Automatic base seal

Details Automatic base seal Automatic base seal

1979-06-15

1981-08-18

Kannan, Philip C.

Movable or removable closures

Closure movement actuated retractable sealing, guiding or...

Strip movement in plane of closure

49310, E06B 720

Patent

active

042838843

ABSTRACT:
An automatic base seal for a door where a deformable rod having an end fixed in a molding deforms transversely through a slot when its other free end is engaged by a door frame when the door is closed. The deformed portion of the rod displaces a seal against the threshold to seal the bottom of the door. Sides of a groove in the molding guide the deformed portion of the rod, and return springs maintain the seal retracted and adjacent the slot when the door is open. In one embodiment the seal pivots, and in another embodiment the seal moves vertically.

REFERENCES:
patent: 227404 (1880-05-01), Bell
patent: 2282019 (1942-05-01), Balousek
patent: 3072977 (1963-01-01), Burda
patent: 3281990 (1966-11-01), Nilsson
patent: 3703788 (1972-11-01), Rivers
patent: 3706162 (1972-12-01), Werner
patent: 3803766 (1974-04-01), Mesnel
patent: 3871133 (1975-03-01), Ellingson, Jr.

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