Dispensing – Plural sources – compartment – containers and/or spaced jacket – With discharge assistant for each source
Patent
1992-05-14
1993-11-23
Kashnikow, Andres
Dispensing
Plural sources, compartment, containers and/or spaced jacket
With discharge assistant for each source
222145, 222327, 222386, 222391, B67D 552
Patent
active
052636143
ABSTRACT:
The improved dispensing tool has linkage that includes a spring connected between a power ratchet and a wall restraining the material cartridge against plunger movement through the cartridge for discharging material, thereby allowing resilent independent plunger movement within the limits of spaced stops. When subjected to only static force conditions, the spring bottoms the linkage solid against one of the stops, to provide in-unison forward indexing of the plunger and ratchet drive rod. In the event plunger displacement occurs that is less than the expected in-unison indexing, the one linkage stop is gapped to subject the spring to additional dynamic force conditions that biases the plunger resiliently and continuously in the forward direction toward the restraining wall, up to maximum dynamic force conditions that bottoms the linkage solid against the other stop. The dynamic spring forces move the plunger forwardly within the cartridge for discharging the contained material.
REFERENCES:
patent: 2786604 (1957-03-01), Collins
patent: 3311265 (1967-03-01), Creighton, Jr. et al.
patent: 4509662 (1985-04-01), Weiss
patent: 4869400 (1989-09-01), Jacobs
patent: 5054655 (1991-10-01), Keller
patent: 5104005 (1992-04-01), Schneider, Jr. et al.
patent: 5161715 (1992-10-01), Giannuzzi
Cole Louis F.
Jacobsen Kenneth H.
Kashnikow Andres
Kaufman J. A.
Lind Charles F.
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