Ventilation – Chimney or stack – Chimneytop or stacktop structure
Patent
1997-10-24
1999-04-27
Joyce, Harold
Ventilation
Chimney or stack
Chimneytop or stacktop structure
454 35, F23L 1702
Patent
active
058974342
ABSTRACT:
A detachable chimney cap hood which can be attached to the side walls of a chimney cap without the need for nuts, bolts, screws or tools and allows the hood to be later removed manually. The hood includes a cover portion and one or more locking clips attached to the cover portion. Guide pieces can also be included to align the hood onto the chimney cap. The locking clips and guide pieces hold the hood in place. The hood allows a person to attach and remove the hood manually without a wrench or other tool when a chimney flue needs to be cleaned. This feature is especially desirable when the chimney cap is cemented or otherwise permanently affixed to the chimney flue because the hood of the chimney cap must be separately removed in order to access the one or more chimney flues covered by the cap.
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