Portable weighing system

Details Portable weighing system Portable weighing system

2007-10-16

2007-10-16

Gibson, Randy W (Department: 2841)

Weighing scales

Collapsible, foldable, knockdown

C177S144000

Reexamination Certificate

active

11442081

ABSTRACT:
A hospital bed weighing system includes four carriage assemblies and a frame assembly. Each of the four carriage assemblies includes a wheel support member for receiving and supporting one of the four wheels of a typical hospital bed. Two caster wheels are mounted at opposite ends of each carriage assembly by a load cell. Inputs from the load cells is analyzed and displayed by a weight display unit which may be calibrated to weigh a bed occupant by subtracting out the weight of the supported bed. The four carriage assemblies are positioned relative to each other by an adjustable frame assembly which is designed to not transfer substantial loads between the carriage assemblies. Since the carriage assemblies are supported by caster wheels, a bed supported by the weighing system may be moved about substantially as if it were rolled upon its own wheels.

REFERENCES:
patent: 3338323 (1967-08-01), Swersey
patent: 3961675 (1976-06-01), Siegel
patent: 4281730 (1981-08-01), Swersey et al.
patent: 4926951 (1990-05-01), Carruth et al.
patent: 5172781 (1992-12-01), Hlavinka et al.
patent: 6765154 (2004-07-01), Sternberg
patent: 02-203219 (1990-08-01), None

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