frame 10 hinged to the upper frame of the double seat, and the lower frame 11 of the lower seat 11 ) And the main frame 12 to be bolted coupling, the lock groove to interlock the lock shaft 14 and the lock 13 having the lock 13 on the inside, top, bottom of the main frame 12 Horizontally fixing the latch shaft 16 to which the latch 15 having (5, 6) is fixed; Connecting locks (13) on both sides of the lock shaft (14), the actuating levers (17) actuating to disengage from the latches (15) by rotating the lock (13) forward; A one-sided spring (18) provided between the lock (13) on one side fixed to the lock shaft (14) and the main frame (12) to assist the lock (13) in the original position after the rotation; The spring guide 20 is fixed to the center of the latch shaft 16 to be connected to the upper end of the main frame 12 and the spring 21 so as to rotate upward by the spring 21 when the lock 13 is released; Fixing the operation plate 25 on both sides of the latch shaft 16 is hinged to the front of the lower frame 10 of the jump seat to serve as a support leg for supporting the jump sheet and to cover the bottom surface when the jump sheet is folded Hinge connection between both sides of the cover panel 26 is characterized in that the unfolding and folding of the jump sheet is free.;The present invention as described above by connecting the operation plate on the latch shaft located in the main frame to the folding operation of the cover plate to the front cover panel to prevent the phenomenon of the jump sheet flows when riding the board. And, it is an invention having a number of advantages, such as to protrude the operating lever to both sides of the main frame to facilitate the operation of the lever to facilitate the jumping operation of the jump seat.
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