Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
February 26, 2013
Patent Application Number
12703613
Date Filed
February 10, 2010
Patent Citations Received
Patent Primary Examiner
Patent abstract
A piston and piston rod for a rodless dispenser for extrudable material are configured such that compressive force exerted on the piston from a push chain causes a reactive torque to be created that locks the links of the chain together. The push rod is located away from the piston's geometric center.
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