Sealing strips

Details Sealing strips Sealing strips

1989-07-27

1990-12-11

Smith, Gary L.

Movable or removable closures

Stored in housing

Reciprocates vertically in and out of housing

277 34, 49477, E05F 1138

Patent

active

049760670

ABSTRACT:
A sealing strip for sealing against a raisable and lowerable window glass plane such as in a motor vehicle door, comprises a triangularly shaped air-tight hollow chamber having two relatively rigid sides stiffened by a metal carrier. The third side is a relatively flexible wall. A sealing lip is pivoted on one of the rigid sides and joined by a leg to an intermediate point on the flexible wall. Partial evacuation of the chamber causes the retracted flexible wall to pull the distal tip of the lip into sealing engagement with the window glass. An increase of air pressure within the chamber causes the flexible wall to move outwards so that the force transmitted via the leg pivots the lip and moves it out of sealing engagement with the window glass.

REFERENCES:
patent: 2700196 (1955-01-01), Panhard
patent: 2792599 (1957-05-01), Gantschnigg et al.
patent: 2844405 (1958-07-01), Roethel
patent: 2863681 (1958-12-01), Robbins
patent: 3284955 (1966-11-01), Schroth
patent: 3449864 (1969-06-01), Prost-Dame et al.
patent: 4007536 (1977-02-01), Soderberg
patent: 4399317 (1983-08-01), Van Dyk, Jr.
patent: 4505483 (1985-03-01), Bent, Jr.
patent: 4805347 (1989-02-01), Smith
patent: 4870783 (1989-10-01), Hermann et al.

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