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US 2017/0246401 A1Published application
Indexing delivery device
AssigneeWestRock Dispensing Systems, Inc.
InventorJoseph F. KEENAN
Life of this patent
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Abstract
A dispensing device is disclosed which provides for dispensing multiple doses in amounts determined by a movable collar attached to a plunger shaft.
Claims8
A fluid dispensing device comprising:
- a cylinder;
- a plunger movable through said cylinder, the plunger comprising a plurality of radial ledges along the cylinder length;
- a stopper attached to an inner end of said plunger, the stopper closely fitting an inside wall of the cylinder;
- a collar fitted around the plunger, the collar having at least one passage for movement therethrough of a radial ledge.
1 more element
Dependencies are inferred from the claim text.