Patent ID: 7748139

Claim:
A laundry dryer comprising: a dryer drum in which laundry is to be loaded; a lower housing located at and coupled to an outer side of a rear wall of the dryer drum by a coupling member; an upper housing seated on the lower housing; a journal bearing including a bearing inserted between the upper and lower housings, and a shaft coupled to the bearing; and a sealing member covering an upper portion of the upper housing and a portion of the shaft, wherein the shaft includes a shaft body inserted in the upper housing and a coupling portion extending from an end of the shaft body, an outer circumference of the coupling portion provided with a thread, wherein the sealing member includes a body portion and a rubber seal covering the body portion through an insert injection molding process, the rubber seal including: a lower portion surrounding an outer circumference of the upper housing; an upper portion having an inner layer extended radially inward from the upper portion, and an outer layer extended radially inward from the upper portion and layered on the inner layer, end portions of the inner and outer layers enclosing said outer circumference of the coupling portion to prevent the lubricant in the housings from being leaked along the outer circumference of the shaft, and wherein the inner layer contacts an outer surface of the shaft body.