Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type
Patent
1983-10-19
1985-09-17
Caun, Peter M.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Venetian blind type
E06B 938
Patent
active
045414688
ABSTRACT:
A tilter mechanism for a slatted blind where the mechanism has a worm gear rotatably mounted in a first mounting means and a toothed worm wheel rotatably mounted in a second mounting means and in normal meshing engagement with the worm gear. The toothed wheel has a consecutive series of teeth of lesser height than the remainder of the teeth. Resilient means are provided with at least one of the mounting means to allow the wheel to move relatively away from the gear so that the gear may slip over the shortened teeth to act as a slip clutch.
REFERENCES:
patent: 2493234 (1950-01-01), Dunn
patent: 2809531 (1957-10-01), Moyer
patent: 2849062 (1957-08-01), Bonsteel
patent: 4140169 (1959-02-01), Arena
Caun Peter M.
Hunter Douglas Inc.
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