Laundry treating apparatus

1. A laundry treating apparatus comprising:

an outer cabinet which forms an exterior of the laundry treating apparatus;

an inner cabinet provided in the outer cabinet for providing a space for holding clothes;

a supply unit portion for supplying hot air or steam to an inside of the inner cabinet, selectively;

a frame for securing the outer cabinet fixedly to the inner cabinet and supporting an outside circumferential surface of the inner cabinet, the frame including:

a plurality of body frames provided in a height direction of the inner cabinet;

at least one side frame provided in an outward direction from each lateral side of the inner cabinet to connect the body frames;

a rear frame provided in a rear side direction of the inner cabinet to connect the body frames; and

a top frame provided to a top side of the inner cabinet;

an air gap bracket provided between the top side of the inner cabinet and the top frame, the air gap bracket forming a top side air gap having a predetermined distance between the top side of the inner cabinet and the top frame; and

a moving hanger which is configured to provide a horizontal reciprocating motion to the clothes, the moving hanger including a hanger bar, a motor, a power converting portion for converting a rotation motion from the motor into a linear horizontal motion of the hanger bar, and a power transmission portion for transmission of power from the motor to the power converting portion,

wherein the motor and the power transmission portion are positioned at the top side air gap, and

wherein the outer cabinet includes at least one strength reinforcing portion provided to an inside circumferential surface thereof to reinforce strength of the outer cabinet.

2. The laundry treating apparatus as claimed in claim 1 , further comprising:

at least one air gap frame projected inward toward each lateral side of the inner cabinet from a corresponding side frame of the side frames, the air gap frames forming side air gaps having a predetermined distance between the outside circumferential surface of the inner cabinet and the outer cabinet.

3. The laundry treating apparatus as claimed in claim 1 , further comprising:

an air gap boss projected from the rear side of the inner cabinet toward the rear frame, the air gap boss forming a rear side air gap having a predetermined distance between the rear side of the inner cabinet and the outer cabinet.

4. The laundry treating apparatus as claimed in claim 1 , wherein the inner cabinet comprises an upper body and a lower body, and

wherein the upper body includes an upper rib extended toward the lower body and the lower body includes a lower rib provided to be in contact with the upper rib.

5. The laundry treating apparatus as claimed in claim 4 , wherein a cover portion is detachable from the upper rib or the lower rib.

6. The laundry treating apparatus as claimed in claim 4 , wherein the upper rib further includes a rib receiving portion for receiving the lower rib.

7. The laundry treating apparatus as claimed in claim 4 , further comprising:

a cover portion for covering a coupling surface of the upper body and the lower body and preventing hot air or steam from leaking.