Slip meter for determination of surface slip resistance

Measuring and testing – Frictional resistance – coefficient or characteristics

Reexamination Certificate

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Reexamination Certificate

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06981400

ABSTRACT:
A slip resistance measuring device features a magnetic actuator pivotally mounted on a portable frame positioned on a test surface to apply a linear force to a test specimen for engagement with the test surface at a preselected inclination angle thereto. The linear force is applied to the test specimen through a strain gauge plate which thereby undergoes stress sensed by a load cell mounted thereon from which strain stress signals are delivered under automatic testing operation to provide slip resistance measurement data for the test surface.

REFERENCES:
patent: 4315426 (1982-02-01), Brandon
patent: 4798080 (1989-01-01), Brungraber
patent: 5259236 (1993-11-01), English
patent: 5689058 (1997-11-01), Yuan
patent: 5736630 (1998-04-01), Welner
patent: 6813960 (2004-11-01), Nagy et al.

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