Dispensing – With casing or support – For bottom discharge dispenser supported on horizontal surface
Patent
1978-01-27
1980-02-05
Spar, Robert J.
Dispensing
With casing or support
For bottom discharge dispenser supported on horizontal surface
222512, 222561, B65D 4700
Patent
active
041868544
ABSTRACT:
A gating mechanism for selectively opening and closing the bottom outlet of a container such as a tank, bunker or silo, serving for the storage of bulk material, comprises a metallic slider shiftable along the underside of a metallic sealing frame surrounding the outlet, the slider being urged upwardly against that frame by strong compression springs or fluidic jacks counteracting the internal pressure of the goods. The slider, which has a cutout registering with the outlet aperture upon being aligned with the sealing frame, is displaceable between this alignment position and a closure position by a rack on its underside engaged by a driving pinion. A base supporting the slider and forming a channel for the discharged bulk material carries a funnel of rectangular cross-section which defines the outlet and has a flange vertically separated from a discharge port in the container bottom by an interposed spacer frame which can be replaced by a shutter plate of like thickness, e.g. during temporary removal of the slider, upon a raising of the empty tank and a lifting of the spacer frame to a lesser extent with the aid of respective nuts on a set of vertical bolts passing through bores in an external apron of the container body and through slotted lugs of the spacer frame.
REFERENCES:
patent: 760772 (1904-05-01), Anderson et al.
patent: 2989008 (1961-06-01), Lindstrom
patent: 3106899 (1963-10-01), Dorey
patent: 3480186 (1969-11-01), Grosko
patent: 3576198 (1971-04-01), Bessot
patent: 4063668 (1977-12-01), Shapland et al.
Ross Karl F.
Silverberg Fred A.
Spar Robert J.
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