Static structures (e.g. – buildings) – Wall – ceiling – or floor designed for utilities – Having a passageway through the entire wall – ceiling – or...
Patent
1996-03-29
1997-04-29
Friedman, Carl D.
Static structures (e.g., buildings)
Wall, ceiling, or floor designed for utilities
Having a passageway through the entire wall, ceiling, or...
5274516, 454369, 285189, E04C 252
Patent
active
056237960
ABSTRACT:
A damper is provided with a plurality of lugs on one side opposite to its face which lugs can be rotated to interfere with removing the damper from the wall in which it is mounted. The lugs can be rotated from the outside and fastened in position without having to go around the wall.
REFERENCES:
patent: 1141493 (1915-06-01), Scherer
patent: 1643863 (1927-09-01), Truax
patent: 1769725 (1930-07-01), Truax
patent: 3129751 (1964-04-01), Weber
patent: 3273632 (1966-09-01), McCabe
patent: 3401734 (1968-09-01), McCabe
patent: 3575229 (1971-04-01), Alley
patent: 3727663 (1973-04-01), McCabe
patent: 4037563 (1977-07-01), Pflueger et al.
patent: 4515068 (1985-05-01), Van Becelaere
patent: 4524678 (1985-06-01), Klebanoff
patent: 4579047 (1986-04-01), Zielinski
patent: 4903934 (1990-02-01), Fremstad
patent: 5171184 (1992-12-01), Saucier et al.
Benasutti Frank J.
Friedman Carl D.
Kang Timothy B.
LandOfFree
Method and apparatus for mounting a fire damper does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for mounting a fire damper, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for mounting a fire damper will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-698866