Material or article handling – Static receptacle and means for charging or discharging – or... – Nongravity discharging means
Patent
1977-07-28
1979-03-27
Sheridan, Robert G.
Material or article handling
Static receptacle and means for charging or discharging, or...
Nongravity discharging means
198676, 222404, 414310, B65G 6548
Patent
active
041461452
ABSTRACT:
Apparatus for reliably causing flow of material from a bin, of circular transverse section about a vertical axis, having a conical bottom converging downwardly to a central discharge chamber, including: a central shaft rotatable in the discharge chamber about the vertical axis; a first arm on the central shaft for preventing material from said bin from packing around the central shaft; a second arm on the central shaft for preventing material from said bin from bridging at the entrance to the discharge chamber; a universal joint at the top of the central shaft; a traveller shaft connected at one end to the universal joint for rotation, with rotation of the central shaft, about its own axis and about the vertical axis; a single chain extending spirally around the traveller shaft for a major portion of its length and secured at both ends to the traveller shaft, for loosening material in the conical bottom of the bin by contact lateral of the traveller shaft therewith; a plurality of flat pieces of resilient material of rectangular outline centrally mounted spokewise on the end of the traveller shaft remote from the universal joint for frictionally engaging the inner surface of the conical bottom of the bin to propel the traveller shaft around the vertical axis; and a power source connected in driving relation to the central shaft.
REFERENCES:
patent: 2711814 (1955-06-01), McCarthy
patent: 3084814 (1963-04-01), Schaefer
patent: 3339759 (1967-09-01), Wellons
patent: 3508670 (1970-04-01), Schuld
patent: 3952862 (1976-04-01), McCorkel
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