Top sealing chimney cap

Details Top sealing chimney cap Top sealing chimney cap

1994-05-23

1995-08-01

Joyce, Harold

Ventilation

Chimney or stack

Chimneytop or stacktop structure

454 29, F23L 1710

Patent

active

054375746

ABSTRACT:
A chimney damper and chimney cap system comprised of a support base securable to the top of a chimney flue, a bracket assembly and spring assembly secured to the support base, a chimney cap secured to the bracket assembly wherein the bracket assembly bias the chimney cap to an open position, a damper cable secured to a pin secured to the bottom surface of the chimney cap, a support arm secured to the support base for supporting the damper cable within the chimney flue and a lever assembly secured to the support arm to open the chimney cap if it is stuck shut.

REFERENCES:
patent: 1183804 (1916-05-01), Determann
patent: 1349764 (1920-08-01), Hofstetter
patent: 3267832 (1966-08-01), Hinkle
patent: 3386368 (1968-06-01), Fielding
patent: 4554863 (1985-11-01), Dalsin
patent: 5080006 (1992-01-01), Vonsick
patent: 5160291 (1992-11-01), Sexton

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