Mobile device having a movable display and associated systems and methods

1. A mobile communication device, comprising:

a first component having a front side and a first periphery edge;

a second component operably coupled to the first component and rotatably movable about the front side of the first component into at least first, second, and third operating positions,

wherein the second component includes a second periphery edge, and

wherein the first and second periphery edges remain generally parallel with each other as the second component rotatably moves between the first, second, and third operating positions; and

a gear assembly coupled among the first and second components and configured to rotatably move the second component relative to the first component, wherein the gear assembly comprises a gear assembly portion carried by the first component, the gear assembly portion including—

a first urging member;

a second urging member;

a first arm portion having a first end mated with and rotatably coupled to a first engagement feature carried by the first component and a second end coupled to the first urging member; and

a second arm portion having a first end mated with and rotatably coupled to a second engagement feature carried by the first component and a second end coupled to the second urging member.

2. The mobile device of claim 1 wherein the gear assembly comprises a second gear assembly portion, and wherein the gear assembly further comprises:

a first gear assembly portion carried by the second component, the first gear assembly portion including—

a first gear and a second gear adjacent to and generally coplanar with each other;

a third gear between and in contact with the first and second gears;

a first rotating feature carried by the first gear, and a second rotating feature carried by the second gear, wherein the first and second rotating features each include—

a front side in contact with the corresponding gear and a back side facing away from the corresponding gear; and

an engagement feature projecting away from the back side of the rotating feature and toward the first component.

3. The mobile device of claim 2 wherein the first and second gears are identical or approximately identical, and wherein the first and second gears have a first diameter, and further wherein the third gear has a second diameter less than the first diameter.

4. The mobile device of claim 2 wherein the first and second gears are configured to rotate in sync with each other in a first direction, and wherein the third gear is configured to rotate in a second direction opposite to the first direction.

5. The mobile device of claim 2 wherein:

the first urging member includes a first end fixedly attached to a base portion of the first component and a second end coupled to the first arm portion, and wherein the first urging member is configured to urge the first arm portion toward one or more desired angular orientations; and

the second urging member includes a first end fixedly attached to the base portion of the first component and a second end coupled to the second arm portion, and wherein the second urging member is configured to urge the second arm portion toward one or more desired angular orientations relative to the first arm portion.

6. The mobile device of claim 5 wherein the first and second urging members comprise generally V-shaped torsion springs.

7. The mobile device of claim 2 wherein:

the first rotating feature further comprises a first alignment feature, and the second rotating feature further comprises a second alignment feature, and wherein the first and second alignment features are configured to rotate in sync with the first and second gears, respectively; and

the second component further comprises one or more stops proximate to each of the first and second rotating features and positioned to engage the corresponding first and second alignment features and inhibit rotational movement of the first and second gears.

8. The mobile device of claim 7 wherein:

the second component includes a first stop and a second stop circumferentially offset from the first stop;

the first stop is positioned to inhibit rotational movement of the first and second gears when the second component is at the second operating position relative to the first component; and

the second stop is positioned to inhibit rotational movement of the first and second gears when the second component is at the third operating position relative to the first component.

9. The mobile device of claim 7 wherein the one or more stops are integral components of a housing of the second component.

10. The mobile device of claim 1 wherein the second component is configured to move along a curved path relative to the first component between (a) the first and second operating positions, and (b) the first and third operating positions.

11. The mobile device of claim 1 wherein the first periphery edge is a top edge of the first component, and the second periphery edge is a top edge of the second component.

12. The mobile device of claim 1 , further comprising a detent assembly configured to temporarily maintain the second component at a desired position relative to the first component.

13. The mobile device of claim 12 wherein the detent assembly comprises:

a first magnet carried by the first component; and

a second magnet carried by the second component and positioned relative to the first magnet to temporarily maintain the second component in the first operating position.

14. The mobile device of claim 1 wherein:

the first component further comprises a keyboard; and

the second component further comprises a display.

15. The mobile device of claim 1 , further comprising:

a display;

a communications component configured to exchange communications with the telecommunications network;

user input and output components, including audio components configured to facilitate voice communications and a keypad configured to facilitate text communications;

memory; and

a processor coupled among the display, the communications component, the memory, and the user input and output components.

16. A mobile communication device for use with a wireless telecommunications network, the mobile device comprising:

a first component having a front side aligned with a first plane;

a second component carried by the first component and having a display aligned with a second plane generally parallel to the first plane; and

a gear assembly operably coupled to the first and second components and configured to rotatably move the second component relative to the first component into discrete first, second, and third operational positions, wherein the gear assembly comprises—

a first gear rotatable about a first gear axis;

a first key feature carried by the first gear and projecting away from a back side of the first gear toward the first component;

a second gear rotatable about a second gear axis generally parallel with the first gear axis;

a second key feature carried by the second gear and projecting away from a back side of the second gear toward the first component, wherein the first and second key features are configured to rotatably move in sync with the first and second gears, respectively;

a first arm portion rotatably coupled to the first key feature;

a second arm portion rotatably coupled to the second key feature, wherein the first and second arm portions are configured to rotate about first and second arm axes, respectively, generally parallel with the first and second gear axes;

a first spring coupled between a base portion of the first component and the first arm portion; and

a second spring coupled between the base portion of the first component and the second arm portion, wherein the first and second springs are positioned to urge the first and second arm portions about the first and second arm axes, respectively; and

a third gear in contact with both the first and second gears and rotatable about a third gear axis generally parallel with the first and second gear axes;

wherein front sides of the first, second, and third gears are generally coplanar along a third plane, and wherein the third plane is generally parallel with the first and second planes, and

wherein the display remains generally aligned with the first and second planes as the second component moves between the first, second, and third operational positions.

17. The mobile device of claim 16 wherein the display is a first display, and wherein:

the first component further comprises a keyboard and a second display positioned on the front side and at least proximate to an edge of the first component, wherein the second display is aligned with the first plane.

18. The mobile device of claim 16 wherein the second component is configured to move along a nonlinear path between the first, second, and third operational positions.

19. The mobile device of claim 16 wherein the gear assembly is configured to rotatably move the second component between the first, second, and third operational positions via user manipulation of the second component.

20. The mobile device of claim 16 wherein the first gear is configured to rotate about the first axis at a first rotational speed, and the second gear is configured to rotate about the second axis in the same direction as the first gear at a second rotational speed identical or approximately identical to the first rotational speed, and wherein the third gear is configured to rotate in a direction opposite to the first and second gears.

21. The mobile device of claim 16 , further comprising:

two or more stand-offs positioned to inhibit rotational movement of the gear assembly when (a) the second component is at the second operational position relative to the first component, and (b) the second component is at the third operational position relative to the first component.