Tilter apparatus for a slatted window covering

Details Tilter apparatus for a slatted window covering Tilter apparatus for a slatted window covering

1985-04-11

1987-06-30

Britts, Ramon S.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

160177, E06B 9307

Patent

active

046762922

ABSTRACT:
A venetian blind tilter mechanism housing has a first surface which bears against the front wall of the headrail, and a longitudinally extending slot on the surface facing the headrail back wall forming a spring plate which fits under a downwardly turned headrail back wall edge securing the housing within the headrail. The tilter mechanism has a spur gear received onto a control axle for common rotation. The spur gear has a smooth peripheral portion extending for a substantial angular extent that lacks gear teeth with conventional gear teeth over the remainder. An elongated shaft with a worm gear extends upwardly into the housing through an opening in the headrail bottom wall for meshing engagement with the spur gear.

REFERENCES:
patent: 3333905 (1967-08-01), Hennequin
patent: 3630264 (1971-12-01), Debs
patent: 3828838 (1974-08-01), Anderle et al.
patent: 3921695 (1975-12-01), Debs
patent: 4143699 (1979-03-01), Marotto
patent: 4245687 (1981-01-01), Vecchiarelli
patent: 4352385 (1982-10-01), Vecchiarelli
patent: 4531563 (1985-07-01), Nilsson

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