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US 7,002,083 B2Granted
Hand truck weighing device and weighing method
OwnerGerald S. Simonsinventor
Life of this patent
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Abstract
The invention includes a device for and a method of weighing. A device according to the invention is a hand truck having weight sensors in each toe-portion. A method according to the invention uses such a hand truck to provide a weight signal corresponding to the weight of an object on the hand truck.
Claims22
A hand truck comprising:
- a first toe-portion having a first roller and a first weight sensor, wherein the first roller has an axle and a wheel disposed about the axle, and the first weight sensor is mounted to the axle;
- a second toe-portion having a second roller and a second weight sensor;
- a bulkhead connecting the first toe-portion and the second toe-portion, and having a third roller.
A method of weighing, comprising:
- providing a hand truck having a first toe-portion, a second toe-portion and a bulkhead connecting the first toe-portion and the second toe-portion, each toe-portion having a weight sensor mounted thereon, and wherein the first toe-portion includes a roller having an axle and a wheel disposed about the axle, and the first weight sensor is mounted to the axle;
- placing an object on the hand truck;
- receiving at least one weight-signal from at least one of the weight sensors;
- displaying information corresponding to the weight signal.
1 more element
A hand truck comprising:
- a first toe-portion having a first roller and a first weight sensor;
- a second toe-portion having a second roller and a second weight sensor;
- a bulkhead connecting the first toe-portion and the second toe-portion, the bulkhead having a third roller that includes an axle and a wheel disposed about the axle, and wherein the hand truck further comprises a third weight sensor mounted to the axle.
A method of weighing, comprising:
- providing a hand truck having a first toe-portion, a second toe-portion and a bulkhead connecting the first toe-portion and the second toe-portion, each toe-portion having a weight sensor mounted thereon, and wherein the bulkhead has a roller that includes an axle, a wheel disposed about the axle, and a third weight sensor mounted to the axle;
- placing an object on the hand truck;
- receiving at least one weight-signal from at least one of the weight sensors;
- displaying information corresponding to the weight signal.
1 more element
Dependencies are inferred from the claim text.