Patent ID: 7681603
Filing Date: 2010-03-23
Classification: B25B,B25J,B65G,F04F,Y10T

Abstract:
1. An automatic release vacuum device for a material handling system, the automatic release vacuum device comprising: a unitary body adapted to connect to a pressurized air supply, the unitary 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 unitary body; a piston element housed in the unitary body, the piston element disposed along an axis in the unitary body, and being movable along the axis 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.