Patent ID: 7011307
Filing Date: 2006-03-14
Classification: B65H

Abstract:
1. A paper sheet detection apparatus comprising: a conveying device which conveys a paper sheet along a conveying surface; a detection device which is provided opposite to the conveying surface and detects the paper sheet conveyed by the conveying device; a guide device which is provided in at least a paper sheet take-in side of the detection device and includes a pair of guide members disposed opposite to each other at both sides of the conveying surface, wherein one of the pair of guide members is fixed and the other guide member is movable relative to the one guide member; at least one nozzle which is provided in each of the guide members; an energizing device which elastically energizes the other guide member toward the one guide member; and a gas supply device which generates a clearance between the pair of guide members by moving the other guide member against the energizing force of the energizing device, by supplying compressed gas to the pair of guide members and ejecting the gas from the nozzles between the pair of guide members.