Dispensing – With discharge assistant – Displacement type
Patent
1986-09-02
1988-08-30
Rolla, Joseph J.
Dispensing
With discharge assistant
Displacement type
222340, 222386, 222401, 222505, 222509, G01F 1100
Patent
active
047670320
ABSTRACT:
A dispenser includes a hollow dispensing tube which reciprocates within a container and which incrementally moves a piston downwardly for forcing paste upwardly through a lower inlet end of the tube and outwardly through a nozzle located at the opposite end of the tube. To facilitate the operation of the dispensing tube, an actuator is employed which is pivotally mounted at one end to a head mounted to the body of the dispenser with the pivot connection located on one side of and adjacent to the dispensing tube. A cam and cam follower extend between the actuator and the dispensing tube for initially providing an increased downwardly applied force to the dispensing tube and subsequently decreasing the force during a dispensing stroke of the actuating lever.
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Bollinger David H.
L. Perrigo Company
Rolla Joseph J.
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