Blind

Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type

Patent

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Details

160176R, 160178R, E06B 930

Patent

active

047199555

ABSTRACT:
Relates to a blind, comprising a head box, an operating rod dropped from one side of the head box, an angle control shaft in the head box which is driven to rotate by the operating rod, a multiplicity of slats controlled for angle by rotations of the angle control shaft, a slat angle controller having a gear mechanism provided between the operating rod and the angle control shaft, the gear mechanism comprising a first gear shaft extending diagonally in section of the head box, a second gear shaft extending longitudinally of the head box, and gears coupling the first and second gear shafts.

REFERENCES:
patent: 2175532 (1939-10-01), Kuyper
patent: 2224712 (1940-12-01), Balthasar
patent: 2369079 (1945-02-01), Schaefer
patent: 2948141 (1960-08-01), Vahlstrom
patent: 3194366 (1965-07-01), Hensel
patent: 4327797 (1982-05-01), Nakajima et al.
patent: 4406319 (1983-09-01), McNiel et al.
patent: 4522245 (1985-06-01), Anderson

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