Insulating glass window with light guard

Details Insulating glass window with light guard Insulating glass window with light guard

1989-02-24

1990-07-31

Purol, David M.

Flexible or portable closure, partition, or panel

Plural and/or with rigid closure

Diverse types

160 31, A47H 100

Patent

active

049443410

ABSTRACT:
An insulating glass window with two panes separated from each other by a sectional frame serving as a spacing member. The window further includes a replaceable light guard device with a light guard sheet which is movable in the space between the panes. An electric motor drives the light guard device. The entire light guard device is arranged in the space between the panes and is supported in opposite frame sides. At least one of the frame sides has an opening for the assembly and disassembly of the light guard device. The opening can be closed in a gas-tight manner by a cover.

REFERENCES:
patent: 2088738 (1937-08-01), Fox
patent: 2530218 (1950-11-01), Barrows
patent: 2631339 (1953-03-01), Pratt
patent: 2854102 (1958-09-01), Peeples
patent: 3186473 (1965-06-01), Myers et al.
patent: 4197896 (1980-04-01), Reichstadt
patent: 4407349 (1983-10-01), Ekstrom
patent: 4649980 (1987-03-01), Kunz

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