Device for detecting the thickness of a paper sheet

Details Device for detecting the thickness of a paper sheet Device for detecting the thickness of a paper sheet

1980-09-12

1983-03-29

Schacher, Richard A.

Sheet feeding or delivering

Feeding

With means to interrupt feeding

209603, 209604, B65H 712

Patent

active

043781098

ABSTRACT:
A device for detecting the thickness of paper sheet such as bank note used for a paper sheet transfer system comprises a thickness detection roll rotatably supported at a free end of a pivotal lever and urged against a paper sheet transfer roll, via a paper sheet when the paper sheet is transferred therebetwen. The pivotal lever is pivotally supported by a lever mounting unit, which is detachably mounted on a frame of the transfer system. The lever mounting unit is positioned in a predetermined mounting position by positioning pins and locked at that position by a fixing means including a toggle mechanism. With a change of the thickness of paper sheet being transferred the gap between an electromagnetic sensor mounted in the frame and a corresponding sensing surface of the lever is changed, and thereby the paper sheet thickness is electromagnetically detected.

REFERENCES:
patent: 4127266 (1978-11-01), Williams
patent: 4132402 (1979-01-01), Morrison

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