Ladder cords for venetian blinds

Details Ladder cords for venetian blinds Ladder cords for venetian blinds

1989-05-26

1990-08-07

Purol, David M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

E06B 938

Patent

active

049459716

ABSTRACT:
The lateral chain legs of ladder cords for Venetian blinds in accordance with the invention are formed with regularly spaced openings to allow mounting of the cord. This is made possible by cutting the ladder cord to the desired length and removing the transverse cross connectors at the end portions of the cord, whereupon the cord may be mounted with the aid of the openings in the header and bottom mounting rails of the blind and the ladder cord length can be adjusted to any blind length. When the ladder cord is intended for use with Venetian blinds of standard lengths the chain legs need be provided with mounting openings only at the end portions of the standard length ladder cords.

REFERENCES:
patent: 2031981 (1936-02-01), Runge
patent: 2275273 (1942-03-01), Taylor
patent: 3256928 (1966-06-01), Hensel
patent: 3971427 (1976-07-01), Coldewey et al.
patent: 4154281 (1979-05-01), Schluep
patent: 4236567 (1980-12-01), Frentzel
patent: 4487243 (1984-12-01), Debs
patent: 4593738 (1986-06-01), Chi Yu
patent: 4621673 (1986-11-01), Georgopoulos et al.

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