Auto-release vacuum device

摘要

An automatic release vacuum device for a material handling system, the automatic release vacuum device comprising:
a one piece body adapted to connect to a pressurized air supply, the one piece body including a vacuum passageway and a venting element, the vacuum passageway operable to vent to atmosphere through the venting element;
a vacuum generating device housed in the one piece body;
a piston element disposed in the unitary body and being movable between a sealing position closing off the vacuum passageway to atmosphere and a venting position opening the vacuum passageway to atmosphere; and
when the piston element is in the sealing position and when the pressurized air supply is activated to supply pressurized air to the vacuum generating device at least a partial vacuum is generated in the vacuum passageway.