Patent ID: 7272872

Claim:
A suction port assembly of a vacuum cleaner, the suction port assembly being connected in fluid communication with a cleaner body through one or more extended flow passages which include at least one of an extension pipe and an extension hose, the suction port assembly comprising of: a suction head having a suction hole formed at a bottom surface; at least one first connection member extending from one side of the suction head; a second connection member rotatably connected at one end to an exit end of the first connection member and rotatable about a first axis to move upwardly and downwardly with respect to the suction head, and the other end of the second connection member being connected with the extended flow passage; and a third connection member engaging the second connection member with the extended flow passage being in fluid communication therewith, whereby the third connection member rotates with respect to the second connection member about a second axis which is substantially perpendicular to the first axis, and the second connection member including a first connection opening connected in fluid communication with the suction hole and located at the end which is connected with the third connector member, and a first connection boss extending from an inner sidewall of the second connection member toward the first connection opening, the first connection boss having a screw piercing hole at a lower end thereof, wherein air is drawn in through the suction hole during the vacuum cleaning operation, passes through the first connection member and the second connection member and into the extended flow passage.