Ventilation – Chimney or stack – Chimneytop or stacktop structure
Patent
1991-05-29
1992-06-30
Joyce, Harold
Ventilation
Chimney or stack
Chimneytop or stacktop structure
454 29, 126286, F23L 1710
Patent
active
051258692
ABSTRACT:
A chimney cap to selectively cover the outlet from the flue of a chimney which includes an open frame of selected geometric configuration located at the top of the chimney flue around the outlet, a cap to substantially cover the opening defined by the frame, bias device to bias the cap to a position separated by the frame, where a seal is provided to seal the cap and the frame when the cap is located contiguous to the frame. A guide arrangement can be provided to guide the cap toward the frame to selectively locate the seal of the cap and seal surface of the frame. A draw device can be provided to pass through the chimney flue to allow the cap to be drawn to engagement with the frame and a latch can be provided to receive the draw device to hold the cap in engagement with the frame against the bias force.
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Camoriano Theresa Fritz
Joyce Harold
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