Automatic door bottom

Details Automatic door bottom Automatic door bottom

1994-12-29

2000-10-03

Stodola, Daniel P.

Movable or removable closures

Closure movement actuated retractable sealing, guiding or...

Resilient means swings strip to retracted position

49310, F06B 720

Patent

active

06125584&

ABSTRACT:
An automatic door bottom for a hinged door which is pivotable to be positioned over a sill when closed, the door having a hinge side and a width, the door bottom having an inverted channel having an open bottom, a length corresponding to the door width and a hinge end corresponding to the hinge side of the door; a sealing member having a length corresponding to the length of the channel, the sealing member being housed in the channel and being movable vertically downwardly into a sealing position in which the sealing member will contact the sill when the door is closed; and a displacement mechanism installed in the channel and coupled to the sealing member for moving the sealing member vertically into the sealing position in response to closing of the door, wherein the displacement mechanism is coupled to the sealing member at a plurality of points along the length of the sealing member and is operative to move the end of the sealing member at the hinge side of the channel into the sealing position prior to the remainder of the sealing member during closing of the door.

REFERENCES:
patent: 499629 (1893-06-01), Ellis
patent: 1054158 (1913-02-01), Wickstrum
patent: 1529424 (1925-03-01), Edwards
patent: 1646559 (1927-10-01), Ray et al.
patent: 1853338 (1932-04-01), Dennis
patent: 1948108 (1934-02-01), Goellner
patent: 1976970 (1934-10-01), Spanjers et al.
patent: 2075074 (1937-03-01), Wierk, Jr.
patent: 2282109 (1942-05-01), Balousek
patent: 2344278 (1944-03-01), Balousek
patent: 2555192 (1951-05-01), Hopkins
patent: 3030674 (1962-04-01), Kapaun et al.
patent: 3199155 (1965-08-01), Coleman
patent: 3250314 (1966-05-01), Wetzel
patent: 3374580 (1968-03-01), Ruff
patent: 3462885 (1969-08-01), Miller
patent: 3496676 (1970-02-01), Halpern
patent: 3703788 (1972-11-01), Rivers
patent: 3871133 (1975-03-01), Ellingson, Jr.
patent: 4406088 (1983-09-01), Berndt, Jr.
Hager Barrier Sealing Systems, p. 53Q, No. 730S; p. 54Q, No. 740S; p. 55Q, Nos. 743S, 747S.
National Guard Products, Inc. (1991 Commercial Catalog), p. 38, Nos. 222SN, 225N; p. 39, Nos. 420, 421, 422, 520, 522.
Reese (1991 Catalog), p. 32, Nos. 320,330,521; p. 33; Nos. 370, 372, 430.
Zero International, Inc. (1991 Catalog), p. 14, Nos. 350, 351, 352, 354, 367A; p. 15, Nos. 360, 361, 362, 364, 365, 366.

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