Measuring and testing – Frictional resistance – coefficient or characteristics
Patent
1992-09-11
1994-12-20
Chilcot, Jr., Richard E.
Measuring and testing
Frictional resistance, coefficient or characteristics
73159, 271263, G01N 356, G01N 1902
Patent
active
053737237
ABSTRACT:
An apparatus for determining friction between a support roller and a rubber roller comprising an adjustable horizontal seat board, a pivoted stand supporting a pivot spindle in parallel to the seat board, an adjustable horizontal pressure pad for applying even downward pressure, a clamping and driving assembly for clamping two ends of the rubber roller, a support roller for supporting one end of the paper, a paper holding device with rollers below for holding the other end of the paper, a load cell in connection with the paper holding device for conveying a pull from generated friction, and a set of weights for selecting to be placed on the horizontal pressure pad. In use, the rubber roller, evenly pressing on one end of the paper, may be driven into turning at a fixed speed to allow a relatively accurate frictional factor to be detected.
REFERENCES:
patent: 3360978 (1968-01-01), Shinn
patent: 3902363 (1975-09-01), Ishimoto
patent: 4453404 (1984-06-01), Powell et al.
patent: 4494747 (1985-01-01), Graef et al.
patent: 4632718 (1986-12-01), Shimizu
patent: 4938071 (1990-07-01), Kobayashi et al.
patent: 5116035 (1992-05-01), Russel et al.
Chilcot Jr. Richard E.
Oen William L.
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