| 主权项 |
1. A tent having a retractable roof, comprising:
a plurality of poles extending substantially perpendicular to the ground, wherein at least one of the plurality of poles comprises an upper pole and a lower pole; a roof frame fastened to the plurality of poles and a tarpaulin attached on the roof frame; and a connection mechanism comprising a connection plate, wherein a lower end of the connection plate is fastened to an upper end of the lower pole by welding, wherein a plurality of first through holes are disposed at a lower end of the upper pole, wherein a plurality of second through holes are disposed at a top end of the connection plate corresponding to the first through holes disposed at the lower end of the upper pole, and wherein a plurality of bolts inserted into the first through holes and corresponding second through holes detachably connect the upper pole and the lower pole. |
