| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a portable chute which is of an assembling type, portable, and highly versatile with respect to a width of an opening to be fitted.SOLUTION: A chute removably installed to an opening 10 has: an air chamber 2 which is swollen by a gas injected from outside; an air supply device for injecting the gas in the air chamber 2 or a connection part 7 provided to be connected to an air supply pipe from the air supply device; a plurality of loops 6 provided for one end part side 3a in a longitudinal direction of the air chamber 2; and a rod body 11 which is inserted in the loop 6 and indirectly engages the air chamber 2 with the opening 10. There is a gap between the loops 6. The rod body 11 is longer than the width of the opening 10, by left and right both ends of the rod body 11 being engaged with left and right both ends of the opening 10, the air chamber 2 is removably fixed to the opening 10, and the air chamber 2 is extended outside the opening 10.</p> |
