Discharging path opening/closing device of portable vacuum bottl

Details Discharging path opening/closing device of portable vacuum bottl Discharging path opening/closing device of portable vacuum bottl

1994-03-18

1995-07-25

Kashnikow, Andres

Dispensing

With relatively movable actuator for outlet element

For nonrotary outlet element reciprocable axially of...

B67D 300

Patent

active

054354706

ABSTRACT:
A portable vacuum bottle includes a discharging path opening/closing device. The device cooperates with a stopper which opens and closes the discharging device of the portable vacuum and is threadedly coupled to a discharge opening. The opening/closing device includes a path opening button and a path closing button accessible from the top surface of the stopper. A valve seat and attached resilient member facilitate the opening and closing operation of the discharging path within the stopper. An operating arm is rotatedly mounted in the stopper in a seesaw manner and is interposed between the path opening button and the valve seat. Another end of the operating arm is connected to the path closing button.

REFERENCES:
patent: 346033 (1886-07-01), Fitz-Gerald
patent: 2122540 (1938-07-01), Sedwick et al.
patent: 4120431 (1978-10-01), Schultz
patent: 4648535 (1987-03-01), Zimmermann
patent: 4676411 (1987-06-01), Simasaki
patent: 4801053 (1989-01-01), Kaster
patent: 5037015 (1991-08-01), Collins

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