Rolling firedoor

Details Rolling firedoor Rolling firedoor

1985-12-06

1987-05-12

Gibson, Jr., Robert W.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Roll type

160 8, 160 9, E05F 1520

Patent

active

046641700

ABSTRACT:
A rolling firedoor having a closure drum on which a closure is wound, and a chaindrive for rotating the drum to raise or lower the closure. The chaindrive is disconnected from the drum during a fire. Means are provided for reconnecting the chaindrive to the drum from the ground so that the door can be raised in an emergency.

REFERENCES:
patent: 1617439 (1927-02-01), Duncanson
patent: 2038523 (1936-04-01), Cahill
patent: 2564208 (1951-08-01), Michelman
patent: 3007342 (1961-11-01), Wardlaw
patent: 3685567 (1972-08-01), Pemberton et al.
patent: 4147197 (1979-04-01), Bailey et al.

Affiliated with

Also associated with

Rating

Rolling firedoor does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Rolling firedoor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rolling firedoor will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1795067