Lever operating mechanism for air-pressure utilizing hot pot

Dispensing – Resilient wall – Fluid pressure generating pump or pulsator and/or removable...

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Details

22215313, 222401, B65D 3700

Patent

active

061199001

ABSTRACT:
The lever operating mechanism for air-pressure utilizing hot pots referred to in the present invention that have a simple construction of lever operating mechanism, is able to raise and collapse the lever and maintain the lever raised and collapsed condition extremely easily and smoothly, and achieves superb operability and satisfactory discharge because all the operations can be carried out simply by moving the free end of the operating lever up and down with only one finger.
The lever operating mechanism of the air-pressure utilizing hot pot referred to in the present invention comprises a compression process in which the free end of the operating lever is raised from the operating lever contained condition, and the operating lever, arm, and inside lever are engaged and operated in linkage to bring the bellows pump into the compressible condition, an operating lever downwards movement process in which the operating lever is operated to move downwards and the bellows pump is pressed down during this compression process, an operating lever return process for returning the operating lever, a lever sliding process where the free end of the operating lever of this operating lever return process is raised more greatly than the operating lever in the compression process and the base end side end of the operating lever compresses to slide the base end side end of the inside lever forwards, an arm moving process where the arm base end side is moved to the inwards front of the lid as the inside lever moves forwards in the lever sliding process, an arm leaving process where the arm is allowed to leave from the operating lever, an operating lever collapsing process where the operating lever is contained after this arm moving process, and a lever containing process where the operating lever support rod portion of the operating lever collapsing process comes in contact with the inside lever pin portion and the inside lever is moved backwards together with the arm and the operating lever is brought into the contained condition.

REFERENCES:
patent: 3905520 (1975-09-01), Nishioka
patent: 4174053 (1979-11-01), Shimizu
patent: 5887760 (1999-03-01), Johnson

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