Patent attributes
The present invention relates to a connection device installed on a top of a canopy tent, comprising: a main body having a hollow interior, a sliding member having an interior with a downwardly protruding cylinder, support poles each having one end hinged to the main body, and the other end connected to a tent pole for standing the tent fabric upright, a joint bar having one end hinged to the sliding member, and the other end having one side hinged to a first connection bar hinged to the support pole and the other side hinged to a second connection bar hinged to the main body; The hollow interior of the main body is equipped with a compression spring and a spring holder. The cylinder of the sliding member is fitted into the hollow interior of the main body from the top of the hollow interior to be movable in the upward and downward directions to set up or taken of the tent canopy.
