Vented dispenser
View Patent ↗A dispenser for dispensing different quantities of chemical concentrate into a stream of fluid from a concentrate container wherein the container has a pressure relief vent, and the dispenser provides an air vent when it is operated. In a preferred manner, the dispenser and cap are integrally connected with the pressure relief vent located in the cap. The dispenser is capable of dispensing a wide variety of chemical products with minimal concern for the type of chemical product and pressures generated in the container.
1. A dispenser for dispensing different quantities of chemical concentrate into a stream of fluid from a concentrate container comprising:
a body member having a through bore with an inlet end adapted to be connected to a source of pressurized fluid at one end and an outlet at the opposite end, the body member being connected to the container;
a product passage and a vent passage communicating with the through bore and the container;
an eductor mounted in the through bore; and
a vent member, having a passageway in communication with the atmosphere, connected to the body member and the container, independently of the vent passage;
whereby both the vent passage and the vent member are vented through the body member.
2. The dispenser of claim 1 wherein the vent member is gas pervious and liquid impervious.
3. The dispenser of claim 1 wherein the vent passage is constructed and arranged to be in a closed position when the product passage is closed.
4. The dispenser of claim 1 wherein the eductor is both slideable and rotatable.
5. The dispenser of claim 1 further including a trigger member constructed and arranged to slide the eductor and open the vent passage.
6. The dispenser of claim 5 further including a seal constructed and arranged to seal both the product passage and the vent passage.
7. The dispenser of claim 1 wherein the eductor is composed of first and second parts, only one of which is rotatable.
8. The dispenser of claim 7 wherein the first part of the eductor is rotatable and extends from the body member.
9. The dispenser of claim 1 further including a trigger member connected to the body member and eductor to cause slideable movement of the eductor.
10. The dispenser of claim 9 wherein the trigger member includes a latch member.
11. The dispenser of claim 1 further including a valve member positioned in the through bore for regulating the flow of water through the through bore and the eductor.
12. The dispenser of claim 5 wherein the trigger member includes an essentially flat thumb engaging portion.
13. The dispenser of claim 12 wherein the inlet includes a hose engaging member extending over a portion of a handle.
14. A method of venting a gas from a container employing the dispenser of claim 1 .