Rolling collapsible travel luggage

1. A rolling luggage bag comprising:

a cover fixedly coupled to a base, the base including a first side opposite a second side and a bottom face extending there between;

a first wheel and a second wheel coupled to the base, the first and second wheels configured to rotate about an axis of rotation and separated by a first distance along the axis of rotation, at least a portion of each of the first and second wheels projecting from the first side and from the bottom face; and

a third wheel and a fourth wheel coupled to the bottom face, the third and fourth wheels configured to independently swivel about a respective swivel axis and separated by a second distance extending between the swivel axes;

wherein when the rolling luggage bag is in an upright position, the first, second, third, and fourth wheels all contact a surface the rolling luggage bag stands on; and

wherein the rolling luggage bag further comprises a plurality of rail members positioned on a portion of the cover, and a plurality of rail extensions positioned on the base, wherein when the rolling luggage bag is in the upright position each rail member engages one of the plurality of rail extensions to form a bumper that extends from the base along a portion of the cover.

2. The rolling luggage bag of claim 1 , wherein the first distance is greater than the second distance.

3. The rolling luggage bag of claim 1 , wherein the rolling luggage bag is configured to be movable along the surface through rotation of the first, second, third, and fourth wheels.

4. The rolling luggage bag of claim 1 , wherein the cover includes a handle on a side of the cover aligned with the first side.

5. The rolling luggage bag of claim 1 , wherein the rolling luggage bag is pivotable about the axis of rotation into a titled position such that the first and second wheels are in rolling contact with the surface, and the third and fourth wheels are removed from rolling contact with the surface, and wherein the rolling luggage bag is movable along the surface in the tilted position.

6. A collapsible luggage bag comprising:

a back portion connected to a first side portion and a second side portion;

a front flap removably connected to the first side portion, the second side portion, and the back portion by a connection member;

a base connected to the back portion, the first side portion, the second side portion, and the front flap;

a first wheel and a second wheel coupled to the base, the first and second wheels configured to rotate about an axis of rotation and separated by a first distance along the axis of rotation, at least a portion of each of the first and second wheels projecting from the first side and from a bottom face; and

a third wheel and a fourth wheel coupled to the bottom face, the third and fourth wheels configured to independently swivel about a respective swivel axis and separated by a second distance extending between the swivel axes;

wherein the base is fixedly connected to the back portion;

wherein the first and second side portions pivot away from each other about respective folds between the respective side portion and the back portion when the front flap is at least partially removed;

wherein when the rolling luggage bag is in an upright position, the first, second, third, and fourth wheels all contact a surface the rolling luggage bag stands on; and

wherein the rolling luggage bag further comprises a plurality of rail members positioned on a portion of the cover, and a plurality of rail extensions positioned on the base, wherein when the rolling luggage bag is in the upright position each rail member engages one of the plurality of rail extensions to form a bumper that extends from the base along a portion of the cover.

7. The collapsible luggage bag of claim 6 , wherein the first and second side portions are each at an oblique angle with respect to the back portion when the first and second side portions pivot away from each other.

8. The collapsible luggage bag of claim 6 , wherein when the first and second side portions pivot away from each other, the first side portion, second side portion, and back portion define a butterfly opening.

9. The collapsible luggage bag of claim 6 , further comprising a first panel zone and a second panel zone, each of the panel zones extending around a circumference defined by a portion of the back portion, first side portion, second side portion, and the front flap, the first panel zone being proximate the base, and the second panel zone offset from the first panel zone away from the base.

10. The collapsible luggage bag of claim 9 , wherein the panels of the first panel zone have a greater stiffness than the panels of the second panel zone.

11. The collapsible luggage bag of claim 9 , wherein the second panel zone includes an arcuate portion of the front flap.

12. The collapsible luggage bag of claim 6 , wherein the first side portion is opposite the second side portion.

13. The collapsible luggage bag of claim 6 , wherein the connection member is a zipper.

14. The collapsible luggage bag of claim 13 , wherein the zipper includes at least two sliders.

15. The collapsible luggage bag of claim 6 , wherein the front side of the base is on the same side of the luggage bag as the front flap, and the back side of the base is on the same side of the luggage bag as the back portion.

16. The collapsible luggage bag of claim 6 , wherein when the luggage bag is standing in an upright position, all of the wheels contact a surface the luggage bag is standing on.

17. The collapsible luggage bag of claim 6 , wherein the first and second side portions include an arcuate edge, and the back portion includes an end edge, the arcuate edges and end edge removably connect to the front flap.