Patent ID: 8438697

Claim:
A vacuum cleaner comprising: a main body; a suction port assembly connected to the main body; and an extension pipe assembly detachably attached to the main body, wherein the main body comprises: a suction motor; a dust collection unit; a main body frame; a locking member for selectively locking the extension pipe assembly to the main body frame; a detaching button for selectively detaching the locking member from the extension pipe assembly; a pushing member for moving the extension pipe assembly according to the locking member being detached from the extension pipe assembly; a locking member spring for applying an elastic force to the locking member to return the locking member to its initial position after the detaching button is pressed and then released; and a detaching button spring for applying an elastic force to the detaching button to return the detaching button to its initial position after the detaching button is pressed and then released, and wherein the suction port assembly and the extension pipe assembly each fluidly connects selectively with the dust collection unit.