Patent ID: 11951611
Assignee: DELAWARE CAPITAL FORMATION, INC.
Field: Handling (Mechanical engineering)
Classification: CPC B  F  Y | IPC B  F

Claim 0:
1. 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 one-piece body, the piston element including a desired shape including a perimeter edge margin portion, defining a peripheral border of the desired shape, and a sealing element, the piston element has a sealing position wherein the sealing element and the piston element perimeter edge margin portion, engage to close off the vacuum passageway to atmosphere and, in turn, closing the venting element and a venting position wherein the vacuum passageway is open to atmosphere; and
when the pressurized air supply is activated to supply pressurized air to the vacuum generating device, the piston element is moved into the sealing position and at least a partial vacuum is generated in the vacuum passageway.