Toothpaste pump

Dispensing – With discharge assistant – Container with follower

Patent

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Details

222392, 222173, B67D 542

Patent

active

047935260

ABSTRACT:
A paste dispenser comprising an elongated tubular body having a central bore for containing a paste product therein with a dispensing outlet positioned at one end portion of the tube, a follower plate movably disposed within the bore of the tubular body at one end portion thereof, defining an end portion for containing paste contained within the tube. The initial position of the plate is at an opposite end of the tube from the outlet when the tube is filled with paste, a transverse plate is positioned at the end portion of the tubular body adjacent the outlet, and a rotatable drum is mounted on the tubular body at the transverse plate. A pivotally moving support is mounted at one end portion of the tubular body providing a gripping surface which can be manually forced to move the pivot between first and second positions, and a biasing spring for urging the pivot to assume the first position combines with a ratchet for urging a rotation of the drum in one rotational direction. An elongated length of cable is attached at one end portion to the follower plate and at its other end portion to the drum so that rotation of the drum winds the cable thereupon, applying tension to the cable for urging the follower plate towards the transverse plate to dispense product via the outlet.

REFERENCES:
patent: 876968 (1908-01-01), James
patent: 1021451 (1972-03-01), Craven
patent: 3220616 (1965-11-01), Jennings
patent: 3774809 (1987-06-01), Bratton

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