Three Apple patents have appeared at the U.S. Patent & Trademark Office that show Apple is working on ways to simplify the production of its various portable computing devices.
Patent number 20120194998 is for a portable computing device that can take many forms such as a laptop computer, a tablet computer, and so on. The portable computing device can include at least a single piece housing. The single piece housing can be machined from a single billet of material, such as a billet of aluminum. The single piece housing can include ledges with a surface receiving a trim bead and a cover. Corner brackets can be attached to the single piece housing to improve the damage resistance of the housing.
Here's Apple's background on the invention: "In recent years, portable computing devices such as laptops, PDAs, media players, cellular phones, etc., have become small, light and powerful. One factor contributing to this reduction in size can be attributed...| Read more »