Drain pipe animal guard

Details Drain pipe animal guard Drain pipe animal guard

1985-02-19

1987-10-27

Fisher, Richard V.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Fluid pressure responsive by-pass

210156, 210354, B01D 3502, B01D 3300

Patent

active

047028289

ABSTRACT:
A tamper resistant animal guard for a drain pipe outlet having self cleaning prongs for preventing the admission of small animals while allowing sticks, leaves and other debris to flow from a drain pipe is provided by the utilization of a plurality of individually rotatable prongs axially disposed on an axle or shaft. A mounting bracket for mounting the axle or shaft is preferably of a flexible material to conform to the inside circumference of the drain pipe while engaging the ends of the axle or shaft which extends substantially across the diameter of the drain pipe. The individually rotatable pronged wheels are axially spaced from each other with radially spaced prongs extending from the wheels that can rotate clockwise or counterclockwise on the shaft to allow sticks, leaves and other debris to flow out of the pipe at various water discharge rates, while cleaning the prongs and preventing small animals from opening or tampering with the prongs to gain access to the interior of the drain tile, pipe or the like.

REFERENCES:
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patent: 3289840 (1966-12-01), Kahn
patent: 4356087 (1982-10-01), Miles

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