Weighing scales – With weigher loading or unloading means – Jack
Patent
1985-11-15
1987-06-16
Miller, Jr., George H.
Weighing scales
With weigher loading or unloading means
Jack
177208, 177254, G01G 1952, G01G 504
Patent
active
046730486
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to scale devices for weighing freight and other items, that are of the type that are normally stored out of the way, and which can be raised into position to contact and weigh the freight.
2. Description of the Prior Art
An important consideration to manufacturers and shippers, is the ability to be able to quickly and easily obtain the weights of various items prior to shipment, which information is needed for calculating charges and is particularly desirable for goods being shipped by air, due to loading restrictions and other considerations.
The U.S. Pat. No. 3,587,670 to Linz discloses a rail-supported transfer vehicle for metallurgical vessels with means for weighing the load supporting thereon. The Linz structure includes an upper and lower carriage with a pressure measuring and load weighing device therebetween, which includes a hydraulic lifting device for the upper carriage, but which device lifts the entire carriage is not protected, nor is it of comparable structure to that of the invention.
Much freight is palletized and characteristically picked up at a variety of customer locations, and then taken to an airport cargo area, or truck terminal where the pallets are assembled with other goods to form a load. Time and space considerations require that structure be provided whereby freight can be weighed at the terminal dock prior to loading or, if desired, can be weighted on the pickup vehicle.
ln some instances, it is more convenient to be able to weigh the freight on the pickup vehicle, and then provide the actual weight to the terminal personnel who are assembling the load, or to be able to provide the weight to personnel who are unloading the freight for subsequent shipment, such as by air where weight considerations are of paramount importance.
The apparatus of my invention can be located at the terminal or on the pickup vehicle to weigh the freight, and provide concurrent advantages not found in prior methods of freight weighing.
SUMMARY OF THE INVENTlON
This invention relates to scale devices to be used at a stationary location or on a pickup vehicle such as a trailer, truck or other structure to obtain the weights of various items placed on the scale devices, and includes one or more retractible pneumatic scale assemblies for weighing.
The principal object of the invention is to provide scale devices that are capable of being stored out of the way until use.
A further object of the invention is to provide scale devices which permit of traffic thereon, in out of use position, without injury thereto.
A further object of the invention is to provide scale devices wherein the shock load on the device is minimized.
A further object of the invention is to provide scale devices which are simple and inexpensive to construct but sturdy and reliable in operation.
A further object of the invention is to provide scale devices which are suitable for weighing a wide variety of items at fixed or on movable structures.
Other objects and advantageous features of the invention will be apparent from the description and claims.
DESCRIPTION OF THE DRAWINGS
The nature and characteristic features of the invention will be more readily understood from the following description taken in connection with the accompanying drawings forming part hereof in which:
FIG. 1 is a top plan view, illustrating one embodiment of scale device of the invention, four being shown;
FIG. 2 is a vertical sectional view, enlarged, of the scale device of FIG. 1, taken approximately on the line 2--2 of FIG. 1;
FIG. 3 is a vertical sectional view, enlarged, of the scale device of FIG. 1, taken approximately on the line 3--3 of FIG. 1, and showing the device in stored out of use position;
FIG. 4 is a view similar to FIG. 3 showing the scale device in condition to contact an item for weighing;
FIG. 5 is a top plan view similar to FIG. 1 but showing eight scale devices; and
FIG. 6 is a vertical sectional view similar to FIG. 4 but showing another embodiment of th
REFERENCES:
patent: 3587760 (1971-06-01), Linz et al.
patent: 4589507 (1986-05-01), Curran
Miller Jr. George H.
Morgan Corporation
Wobensmith, III Z. T.
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