Spray gun with regulated pressure feed paint cup
Patent 5119992 Issued on June 9, 1992. Estimated Expiration Date: 
February 11, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 11, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2757048 2886252 3547350 Self-contained portable pressure apparatus and hand gun assembly Spray gun assembly Pressure feed paint cup Patent #: 5054687 InventorAssigneeApplicationNo. 653712 filed on 02/11/1991US Classes:239/364, Parallel pressure flows to holder and pressure reducer239/337, Fluid pressure discharge means239/373Means to pressurize contents of holderExaminersPrimary: Kashnikow, AndresAssistant: Morris, Lesley D. Attorney, Agent or FirmForeign Patent References
International ClassB05B 007/24AbstractAn improved paint spray gun with a regulated pressure feed paint cup. High pressure air is supplied through a hose and a fitting to the spray gun handle. The air pressure is reduced to a low pressure high volume flow within the gun for atomizing the paint. The inlet of a pressure regulator is connected through a quick connect fitting directly to the gun handle for receiving high pressure air. The regulator outlet is connected through a flexible hose to a barbed fitting on a check valve on a paint cup lid for applying a controlled paint feed pressure to the cup. The location of the regulator does not adversely affect the maneuverability or balance of the gun during use and the regulator can be quickly disconnected from the gun to facilitate cleaning the gun.Field of SearchFluid pressure discharge meansPressure reducer at holder outlet Holder coupled to gas supply source Parallel pressure flows to holder and pressure reducer Branched flow from main stream to holder Air and liquid flow paths combine upstream of spray outlet Unitary mounting for pressure fluid inlet and liquid outlet Air and liquid flow paths combine upstream of spray outlet Air and liquid flow paths combine upstream of spray outlet Means to pressurize contents of holder | |
