Motorized attachment for pulled wagons
OwnerLouis TanChing Yuaninventor
Life of this patent
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Abstract
A motorized attachment to a utility wagon is provided. In one aspect, the attachment may include at least an adjustable frame for attaching to the wagon. In another aspect, the frame supports a power source, which may be disposed below the frame or above the frame. The frame, in a further embodiment, may further attach to a motor coupled or encased in a driving wheel. In one embodiment, the driving wheel may be disposed or positioned between the two existing front wheels of the wagon. In a further example, the driving wheel may include a tire with about 4″ to 6″ (in width) deep treated tire. The attachment may further include a control or a trigger to energize the motor and the driving wheel so that it provides the needed motion to assist the wagon.
Claims18
A motorized apparatus for a utility wagon comprising:
- a main frame for attaching to a body of the utility wagon;
- a power source attached to the main frame or the body;
- a motor coupled to a driving wheel, wherein the driving wheel is disposed on the main frame and adjacent to a handle of the utility wagon;
- a spring connection disposed between the driving wheel and a front end of the main frame;
- wherein the power source provides electrical power to the motor;
- and
- a control for energizing the motor to drive the driving wheel.
An add-on motorized apparatus for a load carrying device comprising:
- a main frame for attaching to a body of the load carrying device, wherein the main frame is disposed below the body of the load carrying device;
- a power source attached to the main frame or the body;
- a motor coupled to a driving wheel, wherein the driving wheel is disposed at a front end of the main frame and adjacent to a handle of the load carrying device, wherein the motor comprises an in-wheel hub motor;
- a spring connection is disposed between the driving wheel and a front end of the main frame;
- wherein the power source provides electrical power to the motor;
- and
- a control for actuating the electrical power provided to the motor to drive the driving wheel.
A motorized utility wagon comprising:
- a main frame for attaching to a body of a utility wagon;
- a power source attached to the main frame or the body;
- a motor engaging with a driving wheel, wherein the driving wheel is disposed on the main frame and adjacent to a handle of the utility wagon;
- a spring connection disposed at the driving wheel and a front end of the main frame;
- wherein the power source provides electrical power to the motor;
- and
- a control for energizing the motor to drive the driving wheel.
Dependencies are inferred from the claim text.