In the non-ignoble name of "greater ergonomic comfort," BlackBerry-maker Research In Motion has filed a U.S. patent application for a rotatable keyboard.

Unlike some more complicated RIM patents that require an engineering degree to understand, this one's fairly simple.

The Abstract for 20070008292, Mobile Device For Rotatable Keyboard, explains what's being proposed:

"A mobile device is provided having a rotatable keyboard. The keyboard is attached to the mobile device and is rotatable in a single plane with respect to the device's housing between a first and second position," the Abstract says. :A plurality of keys are provided having first indicia in a first orientation relating to key functions in the first position and second indicia in a second orientation relating to key functions in the second position.

"The indicia are properly oriented with respect to the user in the first and second positions to display a telephone keypad and an alternate keyboard," RIM says. "The arrangement provides greater ergonomic comfort to a user when entering text. The mobile device can assign functions to each key based on a determined keyboard position and can include a weighted end piece to protect the rotatable keyboard from potential damage due to impact."

Sounds good to me. Looks good to me as well.

But how 'bout you? Would you want a rotatable keyboard?