Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1989-08-30
1990-07-03
Raevis, Robert
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
73159, G01N 320
Patent
active
049380710
ABSTRACT:
A device for detecting the degree of deterioration of bank notes has a driving rotary body and a detection rotary body, which are a pair of oppositely disposed rollers each having alternately disposed enlarged diameter portions and annular grooves. These enlarged portions and the grooves of the two rotary bodies are in staggered, opposed relationship so that when a bank note is conveyed between the two rotary bodies, the note is deformed into a wave shape. The rotation of the driving rotary body influences the rotary movement of the detection rotary body depending on the stiffness of the bank note in the wave shape. When the bank note is new and stiff, the influence is strong, while when the bank note is old and deteriorated with a small stiffness, the influence is small. Such influence is detected from variation in rotary movement of the detection rotary body to which a predetermined rotational characteristic is given by a resistance imparting device.
REFERENCES:
patent: 4365508 (1982-12-01), Loftus
patent: 4682105 (1987-07-01), Thorn
Akashi Makoto
Kobayashi Tetsuji
Kusaka Shigeru
Yoshikawa Takahiro
Clory Kogyo Kabushiki Kaisha
Raevis Robert
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