Window shade with dual blinds

Details Window shade with dual blinds Window shade with dual blinds

1991-02-06

1991-10-08

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Pleating type

Lazy-tong links pivot about axes parallel to panel

160123, E06B 394

Patent

active

050545345

ABSTRACT:
A window shade with dual blinds comprises a headrail, a bottom rail, dual blinds arranged in parallel between the head rail and the bottom rail to form an interspace, draw lock for positioning the bottom rail, and a draw cord for lifting and lowering the bottom rail. Each of dual blinds has a plurality of string holes arranged therein at noncorresponding positions so as to obstruct one another.

REFERENCES:
patent: 3946788 (1976-03-01), van Muyen
patent: 4687039 (1987-08-01), Chumbley

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