Cord lock for venetian blinds

Details Cord lock for venetian blinds Cord lock for venetian blinds

1986-10-24

1988-02-02

Foss, J. Franklin

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

160168R, E06B 9324

Patent

active

047223839

ABSTRACT:
A cord lock for locking a venetian blind in its raised position only. The lock has a housing with spaced side walls spanned by a smooth-surface pin, a knurled roller slidably received in slots in the side walls, a plastic lever below the pin and roller and having an extension below the blind head. The lift cords of the blind pass between the pin and roller. The extension is engaged by the top-most slat of the blind which lifts the lever and knurled roller thereby causing the lift cords to draw the knurled roller up the slot locking the lift cords between the roller and pin.

REFERENCES:
patent: 3799236 (1974-03-01), Debs
patent: 3952789 (1976-04-01), Marotto
patent: 4245688 (1981-01-01), Vecchiavelli

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