Top sealing chimney cap

Details Top sealing chimney cap Top sealing chimney cap

1992-08-03

1994-03-22

Joyce, Harold

Ventilation

Chimney or stack

Chimneytop or stacktop structure

454 29, F23L 1710

Patent

active

052959015

ABSTRACT:
A chimney damper and chimney cap system comprised of a support base securable to the top of a chimney flue, a bracket and spring assembly secured to the support base, a chimney cap secured to the bracket and spring assembly wherein the bracket and spring assembly bias the chimney cap to an open position, a damper cable secured to the bottom portion of the chimney cap and a support arm secured to the support base for supporting the damper cable within the chimney flue.

REFERENCES:
patent: 2410950 (1946-11-01), Knutson
patent: 3251336 (1966-05-01), O'Brien
patent: 3386368 (1968-06-01), Fielding
patent: 4020754 (1977-05-01), Dalsin et al.
patent: 4368663 (1983-01-01), Tabacco
patent: 4528897 (1985-07-01), Homolik
patent: 4554863 (1985-11-01), Dalsin
patent: 5080006 (1992-01-01), Vonsick
patent: 5125869 (1992-06-01), Vonsick

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