Adjustable screen having magnetically stabilized louvers

Details Adjustable screen having magnetically stabilized louvers Adjustable screen having magnetically stabilized louvers

1996-08-01

1998-02-17

Purol, David M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

49 741, E06B 926

Patent

active

057182744

ABSTRACT:
A screen having louvers rotatable about parallel axes under the control of magnetic fields and attached to permanent magnets contained in a magnetically permeable housing so dimensioned relative to the spacing between adjacent magnets that each magnet exerts a stabilizing torque on like magnets of neighboring louvers to maintain a parallel attitude between all of the louvers.

REFERENCES:
patent: 3342244 (1967-09-01), Streeter, Jr.
patent: 3384147 (1968-05-01), Smith
patent: 3524281 (1970-08-01), Streeter, Jr.
patent: 4593218 (1986-06-01), Streeter
patent: 4684911 (1987-08-01), Streeter
patent: 4797591 (1989-01-01), Streeter
patent: 5357712 (1994-10-01), Streeter

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