Drive device for rake arm with attached screen comb in cleaning

Details Drive device for rake arm with attached screen comb in cleaning Drive device for rake arm with attached screen comb in cleaning

1977-05-24

1978-08-15

Sever, Frank

Liquid purification or separation

Structural installation

Flume stream type

210353, 210413, B01D 3300, B01D 3516

Patent

active

041070402

ABSTRACT:
A device for cleaning of a screen located in a water conduit is provided h a screen rake which has a screen comb at one end thereof, the screen rake being mounted and driven by a chain to be guided in a path such that the screen comb cleans the screen, deposits the screenings in a bin and returns to clean the screen again in a continuous and non-interrupted fashion. The path is formed by a number of connected angle bars which are curved in shape and which are placed between a number of chain wheels around which the chain is wrapped for movement thereover. The screen rake is pivotably connected at the end opposite to the screen comb to the end of a hinged support, the hinged support being pivoted around a stationary bearing and having a counterweight at the other end thereof.

REFERENCES:
patent: 2128345 (1938-08-01), Briggs
patent: 2128346 (1938-08-01), Briggs
patent: 3909411 (1975-09-01), Angele et al.

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