Bi-parting shutter system

Details Bi-parting shutter system Bi-parting shutter system

1991-08-07

1993-01-12

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Plural and/or with rigid closure

160118, 160122, E06B 332

Patent

active

051781999

ABSTRACT:
A bi-parting shutter system having two slidably displaceable shutters connected by a flexible belt arranged in a track and looped around two freely rotatable pulley wheels. The belt defines a first belt run connected to a first shutter by a first attachment, and a second belt run similarly connected to a second shutter by a second attachment. The second attachment includes a bracket having a generally hollow square cross section and located in the track. The first belt run freely passes through the second attachment, with movement of one shutter being transmitted to the other shutter.

REFERENCES:
patent: 1198896 (1916-09-01), Davis
patent: 1845949 (1932-02-01), Wittemann
patent: 2576613 (1951-11-01), Lermont
patent: 4050191 (1977-09-01), Azuma
patent: 4096902 (1978-06-01), Junod
patent: 5052459 (1991-10-01), Grossenbacher

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