Expandable downspout

Details Expandable downspout Expandable downspout

1996-11-12

1999-02-09

Graysay, Tamara L.

Static structures (e.g., buildings)

Cover with surface water receiver at eave or valley

With downspout

405119, E04D 1308

Patent

active

058679448

ABSTRACT:
A downspout in which a section is formed of a material that is substantially elastic and which forms an expandable face member that flexes away from the center of the downspout if the water in it freezes and, when the rainwater thaws, the elastic material returns to substantially its original dimension. It is also preferred that the expandable face member include two longitudinally-extending channels that are substantially V-shaped in cross section. The channels allow for greater outward expansion of the expandable face member, which further reduces the chances of permanent deformation and decreases the stresses on the connection between the expandable face member and the non-flexible portion of the downspout.

REFERENCES:
patent: 2373394 (1945-04-01), Hall
patent: 3076669 (1963-02-01), Schlein
patent: 5220755 (1993-06-01), Roles
patent: 5358006 (1994-10-01), Sweers
patent: 5533303 (1996-07-01), Harvey

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