Apparatus for detecting the thickness of documents

Details Apparatus for detecting the thickness of documents Apparatus for detecting the thickness of documents

1998-08-26

2000-11-07

Fulton, Christopher W.

Geometrical instruments

Gauge

Continuous gauging

3350103, 271274, G01B 300, B65H 502

Patent

active

061418838

ABSTRACT:
A thickness detector is provided for detecting the thickness of envelopes containing documents. The thickness detector detects the thickness of the envelopes at a plurality of points along the length of the envelopes as the envelopes are conveyed along a transport path. The thickness detector includes a fixed roller and a follower roller forming a nip. The follower roller is rotatably mounted on a follower arm that is pivotable relative to the fixed roller. A semi-rigid connecting rod connects the follower arm to a damper that dampens the reciprocal movement of the follower arm.

REFERENCES:
patent: 2659154 (1953-11-01), Rendel
patent: 3665743 (1972-05-01), Frohling
patent: 5659968 (1997-08-01), Leifeld
patent: 5762332 (1998-06-01), Haroutel et al.
patent: 5971392 (1999-10-01), Lee

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