Patent ID: 7836607
Filing Date: 2010-11-23
Classification: D06F

Abstract:
1. A drum assembly of a laundry dryer, comprising: a cylindrical drum main body that is formed through a seam-welding process, the seam-weld being located only on the cylindrical portion of the drum main body; a drum head comprising a main head rim having a predetermined width in a direction toward a rotating shaft of the drum main body, the main head rim being coupled to a first end of the drum main body and provided with a plurality of elevated portions, and a support sleeve bent outwards from an end of the main head rim; a drum rear wall coupled to a second end of the drum main body and provided with a plurality of hot wind introducing holes; and a lift coupled to an inner circumference of the drum main body to lift the laundry, wherein the cylindrical portion is provided with at least one penetration hole that is a predetermined distance apart from the first end and the second end of the drum main body, and wherein the lift is provided at a bottom surface with a positioning projection to be inserted into the penetration hole.