Drag bucket apparatus for separating pieces of solid material fr

Details Drag bucket apparatus for separating pieces of solid material fr Drag bucket apparatus for separating pieces of solid material fr

1980-05-30

1982-10-12

Bertsch, Richard A.

Material or article handling

Static receptacle and means for charging or discharging, or...

Nongravity discharging means

B65G 2508

Patent

active

043536743

ABSTRACT:
A drag bucket apparatus for separating pieces of solid material from liquid in a rectangular receiving tank includes driven trolleys that move along the longitudinal tank walls to pull a drag bucket along the tank from a start end to a dump end. If the drag bucket encounters excessive resistance during a pickup run, a pickup level control automatically raises the bucket incrementally to eliminate such excessive resistance; and when the trolleys near the dump end of the tank the bucket is automatically elevated to a discharge level and when the bucket is at the dump end its load of material is automatically dumped onto a material support out of the liquid. The drag bucket is then lowered and returned to the start end for another pickup run which may begin at once, or which may be delayed depending upon the conditions encountered during the last preceding pickup run. The apparatus is particularly adapted for use with a quenching tank that sits beneath a furnace and has a water seal within and generally parallel to the tank walls.

REFERENCES:
patent: 984249 (1911-02-01), Weschler
patent: 2305929 (1942-12-01), Lund et al.
patent: 3410412 (1968-11-01), Fechter
patent: 3476272 (1969-11-01), Puta
patent: 3498465 (1970-03-01), Klump et al.
patent: 3504645 (1970-04-01), Davenport
patent: 3556317 (1971-01-01), Vidal
patent: 3999744 (1976-12-01), Kotch
patent: 4112856 (1978-09-01), Fuhrman et al.
patent: 4151082 (1979-04-01), Stratmann et al.
patent: 4161255 (1979-07-01), Ropert
patent: 4288196 (1981-09-01), Sutton

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