Horizontal pull slipmeter

Details Horizontal pull slipmeter Horizontal pull slipmeter

1989-03-01

1990-01-23

Chapman, John

Measuring and testing

Frictional resistance, coefficient or characteristics

G01N 1902

Patent

active

048950157

ABSTRACT:
An improvement in a Horizontal Pull Slipmeter (HPS) enables more accurate and more rapid coefficient of friction measurements to be made upon walking surfaces. The improvement involves a specialized interaction between a drag sled and a stationary pulling mechanism which in conventional HPS devices, are seperate entities. The specialized interaction utilizes paired tracks which extend from the pulling mechanism and serve to guide the drag sled. The pulling mechanism utilizes a motor which is automatically activated when the HPS is placed on the walking surface and pulls the drag sled at a constant speed.

REFERENCES:
patent: 4081989 (1978-04-01), Majcherezyk
Standart Test Method for Static Slip Resistance of Footwear Sole, Heel or Related Materials by Horizontal Pull Slipmeter (ASTM), 1984.

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