Modular paint pump for a paint roller

摘要

A modular paint pump for a paint roller having a battery operated pump in a housing supporting a paint can. A wetted parts subassembly is manually removable for cleaning or service without the use of tools. The wetted parts subassembly may include inlet and outlet check valves and a piston, a seal and a pump cylinder. A cover having a siphon is secured to the paint can by an elastic cord hooked to the housing.

主权项

1. A modular paint pump apparatus for a paint roller, the apparatus configured to pump paint from a separate and conventional paint container to the paint roller, the apparatus comprising: a housing having a surface engaging base and an upper surface configured to removably receive and support a conventional paint container resting on the upper surface, the conventional paint container having an upper opening and a closed bottom, the conventional paint container configured for insertion on and removal from the apparatus during routine operation; a recess in the housing; an access opening in the housing for providing access to the recess; a pump motor fixedly mounted within the housing; a paint siphon robe having an inlet end and an outlet end, the inlet end configured for inserting into the upper opening of the paint container on the upper surface of the housing; a wetted parts subassembly within the recess of the housing, removably coupled to the pump motor and the outlet end of the paint siphon tube, and removable from and attachable to the motor and housing through the access opening without requiring the use of tools, the wetted parts subassembly including a pump cylinder, a piston received in the cylinder, an inlet port removably connectable to the outlet end of the paint siphon robe, an inlet check valve, an outlet port removably connectable to a paint roller and an outlet check valve; and a pump access door disposed on the housing, the pump access door manually movable between a closed position over the access opening and an open position with respect to the access opening; wherein when the pump access door is in the closed position, the wetted parts subassembly is retained within the recess and when the conventional paint container is removed from the housing and the pump access door is in the open position, the wetted parts subassembly is releasable from the pump motor and removable from the recess while the pump motor remains disposed within the housing; wherein the pump motor and the wetted parts subassembly are disposed within the housing underneath the upper surface that supports the conventional paint can when the conventional paint can is resting on the upper surface.