Adjustable stroke hand operated liquid dispenser

Details Adjustable stroke hand operated liquid dispenser Adjustable stroke hand operated liquid dispenser

1977-03-02

1979-03-06

Knowles, Allen N.

Dispensing

With discharge assistant

With discharge volume varying means

222318, 222372, G01F 1106

Patent

active

041426541

ABSTRACT:
This invention relates to the liquid dispensing of toxic and noxious liquids in such a way that accidental contact with the operator is minimized. This dispenser comprises a sealed cylinder, a piston snuggly fitting inside the cylinder, a pivoted handle, which is limited in its movement by an adjustable screw and a buffer, moves the piston relative to the cylinder, an inlet for feeding liquid into the cylinder, a nozzle at one end of the cylinder for dispensing the liquid from the cylinder, and a drainage outlet at the handle end of the cylinder. Various parts of the dispenser are connected by screw fittings so as to aid in the dispenser's assembly and disassembly.

REFERENCES:
patent: 1639409 (1927-08-01), Johnson et al.
patent: 1653562 (1927-12-01), Grimley
patent: 1915443 (1933-06-01), Pelouch
patent: 1979428 (1934-11-01), Wheeler
patent: 2605021 (1952-07-01), Churchill et al.
patent: 3163360 (1964-12-01), McNinch et al.
patent: 3209957 (1965-10-01), Sundholm
patent: 3256827 (1966-06-01), Smith
patent: 3758005 (1973-09-01), Christine et al.
patent: 3905365 (1975-09-01), Colombo

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