Pleated window shade

Details Pleated window shade Pleated window shade

1991-06-24

1992-02-25

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Pleating type

Lazy-tong links pivot about axes parallel to panel

160115, E06B 394

Patent

active

050904663

ABSTRACT:
A pleated window shade comprises mainly an upper rail, a bottom rail, a full blind having a plurality of folded parts with rows of string holes disposed therewith, and narrow blinds equal in number to rows of string holes of the full blind. The narrow blinds are composed of folded parts, each of which comprises at least one string hole to accommodate therein a string. The narrow blinds are arranged between the upper rail and the bottom rail in a manner that their positions are correspondent to those to rows of string holes of full blind, with string holes of narrow blind and of full blind being positioned in an alternate manner so as to obstruct one another.

REFERENCES:
patent: 3946788 (1976-03-01), van Mayen
patent: 4687039 (1987-08-01), Chumbley
patent: 4953610 (1990-09-01), Phillips
patent: 5054534 (1991-10-01), Hong

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