Onboard weight indicator for vehicles
First Claim
1. An outboard weighing device for measuring the weight of, or a load applied to, a vehicle having dual axles, said device comprising:
- a vertically oriented transducer coupled at an upper end with a fixed point on said vehicle and at a lower end with said vehicle axles for measuring the distance between said fixed point and said axles and then transmitting an electrical signal corresponding to said distance;
a mounting carriage extending between said axles and coupling said transducer lower end with said axles at a position intermediate the axles; and
means for allowing longitudinal movement of said mounting carriage in response to relative movement of said axles to maintain said transducer in a substantially vertical orientation.
1 Assignment
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Accused Products
Abstract
An onboard device for determining the weight of a vehicle. A transducer is coupled at one end with a fixed point on the vehicle and is coupled at the other end with a single or tandem axle of the vehicle. The transducer measures the change in distance between the fixed point and the axle and sends an electrical signal to a display unit. The display unit processes the signal and displays the vehicle weight which corresponds to the signal received from the transducer. An upper carriage mounts the upper end of the transducer to the fixed point on the vehicle. A lower carriage couples the lower end of the transducer with the axle. Telescoping pipes shield the transducer. A grade compensating device corrects the signal generated by the transducer to compensate for nonlevel surfaces.
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Citations
10 Claims
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1. An outboard weighing device for measuring the weight of, or a load applied to, a vehicle having dual axles, said device comprising:
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a vertically oriented transducer coupled at an upper end with a fixed point on said vehicle and at a lower end with said vehicle axles for measuring the distance between said fixed point and said axles and then transmitting an electrical signal corresponding to said distance; a mounting carriage extending between said axles and coupling said transducer lower end with said axles at a position intermediate the axles; and means for allowing longitudinal movement of said mounting carriage in response to relative movement of said axles to maintain said transducer in a substantially vertical orientation. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An onboard weighing device for measuring the weight of, or a load applied to, a vehicle having dual axles, said device comprising:
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a generally horizontally oriented transducer coupled with said vehicle for measuring the distance between a fixed point on the vehicle and said axles and then transmitting an electrical signal corresponding to said distance; an upper mounting carriage coupling a first end of said transducer with said vehicle; a lower mounting carriage extending between said axles; a generally vertically oriented linkage pivotally coupling a second end of said transducer with said lower mounting carriage at a position intermediate the axles; and means for allowing longitudinal movement of said lower mounting carriage in response to relative movement of said axles to maintain said linkage in a substantially vertical orientation. - View Dependent Claims (8, 9, 10)
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Specification