Patent ID: 7467832
Filing Date: 2008-12-23
Classification: B29C,H04N

Abstract:
1. A cabinet, comprising: a front structure having one or more gas injection holes with gas inlets and passages through which a high-pressure gas is injected into a resin to form the front structure by gas assist injection molding; the front structure, further including a front wall having a center opening and peripheral parts; side walls extending backward from peripheral parts of the front wall; the peripheral parts connect the front wall and the side walls, and have a thickness that is greater than the thickness of the side walls and other parts of the front wall, with the passages formed in the peripheral parts of the front wall; plurality of joining structures, with a joining structure of the plurality of joining structures comprising: a support structure; a substantially cylindrical boss integrally formed with the support structure; the substantially cylindrical boss having a center axis extending perpendicularly to the front wall, and including a hole for receiving a fastening member; the support structure, comprising: a first reinforcing rib joined directly to a side surface of the substantially cylindrical boss; the first reinforcing rib includes: first, second, and third reinforcing rib elements having a first side that directly couple with the side surface of the substantially cylindrical boss and are spaced apart at approximately 90 degrees along an outer circumference of the substantially cylindrical boss; the first, second, and third reinforcing elements of the first reinforcing rib having a second side that directly couple with an inner surface of the side walls; the first, second, and third reinforcement elements of the first reinforcement rib having a third side that coupled the side wall with the substantially cylindrical boss; the third side of the first reinforcement element of the first reinforcement rib having a first edge that is sloped upwards from the side wall towards the substantially cylindrical boss, forming a smooth, incurvate edge; the third side of the second and third reinforcement elements of the first reinforcement rib having an edge that includes a first section that is oriented substantially parallel with the peripheral part, a second section that is contiguous with the first section and that is oriented substantially perpendicular with the peripheral part, a third section that is contiguous with the second section and that slopes at an angle upwards towards substantially cylindrical boss, and a fourth section that is contiguous with the third section and oriented substantially parallel with the peripheral part; a second reinforcing rib directly coupled with the inner surface of the side wall, extending from the third reinforcing element of the first reinforcing rib toward the peripheral parts of the front wall, terminating at a position at a predetermined distance from the peripheral parts of the front wall, away from the passages; and a tapered third reinforcing rib tapered toward the peripheral parts of the front wall, extending from the second reinforcing element of the first reinforcing rib toward the peripheral parts of the front wall and having one end joined to the second reinforcing rib.