Casing with assisted opening for protecting an apparatus in the

Details Casing with assisted opening for protecting an apparatus in the Casing with assisted opening for protecting an apparatus in the

1984-06-29

1985-12-03

Walton, George L.

Fluid handling

Hydrant type

With casing

137371, 137377, 137800, 220211, 220363, E03B 906

Patent

active

045560803

ABSTRACT:
The casing of the invention comprises a fixed part 1 fixedly mounted to the post 10 below the zone to be protected, this fixed part comprising, on one side of post 10, a support structure 14; a mobile part 15 for covering, in the closed position, the upper part of the post; a mechanical connection mounted between the support structure 14 and the mobile part 15; and an assistance device 22 adapted to exert a force tending to drive the mobile part during its upward movement.

REFERENCES:
patent: 926027 (1909-06-01), Smith
patent: 1086841 (1914-02-01), Mueller
patent: 2585694 (1952-02-01), Sisson
patent: 2869576 (1959-01-01), Kennedy
patent: 2923430 (1960-02-01), Stengele

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