Positioning drum device for a venetian blind

Details Positioning drum device for a venetian blind Positioning drum device for a venetian blind

1995-01-10

1996-07-23

Purol, David M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

F06B 938

Patent

active

055380689

ABSTRACT:
A positioning drum device for a Venetian blind includes an axial bore horizontally defined through a mediate portion thereof and includes two adjacent elongated recesses defined in one distal end of a top surface of thereof, the elongated recess being substantially V-shaped and having a neck portion with a reduced diameter formed in a mediate portion of the top surface, a pair of retaining openings defined in the top surface and each communicating with the neck portion of a corresponding one of the recesses and each having a diameter greater than that of the associated neck portion, a pair of cords each having one free end extending through a corresponding one of the openings and each having a diameter greater than that of the associated neck portion, a stop mounted on a bottom portion of the free end of each of the cords and having a diameter greater than that of the associated opening.

REFERENCES:
patent: 2667220 (1954-01-01), Rutledge
patent: 2831536 (1958-04-01), Lorentzen
patent: 3333905 (1967-08-01), Hennequin
patent: 4487243 (1984-12-01), Debs
patent: 4494593 (1985-01-01), Fielder
patent: 4651794 (1987-03-01), Bytheway
patent: 4821789 (1989-04-01), Van Rens
patent: 5074349 (1991-12-01), Yannazzone
patent: 5139073 (1992-08-01), Opdahl et al.
patent: 5267598 (1993-12-01), Marocco

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