Measuring and testing – Frictional resistance – coefficient or characteristics
Patent
1995-08-28
1996-11-19
Raevis, Robert
Measuring and testing
Frictional resistance, coefficient or characteristics
G01N 1902
Patent
active
055764789
ABSTRACT:
A portable apparatus for testing slip resistance of surfaces such as floors and bathtub surfaces operated by applying a pad of friction material to the surface and instantaneously applying a load to the pad at a selected angle. The load is applied by releasing a weight carried atop an articulated linkage on the bottom of which the friction pad is attached. The linkage slides in a frame which can be set at selected angles on a base, and a trigger bar mounted in the frame interacts with a rod of the articulated linkage to hold and release the weight.
REFERENCES:
patent: 4759209 (1988-07-01), Brungraber
patent: 5259236 (1993-11-01), English
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