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An apparatus includes a bag to carry one or more objects on the back of a person, and a cushion for connection to a surface of the bag. The cushion is used for making substantially continuous contact with the back when the bag is carried on the back. The apparatus may be a backpack or any other type

An apparatus includes a bag to carry one or more objects on the back of a person, and a cushion for connection to a surface of the bag. The cushion is used for making substantially continuous contact with the back when the bag is carried on the back. The apparatus may be a backpack or any other type of bag.

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1. An apparatus comprising: a bag to carry one or more objects on a back of a person, the bag having a bottom horizontal surface;a central wheeled device that is deployable from the bag while the bag is worn on the back of the person, the central wheeled device comprising:a wheel;a rod having a firs

1. An apparatus comprising: a bag to carry one or more objects on a back of a person, the bag having a bottom horizontal surface;a central wheeled device that is deployable from the bag while the bag is worn on the back of the person, the central wheeled device comprising:a wheel;a rod having a first end connected to the wheel; anda matching portion for accepting a second end of the rod, the matching portion located substantially in the middle of the bottom horizontal surface of the bag; andan activation switch to deploy the central wheeled device from a stored position to a deployed position;wherein the wheel resides adjacent to the matching portion when the central wheeled device is in the stored position, and wherein the central wheeled device is configured to make contact with the ground to support at least a portion of a weight of the bag while the bag is worn on the back of the person when the central wheeled device is in the deployed position, and wherein the bag is one of the group consisting of a backpack, a school bag, a golf bag, and a baby bag. 2. The apparatus of claim 1, wherein the wheel comprises an omni wheel. 3. The apparatus of claim 1, wherein a length of the central wheeled device is adjustable via the rod. 4. The apparatus of claim 1, wherein at least part of the central wheeled device is detachable from the apparatus. 5. An apparatus for carrying one or more objects on a back of a person, the apparatus comprising: a pack configured to hold the one or more objects, the pack having a top end and a bottom end having a bottom horizontal surface;a handle attached to the top end of the pack, the handle having two rings on opposite lateral ends of the handle;two straps having first ends that are attached to the two rings of the handle and second ends that are attached to the pack towards the bottom end of the pack;a central wheeled device that is deployable from the pack while the pack is worn on the back of the person, the central wheeled device comprising:a wheel;a rod having a first end connected to the wheel; anda matching portion for accepting a second end of the rod, the matching portion located on the bottom horizontal surface of the pack; andan activation switch to deploy the central wheeled device from a stored position to a deployed position;wherein the wheel resides adjacent to the matching portion when the central wheeled device is in the stored position, and wherein the central wheeled device is configured to make contact with the ground to support at least a portion of a weight of the pack while the pack is worn on the back of the person when the central wheeled device is in the deployed position. 6. The apparatus of claim 5, wherein the apparatus comprises a backpack. 7. The apparatus of claim 5, further comprising a device for connection to a back surface of the pack, the device having sufficient elasticity to conform to a contour of the back of the person. 8. The apparatus of claim 7, wherein the device comprises a cushion. 9. The apparatus of claim 8, wherein the cushion has a thickness of at least one inch. 10. A backpack for carrying one or more objects on a back of a person, the apparatus comprising: a pack configured to hold the one or more objects, the pack having a back surface, a top end and a bottom end having a bottom horizontal surface;a cushion for connection to the back surface of the pack, the cushion for making substantially continuous contact with the back when the pack is carried on the back;a handle attached to the top end of the pack;two shoulder straps having first ends that are attached to the handle and second ends that are attached to the pack towards the bottom end of the pack such that, when the pack is worn on the back of the person, an angle between the cushion and the back is sufficiently small to cause the force exerted on the back to be reduced by 50% relative to a conventional backpack;a central wheeled device that is deployable from the pack while the pack is worn on the back of the person, the central wheeled device comprising:an omni wheel;a rod having a first end connected to the wheel; anda matching portion for accepting a second end of the rod, the matching portion located on the bottom horizontal surface of the pack; andan activation switch to deploy the central wheeled device from a stored position to a deployed position;wherein the wheel resides adjacent to the matching portion when the central wheeled device is in the stored position, and wherein the central wheeled device is configured to make contact with the ground to support at least a portion of a weight of the pack while the pack is worn on the back of the person when the central wheeled device is in the deployed position. 11. The backpack of claim 10, wherein lengths of the shoulder straps are adjustable. 12. The backpack of claim 10, wherein the cushion comprises micro-fiber. 13. The backpack of claim 10, wherein the cushion comprises cotton. 14. The backpack of claim 10, wherein the cushion is inflatable. 15. The backpack of claim 10, wherein the cushion comprises memory foam material. 16. The backpack of claim 10, wherein the cushion is attached to the pack via an adhesive. 17. The backpack of claim 10, wherein the cushion is adjustable. 18. The backpack of claim 10, wherein the shape of the cushion is circular. 19. The backpack of claim 10, wherein the shape of the cushion is rectangular. 20. The backpack of claim 10, wherein a thickness of the cushion is more than 1 inch. 21. The backpack of claim 10, wherein a thickness of the cushion is less than 4 inches. 22. The backpack of claim 10, wherein the shoulder straps have shoulder pads that can be locked to specific positions. 23. The backpack of claim 22, wherein the specific positions are at the top of the shoulders of the person.