Material dispensing tool for tubular cartridges

Details Material dispensing tool for tubular cartridges Material dispensing tool for tubular cartridges

1993-11-19

1995-02-07

Kashnikow, Andres

Dispensing

With discharge assistant

Insertable cartridge or removable container

222391, B67D 542

Patent

active

053869311

ABSTRACT:
A material dispensing tool has restraining and rear walls spaced apart to receive a material cartridge therebetween, and has an elongated rod supporting a plunger for movement between the walls and within the cartridge. A power ratchet mounted rearwardly of the rear wall over the elongated rod incrementally moves the elongated rod. Linkage including a spring concentrically arranged on the elongated rod effectively couples the power ratchet relative to the restraining wall, whereby the elongated rod can be resiliently biased by the strained spring. Output movement of the elongated rod relative to the power ratchet can thus be substantially independently of the plunger movement relative to the cartridge, the strained spring generating nearly uniform resilient plunger forces to discharge material from the cartridge.

REFERENCES:
patent: 2731176 (1956-01-01), Crewe
patent: 2786604 (1957-03-01), Collins
patent: 3311265 (1967-03-01), Creighton, Jr. et al.
patent: 4706853 (1987-11-01), Stonesifer et al.
patent: 5156305 (1992-10-01), Eyre
patent: 5263614 (1993-11-01), Jacobsen et al.

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