Door closer for the non-fire side of a fire-door safety installa

Details Door closer for the non-fire side of a fire-door safety installa Door closer for the non-fire side of a fire-door safety installa

1998-01-15

1999-02-02

Mah, Chuck Y.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Closers

Spring and gear

16 485, 16 71, 16 51, 16DIG17, 49501, E05F 108

Patent

active

058649204

ABSTRACT:
A door control device for use on a non-fire side of a fire-door mounted in a door frame in a fire-door safety installation has a door closer assembly filled with a hydraulic damping fluid and attached to a non-fire side of the fire-door by at least one fastener; a door control arm pivotally connected to the door frame at a first end and to the door closer assembly at a second end; and the hydraulic damping fluid is one of a group of fire resistant hydraulic fluids.

REFERENCES:
patent: 2043198 (1936-06-01), Heverly
patent: 2954106 (1960-09-01), Schlage
patent: 3546734 (1970-12-01), Pollack et al.
patent: 3644209 (1972-02-01), Nowotny et al.
patent: 3657128 (1972-04-01), Street
patent: 3875612 (1975-04-01), Poitras
patent: 3934306 (1976-01-01), Farris
patent: 4148111 (1979-04-01), Lieberman
patent: 4161804 (1979-07-01), D'Hooge et al.
patent: 4179092 (1979-12-01), Miyazawa
patent: 4256293 (1981-03-01), Burgess
patent: 4267619 (1981-05-01), Suska
patent: 4360443 (1982-11-01), Durr, Jr.
patent: 4831687 (1989-05-01), Lin et al.
patent: 4967444 (1990-11-01), Korling et al.
patent: 5187835 (1993-02-01), Lee

Affiliated with

Also associated with

Rating

Door closer for the non-fire side of a fire-door safety installa does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Door closer for the non-fire side of a fire-door safety installa, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Door closer for the non-fire side of a fire-door safety installa will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1106753