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US 9,283,581 B2Granted
Trigger dispenser for liquids with a stop for the dispensing valve
AssigneeThe Clorox Company
InventorRiccardo Alluigi
Life of this patent
Estimating the term…
Abstract
A trigger dispenser (1) for liquids comprises a suction valve (30) and a delivery valve (60), separate from the suction valve (30). The dispenser (1) has a detachable stop (100), comprising a bottom (104) positioned rearwards of the delivery valve (60) to form an end stop abutment with this during the dispensing step.
Claims13
Triggered dispensing device for a liquid, comprising:
- a frame, comprising;
- a suction pipe;
- a dispensing pipe;
- a pumping chamber;
- a first opening between the suction pipe and the pumping chamber for passage of liquid into the pumping chamber;
- a second opening between the pumping chamber and the dispensing pipe for passage of liquid from the pumping chamber;
- and
- a crown surface surrounding the second opening;
- a suction valve positioned in the pumping chamber, comprising a diaphragm seated against the first opening;
- and
- a delivery valve means attached to the frame, comprising:
- a delivery valve, comprising:
- a baffle;
- a free annular end;
- an annular boss;
- wherein the annular boss is seated against the crown surface and the free annular end is seated against the frame;
- a stop retaining the free annular end of the delivery valve in a seated position against the frame.
14 more elements
Delivery valve means for a triggered dispensing device, comprising:
- a delivery valve, comprising:
- a baffle;
- a free annular end having outer edges;
- an annular boss;
- a stop, comprising:
- a cup element and a bottom on the cup element;
- and
- an annular arm comprising a radial portion, which extends radially outwards of the cup element, and an axial portion, connected to the radial portion, which extends axially so as to snap-couple.
5 more elements
Dependencies are inferred from the claim text.