Apple Researching Mac Pro's 'Cheese Grater' Design for Other Devices Like iPhone

Apple is researching expanding the 2019 Mac Pro's distinctive "cheese grater" lattice design to other devices, including the iPhone and a "trashcan"-style ‌Mac Pro‌, according to a newly granted patent filing.

Cheesegrater iPhone and Trashcan Pro 2
Apple introduced an innovative milled lattice pattern on the ‌Mac Pro‌ and Pro Display XDR in 2019, which is created by machining a spherical array into the internal and external surfaces of the aluminum. The result is a lightweight lattice pattern that maximizes airflow while creating an extremely rigid structure.

The new patent, first spotted by Patently Apple and granted by the U.S. Patent and Trademark Office, is titled "Housing construction" and covers expanding the lattice pattern to other devices, such as the ‌iPhone‌.

iphone lattice pattern patent frame

The patent explains that "recent advances in electronic devices have enabled high levels of performance," but many existing housing solutions are unable to "effectively distribute or reject heat generated by the electronic device to the surrounding environment," thereby curtailing "the levels of performance of such devices."

Apple believes that its lattice pattern presents a solution to this problem, since it increases a device's surface area for better cooling and can more effectively "conduct heat away from a component of the electronic device positioned substantially adjacent to the first surface of the body."

These enhanced levels of heat removal, as described above, can result in significant performance gains for the electronic device and can allow for the use of components or operating levels that heretofore may not have been achievable with existing three-dimensional structures.

In improving cooling, devices with the lattice pattern could push their processors to higher temperatures for better performance.

Illustrations included in the filing demonstrate how a miniaturized version of the lattice pattern could be milled directly into the ‌iPhone‌'s outer frame and rear.

iphone lattice pattern patent disassembly

As well as significantly improving thermals, this could also improve grip, "provide a unique and pleasing look and feel," and give "a pleasing experience when handling the device."

In some cases, a three-dimensional structure can include a relatively intricate repeating pattern that, in addition to enhancing heat removal capabilities and providing stiffness, provides a visually interesting or aesthetically pleasing effect to the user. Such a three-dimensional structure, for example when used as a housing, can also include a variety of colors on one or more regions of the housing to enhance the visual appearance and provide a pleasing aesthetic experience to the user.

Another advantage of the lattice pattern is improved structural strength without increasing the thickness or weight of components.

When used as a housing or other structural component of an electronic device, a three-dimensional structure as described herein can provide a high level of strength and stiffness to weight ratio to the device. Traditional structures often achieve enhanced stiffness or strength by thickening or enlarging certain portions of the structure, often resulting in an increase in the weight and size of the electronic device, which may not be desirable to a user. The three-dimensional structures described herein can include, for example, a matrix of passageways that serves to greatly enhance the stiffness of the three-dimensional structure, without significantly increasing the size or weight of the structure. Thus, a relatively lightweight, yet extremely strong and stiff electronic device can be produced.

Another embodiment covers embedding the lattice internally inside the ‌iPhone‌ to improve rigidity and strength, allowing "the electronic device to be used over a long period of time while maintaining dimensional stability."

iphone lattice pattern patent structure

The patent also mentions how the lattice structure "can act as shielding for the electronic device, while still allowing for air flow there through," particularly as a shield against electromagnetic interference (EMI) and/or electromagnetic compatibility (EMC) noise.

In addition to the ‌iPhone‌, Apple appears to have resurrected the divisive design of the 2013 ‌Mac Pro‌, informally dubbed the "trashcan" ‌Mac Pro‌, to demonstrate alternate embodiments for the lattice pattern.

iphone lattice pattern patent trashcan

Given that the lattice pattern debuted on the 2019 tower ‌Mac Pro‌, it is interesting to see some of the latest ‌Mac Pro‌'s design aspects implemented on an older model.

Although reversion to the trashcan-style design may seem more likely amid the transition to Apple silicon for a next-generation ‌Mac Pro‌, the machine is in fact expected to look more like the Mac mini.

While patent filings cannot be taken as solid evidence of the Apple's plans for actual consumer hardware, they can provide an interesting insight into the company's areas of research. At a minimum, this patent indicates that Apple may be planning to bring its unique lattice pattern to more devices in the future, but only time will tell.

Tag: patent

Top Rated Comments

MrGimper Avatar
8 months ago
Someone a bit trigger-happy posting an April Fool article?
Score: 57 Votes (Like | Disagree)
now i see it Avatar
8 months ago
that'll be fun to keep clean
Score: 37 Votes (Like | Disagree)
Le0M Avatar
8 months ago
What about water resistance?
Score: 27 Votes (Like | Disagree)
skottichan Avatar
8 months ago
I'd be down for an M-Series iMac with that design aesthetic, but my god, I live in a super dusty area. I'd have to invest in canned air company stock.
Score: 19 Votes (Like | Disagree)
nikhsub1 Avatar
8 months ago
That would be cool!
Score: 16 Votes (Like | Disagree)
hidekigomi Avatar
8 months ago
Cleaning nightmare??
Score: 13 Votes (Like | Disagree)

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