Abstract: A paint sprayer includes a cart assembly supporting a motor and a fluid intake conduit. The cart assembly has a frame with a pair of spaced-apart legs for supporting the cart assembly in an upright position, a telescoping handle movable between a retracted and extended handle position, an upper bracket, a lower bracket and a pivoting support bracket movable between a stowed position and a support position. The pivoting support bracket supports the cart assembly in an inclined position between the upright position and a horizontal position of the cart assembly. The cart assembly has a pair of lower wheels for rolling the cart assembly when tilted back from the upright position and a pair of upper wheels disposed on the telescoping handle for rolling the cart assembly along with the pair of lower wheels when in the horizontal position.

Abstract: A paint sprayer includes a cart assembly supporting a motor and a fluid intake conduit. The cart assembly has a frame with a pair of spaced-apart legs for supporting the cart assembly in an upright position, a telescoping handle movable between a retracted handle position and an extended handle position, an upper bracket projecting from the telescoping handle and a telescoping support movable between a retracted support position and an extended support position. The telescoping support supports the cart assembly in an inclined position between the upright position and a horizontal position of the cart assembly. The cart assembly has a pair of lower wheels for rolling the cart assembly when tilted back from the upright position and at least one upper wheel disposed on the telescoping handle for rolling the cart assembly along with the pair of lower wheels when in the horizontal position.

Abstract: An extension paint spray-roller system includes a hydraulic paint spray extension system to which is mounted a paint roller system for use in combination. The hydraulic paint spray extension system includes an on-off control valve/handle communicating with a source of high pressure paint and connected via a straight-through swivel joint to a pole extension having a spray tip mounted at the oppositive end. A paint roller system is mounted to the paint spray extension system by a mounting system which permits a commercially available off-the-shelf paint roller to be utilized with the system.

Abstract: An extension paint spray-roller system includes a hydraulic paint spray extension system to which is mounted a paint roller system for use in combination. The hydraulic paint spray extension system includes an on-off control valve/handle communicating with a source of high pressure paint and connected via a straight-through swivel joint to a pole extension having a spray tip mounted at the oppositive end. A paint roller system is mounted to the paint spray extension system by a mounting system which permits a commercially available off-the-shelf paint roller to be utilized with the system.

Abstract: There is provided an airless paint spray pump wherein the pump is a double acting piston pump having an inlet communicating with a source of paint, a motor for driving the pump, a pressure controller for controlling the pressure of the pressurized paint delivered by the pump, and a filter for filtering the paint delivered by the pump. The pump includes features which increase the accessibility of the components thereof, prevent the incorrect installation of the seal packings in the pump cylinder, and allow the assembly of the piston in the pump cylinder properly aligned with the cylinder so as not to damage the seal packings therein.

Abstract: There is provided an airless paint spray pump wherein the pump is a double acting piston pump having an inlet communicating with a source of paint, a motor for driving the pump, a pressure controller for controlling the pressure of the pressurized paint delivered by the pump, and a filter for filtering the paint delivered by the pump. The pump includes features which increase the accessibility of the components thereof, prevent the incorrect installation of the seal packings in the pump cylinder, and allow the assembly of the piston in the pump cylinder properly aligned with the cylinder so as not to damage the seal packings therein.

Abstract: An integrated system and method are provided in an electrically powered airless paint spray unit for thermally monitoring the heat generating elements of the spray unit and provide thermal protection for the spray unit and the monitored heat generating elements. The temperatures of various heat generating elements of the paint spray unit are measured and directed to the motor controller of the electric motor of the unit the microprocessor of which is programmed to adjust the power level to the motor in response to excessive temperature readings of the monitored elements or shut off power to the motor in the event any of the temperature readings are greater than a maximum temperature assigned to the monitored element.

Abstract: An integrated system and method are provided in an electrically powered airless paint spray unit for thermally monitoring the heat generating elements of the spray unit and provide thermal protection for the spray unit and the monitored heat generating elements. The temperatures of various heat generating elements of the paint spray unit are measured and directed to the motor controller of the electric motor of the unit the microprocessor of which is programmed to adjust the power level to the motor in response to excessive temperature readings of the monitored elements or shut off power to the motor in the event any of the temperature readings are greater than a maximum temperature assigned to the monitored element.

Abstract: A system for regulating the power supply of the electric, motor incorporated in an airless paint spray unit so as to enhance the efficiency and performance of the airless paint spray unit. The system includes the utilization in the rector control for the electric motor driving the pump of the airless paint spray unit of an active Power Factor Correction (PFC) switching power supply adapted to regulate the electrical power supplied to the motor.

Abstract: There is provided an airless paint spray pump wherein the pump is a double acting piston pump having an inlet communicating with a source of paint, a motor for driving the pump, a pressure controller for controlling the pressure of the pressurized paint delivered by the pump, and a filter for filtering the paint delivered by the pump. The pump includes features which increase the accessibility of the components thereof, prevent the incorrect installation of the seal packings in the pump cylinder, and allow the assembly of the piston in the pump cylinder properly aligned with the cylinder so as not to damage the seal packings therein.

Abstract: There is provided a turret member for a reversible airless spray tip unit having an easily readable identification device or indicia for the particular turret member imprinted on a tag or label attached to a securing device or attaching ring secured to the handle of the turret member. A plurality of turret members are carried on a keychain by their attachment rings for their ease of accessibility to the operator.