Releasable door hold-open device

Details Releasable door hold-open device Releasable door hold-open device

1976-08-06

1977-08-09

Schroeder, Werner H.

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

Thermally released check or closer

49 31, 49279, 49379, 292273, 340237S, E05F 1520

Patent

active

040401430

ABSTRACT:
A releasable door hold-open device or assembly is mounted on the header over a door panel. The assembly has a track channel with a top web and depending flanges. A door panel connector arm has a traveller movable in the track channel. A solenoid operates a detent in the track channel near the hinge end of the traveller path. A conductor channel is fastened to the top web and communicates with the track channel through an opening. A connector block releasably adjoins the track channel and the conductor channel at the hinge end thereof. A smoke detector underlies the connector channel at the other end of the track channel. Conductors from outside extend through the connector block, through connecting plugs in the block and track channel and to the solenoid and through the conductor channel to the smoke detector.

REFERENCES:
patent: 2887194 (1959-05-01), Noltin et al.
patent: 3164404 (1965-01-01), Arnold
patent: 3415562 (1968-12-01), Petersen
patent: 3648326 (1972-03-01), Gayowski
patent: 3729770 (1973-05-01), Lasier
patent: 3729771 (1973-05-01), Crane et al.
patent: 3771823 (1973-11-01), Schnarr
patent: 3777423 (1973-12-01), Coulter et al.
patent: 3905063 (1975-09-01), Coulter et al.
patent: 3908309 (1975-09-01), Coulter et al.
patent: 3964125 (1976-06-01), Tansley

Affiliated with

Also associated with

Rating

Releasable door hold-open device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Releasable door hold-open device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Releasable door hold-open device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1219875