Flexible or portable closure – partition – or panel – Roll type – With guides or fabric edge holders
Patent
1992-05-14
1993-06-15
Johnson, Blair M.
Flexible or portable closure, partition, or panel
Roll type
With guides or fabric edge holders
160264, 160 841, E06B 917
Patent
active
052190153
ABSTRACT:
A lifting curtain industrial door including a flexible curtain capable of being gathered together at the top of the door by being rolled up or folded, and of being lowered in a plane between two vertical side uprights each including a slideway, each slideway having a guide wall on either side of the plane of the curtain, the curtain having lateral portions which slide in said slideways, said lateral portions being adapted to escape from the slideways in the event of an abnormal transverse force, wherein the wall of the upright including the slideway includes at least one moving wall element capable of deforming elastically so as to form a path enabling a lateral portion of the curtain to pass from the outside to the inside of the slideway, but not in the opposite direction.
REFERENCES:
patent: 972422 (1910-10-01), Whitmore
patent: 1284123 (1918-11-01), Masumian
patent: 1694314 (1928-12-01), Dixson
patent: 1779646 (1930-10-01), Traut
patent: 1786054 (1930-12-01), Dixson
patent: 2094932 (1937-10-01), Swan
patent: 4478268 (1984-10-01), Palmer
patent: 4690195 (1987-09-01), Taylor
patent: 4880045 (1989-11-01), Stahler
patent: 5025847 (1991-06-01), Mueller
patent: 5056579 (1991-10-01), Krafutler
patent: 5141043 (1992-08-01), Kraeutler
Johnson Blair M.
Nergeco (SA)
LandOfFree
Lifting curtain door does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Lifting curtain door, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lifting curtain door will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1037113