Movable or removable closures – Threshold – With drain or vent
Patent
1986-06-23
1987-08-18
Kannan, Philip C.
Movable or removable closures
Threshold
With drain or vent
49470, E06B 170
Patent
active
046867937
ABSTRACT:
An elongated body is provided for use as a threshold and is transversely stepped whereby the body includes high and low opposite side longitudinally extending upper surfaces. The body includes a central upstanding surface extending between the high and low upper surfaces with the latter extending transversely of the body in opposite directions from the upper and lower margins of the upstanding surface. The portion of the low upper surface adjacent the lower margin of the upstanding surface is transversely downwardly inclined theretoward and the body includes transverse inclined passages formed therein with the upper ends of the passages opening through the upright surface lower margin and the lower ends of the passages opening outwardly of the longitudinal marginal portion of the body away from which the upstanding surface faces. The upper margin of the upstanding surface includes an elongated seal strip and the upper extremity of the inclined low upper surface curves downwardly toward the lower extremity of the body for engagement by a door lower edge mounted seal strip.
REFERENCES:
patent: 2010609 (1935-08-01), Shogren
patent: 2933781 (1960-04-01), Cornell
patent: 2976584 (1961-03-01), Ghormley
patent: 4055917 (1977-11-01), Coller
Jacobson Harvey B.
Kannan Philip C.
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