Paper sheet pickup device and paper sheet processing apparatus

Sheet conveyance apparatus and image forming apparatus provided with the same

Paper sheet pickup device

FLOW CHANNEL OPENING AND CLOSING DEVICE AND SHEET HANDLING APPARATUS

Valve device and paper sheet pickup apparatus

Paper sheet takeout device with air supply port directed differently than negative pressure chamber opening

Multiple sequenced rotational air valves for vacuum transport

Paper sheet pickup device

Valve unit and paper sheet takeout device

Device for cycling blast or suction air in a sheet processing machine

Positioning device for a rotationally displaceable positioning element