Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
John Britton S. Mockridge0
Craig Jay Cochran0
Dale Melton Coker0
Daniel Lee DeYoung0
Ellen Y. Brown0
Timothy Gayle Phipps0
Nicholas H. Reaves0
Date of Patent
June 18, 2019
0Patent Application Number
153284010
Date Filed
October 15, 2015
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Described are metering dispensers (10) having a body (100) configured to hold a flowable composition in a chamber, a drive screw (300) coupled to the body, and a plunger (400) threadingly coupled to the drive screw. The plunger includes at least two annular lips (416) that form a fluid seal with the chamber as the plunger travels along the drive screw through the chamber. A base (200) is rotationally coupled to the body with a cam (208) that contacts at least one tab (114) extending externally from the body so that the tab enters at least one low point (222) on the cam by traveling over a trailing edge (226) of the low point, and the trailing edge then prevents the tab from exiting the low point in the direction of the trailing edge.
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