Conveyors: fluid current – Intake to fluid current conveyor – Load receptacle type
Patent
1979-06-01
1981-02-03
Nase, Jeffrey V.
Conveyors: fluid current
Intake to fluid current conveyor
Load receptacle type
406145, B65G 5352
Patent
active
042485517
ABSTRACT:
In a pneumatic discharge outlet a rotatable discharge conduit attached to a rotatable lading control valve extends outboard of the outlet end wall. Operating handles to move a lading control valve between open and closed positions are located on the discharge conduit. Laterally spaced large headed bolts extending outwardly parallel to the discharge conduit, are threaded into respective threaded portions of the operating handles. In moving the valve element between open and closed positions, the large headed bolts move circumferentially about the hub with the handles. An outlet end cap includes laterally spaced end cap lugs having openings through which the large headed bolts pass. In closed position the heads of the large headed bolts engage the end cap lugs to hold the end cap in closed position. To remove the end cap the large headed bolts are rotated an amount sufficient to free the end cap lugs from the large headed bolts so that the end cap may be removed from the discharge conduit. The large headed bolts preferably have bolt stops attached to their inner ends to prevent removal of the bolts when the end cap is removed. A single dual position end wall stop is provided on each outlet end wall located relative to the inner end of the large headed bolts such that at least one of the large headed bolts and, hence the operating handle, cannot be rotated when the large headed bolt is in engaged position with the end cap. In the full open position the large headed bolt engages a second stop portion of the end wall stop located above the first end wall stop portion. A sample can be taken from the near end of the outlet without the large headed bolt at the far end of the outlet abutting the rotational stop at the far end.
REFERENCES:
patent: 3048448 (1962-08-01), Aller
patent: 3482741 (1969-12-01), Fritz
patent: 4151935 (1979-05-01), Dugge
ACF Industries Incorporated
Cummings Henry W.
Nase Jeffrey V.
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