Shear force measurement device for beds and method

Details Shear force measurement device for beds and method Shear force measurement device for beds and method

1999-06-18

2000-10-17

Noori, Max

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

73770, G01N 322, G01B 716

Patent

active

061314692

ABSTRACT:
The present invention is a device to measure the parallel shear force on a mattress. The device has a motor, a weighted object, a high friction material pad, and a load cell. The motor moves by pushing and pulling the weighted object on the high friction material pad which is on the mattress. The load cell measures the peak shear force when the weighted object is pulled and when the weighted object is pushed.

REFERENCES:
patent: 4140008 (1979-02-01), Golemebeck et al.
patent: 4669302 (1987-06-01), Wagner et al.
patent: 4794935 (1989-01-01), Viesturs
patent: 5148706 (1992-09-01), Masuda et al.

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