Adjustable threshold assembly with water-impervious seal

Details Adjustable threshold assembly with water-impervious seal Adjustable threshold assembly with water-impervious seal

1992-12-21

1993-07-27

Cuomo, Peter M.

Movable or removable closures

Threshold

With diverse seal

494751, E06B 170

Patent

active

052301818

ABSTRACT:
An extruded aluminum elongated sill member is supported by a wood base member and includes a sloping top wall integrally connected to a lower base wall positioned within a recess in the wood base member. A longitudinally extending wood trim member is attached to the wood base member and cooperates with the lower base wall to define a longitudinally extending cavity which receives a vertically adjustable rail member. The sill and rail members define corresponding longitudinally extending adjacent slots, and a longitudinally extending sealing member of extruded plastics material includes opposite semi-rigid edge portions with flexible fins which are pressed into the slots. The edge portions are integrally connected by a flexible U-shaped intermediate portion which is confined between the sill and rail members and forms a rolling diaphragm for vertically adjusting the rail member while maintaining a positive water-impervious seal therebetween. A rib on the sealing member deflects water and foreign particles from the U-shaped portion.

REFERENCES:
patent: 2718677 (1955-09-01), Cornell
patent: 2969252 (1961-01-01), Gruver
patent: 2976584 (1961-03-01), Ghormley
patent: 3276167 (1966-10-01), Bus et al.
patent: 3448543 (1969-06-01), Multer
patent: 3967412 (1976-07-01), Gouernale
patent: 4399636 (1983-08-01), Blackwell
patent: 4447987 (1984-05-01), Lesosky
patent: 5001865 (1991-03-01), Procton
patent: 5010690 (1991-04-01), Geoffrey

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