Embodiments relate to a power assisted wheelbarrow. The wheelbarrow includes a dumping pan and a frame assembly in contact with the dumping pan. The frame assembly includes handles, a dump brace, one or more dumping pan supports and a resting support. The wheelbarrow also includes an electrical cont
Embodiments relate to a power assisted wheelbarrow. The wheelbarrow includes a dumping pan and a frame assembly in contact with the dumping pan. The frame assembly includes handles, a dump brace, one or more dumping pan supports and a resting support. The wheelbarrow also includes an electrical control assembly positioned in proximity to the handles, a wheel assembly including an axel positioned transversely between two wheels, an electrical motor assembly positioned in contact with the axel and in electrical contact with the electrical control assembly, a power supply supported by the frame assembly in electrical contact with the electrical control assembly and electrical motor assembly. Wherein the dump brace includes a curvature of about ninety degrees such that when a user dumps the contents of the dumping pan, the dump brace rolls into contact with the ground and prevents the dumping pan from contacting the ground.
대표청구항▼
1. A power assisted wheelbarrow, comprising: a dumping pan;a frame assembly in contact with the dumping pan, the frame assembly including: handles;a dump brace;one or more dumping pan supports; anda resting support;an electrical control assembly positioned in proximity to the handles;a wheel assembl
1. A power assisted wheelbarrow, comprising: a dumping pan;a frame assembly in contact with the dumping pan, the frame assembly including: handles;a dump brace;one or more dumping pan supports; anda resting support;an electrical control assembly positioned in proximity to the handles;a wheel assembly including an axle positioned transversely between two wheels;an electrical motor assembly positioned in contact with the axle and in electrical contact with the electrical control assembly, the electrical motor positioned forward of the axle;a power supply supported by the frame assembly in electrical contact with the electrical control assembly and electrical motor assembly;wherein the dump brace includes a curvature of about ninety degrees such that when a user dumps the contents of the dumping pan, the dump brace rolls into contact with the ground and prevents the dumping pan from contacting the ground, and wherein the electrical motor is located proximate to a pivot point defined between the dump brace and ground to reduce force required to tilt the wheelbarrow. 2. The power assisted wheelbarrow of claim 1, wherein the dumping pan comprises a plastic. 3. The power assisted wheelbarrow of claim 1, wherein the framing assembly comprises aluminum. 4. The power assisted wheelbarrow of claim 1, wherein the electrical control assembly further comprises a control switch. 5. The power assisted wheelbarrow of claim 4, wherein the control switch controls a forward speed, reverse and on/off. 6. The power assisted wheelbarrow of claim 1, wherein the power supply comprises two or more batteries. 7. The power assisted wheelbarrow of claim 1, wherein the power supply comprises primary batteries. 8. The power assisted wheelbarrow of claim 1, wherein the power supply comprises secondary batteries. 9. The power assisted wheelbarrow of claim 1, wherein the power supply comprises a 12 volt direct current battery. 10. The power assisted wheelbarrow of claim 1, wherein the power supply comprises a 24 volt direct current battery. 11. The wheelbarrow of claim 1, wherein the dump brace includes first and second members having ends proximate to and connected to the frame assembly and distal ends connected to one another to form a U-shape, wherein the distal end of the dump brace is not in contact with the front lip of the dumping pan. 12. The wheelbarrow of claim 11, wherein the one or more dumping pan supports extends from a point between proximate and distal ends of the first and second members and the dumping pan. 13. The wheelbarrow of claim 1, wherein the curvature of the dump brace is non-constant. 14. The wheelbarrow of claim 13, wherein the curvature of the dump brace has an increasing radius at a distal end furthest from the axle. 15. A wheelbarrow, comprising: a dumping pan;a frame assembly in contact with the dumping pan, the frame assembly including: handles;a dump brace including first and second members having ends proximate to and connected to the frame assembly and distal ends connected to one another to form a U-shape, wherein the distal end of the dump brace is located close to but not in contact with a front lip of the dumping pan;one or more dumping pan supports, wherein the one or more dumping pan supports extend from a point between proximate and distal ends of the first and second members and the dumping pan; anda resting support;a wheel assembly including an axle positioned transversely between two wheels;wherein the dump brace includes a curvature of about ninety degrees such that when a user dumps the contents of the dumping pan, the dump brace rolls into contact with the ground and prevents the dumping pan from contacting the ground, and prevents force from being applied to the front lip of the dumping pan. 16. The wheelbarrow of claim 11, wherein the curvature of the dump brace is non-constant. 17. The wheelbarrow of claim 16, wherein the curvature of the dump brace has an increasing radius at a distal end furthest from the axle.
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이 특허에 인용된 특허 (17)
Donze Pierre (“Clos Varegues”St. Andrieux 76930 Octeville/Mer FRX) Frank Jean P. (3 rue des Songes 68850 Staffelfelden FRX), Balanced multi-wheel wheelbarrow.
Mawhinney James G. (421 Cummer Ave Willowdale North York ; Ontario CAX M2M 2G3) Anderson Smity A. (65A Emmett Avenue #1502 Toronto ; Ontario CAX M6M 2E5), Wheelbarrow.
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