초록

In one embodiment of the invention, a multiple mode portable wheeled backpack includes: a backpack section and an extended trailing section that is removably coupled to the backpack section, wherein the extended trailing section includes a plurality of wheels.

대표청구항 ▼

1. A multiple mode portable wheeled backpack comprising: a backpack section comprising a first vertical frame member, a second vertical frame member, a top frame member that is between and that is connected to the first vertical frame member and second vertical frame member, and a third frame member

1. A multiple mode portable wheeled backpack comprising: a backpack section comprising a first vertical frame member, a second vertical frame member, a top frame member that is between and that is connected to the first vertical frame member and second vertical frame member, and a third frame member that is between and that is connected to the first vertical frame member and second vertical frame member; andan extended trailing section that is removably coupled to the backpack section, the extended trailing section comprising a first frame member, a second frame member, a rear frame member that is between and that is connected to the first frame member and second frame member, and a front frame member that is between and that is connected to the first frame member and second frame member;wherein the extended trailing section includes a plurality of wheels comprising a left auxiliary wheel and a right auxiliary wheel;a steering and brake assembly unit comprising a housing, a rear primary wheel, and a brake system coupled to the rear primary wheel;a first hand brake controller coupled to the extended trailing section;a steering handle comprising at least one grip and a second hand brake controller coupled to the at least one grip;a plurality of quick release couplers including a first quick release coupler, a second quick release coupler, a third quick release coupler, a fourth quick release coupler, and a fifth quick release coupler;wherein the first vertical frame member of the backpack section and the first frame member of the extended trailing section are removably coupled via the first quick release coupler;wherein the second vertical frame member of the backpack section and the second frame member of the extended trailing section are removably coupled via the second quick release coupler;wherein the steering and brake assembly unit and the third frame member of the backpack section are removably coupled via the third quick release coupler in a backpack trailing mode, the steering and brake assembly unit including the housing, rear primary wheel, and brake system;wherein the steering handle and the top frame member of the backpack section are removably coupled via the fourth quick release coupler in the backpack trailing mode;wherein the second hand brake controller is removably coupled to the brake system in the backpack trailing mode; andwherein the steering and brake assembly unit and the rear frame member of the extended trailing section are removably coupled via the fifth quick release coupler in a passenger mode, the steering and brake assembly unit including the housing, rear primary wheel, and brake system;wherein the first hand brake controller is removably coupled to the brake system in the passenger mode. 2. The portable wheeled backpack of claim 1, wherein any one of the plurality of quick release couplers comprises: an outer shell, a plurality of catches for receiving an indentation of a shaft, wherein each one of the catches are coupled to an inner wall of the outer shell by a corresponding spring, and a plurality of shaped members coupled to the inner wall and a plurality of rollers, each one of the rollers coupled to an associated one of the catches, wherein each one of the shaped members latches with an associated one of the rollers. 3. The wheeled backpack of claim 1, further comprising an engine removably coupled to the extendable trailing section. 4. The wheeled backpack of claim 1, further comprising a backpack cargo removably coupled to the backpack section. 5. The wheeled backpack of claim 1, further comprising a cargo box removably coupled to the extended trailing section. 6. A multiple mode portable wheeled backpack comprising: means for a backpack section comprising a first vertical frame member, a second vertical frame member, a top frame member that is between and that is connected to the first vertical frame member and second vertical frame member, and a third frame member that is between and that is connected to the first vertical frame member and second vertical frame member; andmeans for an extended trailing section that is removably coupled to the backpack section means, wherein the extended trailing section means, the extended trailing section means comprising a first frame member, a second frame member, a rear frame member that is between and that is connected to the first frame member and second frame member, and a front frame member that is between and that is connected to the first frame member and second frame member;wherein the extended trailing section means includes a plurality of wheels comprising a left auxiliary wheel and a right auxiliary wheel;a steering and brake assembly unit comprising a housing, a rear primary wheel, and a brake system coupled to the rear primary wheel;a first hand brake controller coupled to the extended trailing section means;a steering handle comprising at least one grip and a second hand brake controller coupled to the at least one grip;a plurality of quick release couplers including a first quick release coupler, a second quick release coupler, a third quick release coupler, a fourth quick release coupler, and a fifth quick release coupler;wherein the first vertical frame member of the backpack section means and the first frame member of the extended trailing section means are removably coupled via the first quick release coupler;wherein the second vertical frame member of the backpack section means and the second frame member of the extended trailing section means are removably coupled via the second quick release coupler;wherein the steering and brake assembly unit and the third frame member of the backpack section means are removably coupled via the third quick release coupler in a backpack trailing mode, the steering and brake assembly unit including the housing, rear primary wheel, and brake system;wherein the steering handle and the top frame member of the backpack section means are removably coupled via the fourth quick release coupler in the backpack trailing mode;wherein the second hand brake controller is removably coupled to the brake system in the backpack trailing mode; andwherein the steering and brake assembly unit and the rear frame member of the extended trailing section means are removably coupled via the fifth quick release coupler in a passenger mode, the steering and brake assembly unit including the housing, rear primary wheel, and brake system;wherein the first hand brake controller is removably coupled to the brake system in the passenger mode. 7. The wheeled backpack of claim 6, wherein any one of the plurality of quick release couplers comprises: an outer shell, a plurality of catches for receiving an indentation of a shaft, wherein each one of the catches are coupled to an inner wall of the outer shell by a corresponding spring, and a plurality of shaped members coupled to the inner wall and a plurality of rollers, each one of the rollers coupled to an associated one of the catches, wherein each one of the shaped members latches with an associated one of the rollers. 8. The wheeled backpack of claim 6, wherein the wheeled backpack is configured in a motorized mode. 9. A method of assembling a multiple mode portable wheeled backpack, the method comprising: forming a backpack section comprising a first vertical frame member, a second vertical frame member, a top frame member that is between and that is connected to the first vertical frame member and second vertical frame member, and a third frame member that is between and that is connected to the first vertical frame member and second vertical frame member;forming an extended trailing section that is removably coupled to the backpack section, the extended trailing section comprising a first frame member, a second frame member, a rear frame member that is between and that is connected to the first frame member and second frame member, and a front frame member that is between and that is connected to the first frame member and second frame member;wherein the extended trailing section includes a plurality of wheels comprising a left auxiliary wheel and a right auxiliary wheel;forming a steering and brake assembly unit comprising a housing, a rear primary wheel, and a brake system coupled to the rear primary wheel;forming a first hand brake controller coupled to the extended trailing section;forming a steering handle comprising at least one grip and a second hand brake controller coupled to the at least one grip;forming a plurality of quick release couplers including a first quick release coupler, a second quick release coupler, a third quick release coupler, a fourth quick release coupler, and a fifth quick release coupler;wherein the first vertical frame member of the backpack section and the first frame member of the extended trailing section are removably coupled via the first quick release coupler;wherein the second vertical frame member of the backpack section and the second frame member of the extended trailing section are removably coupled via the second quick release coupler;wherein the steering and brake assembly unit and the third frame member of the backpack section are removably coupled via the third quick release coupler in a backpack trailing mode, the steering and brake assembly unit including the housing, wheel, and brake system;wherein the steering handle and the top frame member of the backpack section are removably coupled via the fourth quick release coupler in the backpack trailing mode;wherein the second hand brake controller is removably coupled to the brake system in the backpack trailing mode; andwherein the steering and brake assembly unit and the rear frame member of the extended trailing section are removably coupled via the fifth quick release coupler in a passenger mode, the steering and brake assembly unit including the housing, wheel, and brake system;wherein the first hand brake controller is removably coupled to the brake system in the passenger mode. 10. The method of claim 9, wherein any one of the plurality of quick release couplers comprises: an outer shell, a plurality of catches for receiving an indentation of a shaft, wherein each one of the catches are coupled to an inner wall of the outer shell by a corresponding spring, and a plurality of shaped members coupled to the inner wall and a plurality of rollers, each one of the rollers coupled to an associated one of the catches, wherein each one of the shaped members latches with an associated one of the rollers.