Venetian blind drive control

Details Venetian blind drive control Venetian blind drive control

1980-11-17

1983-09-27

Caun, Peter M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

E06B 9307

Patent

active

044063199

ABSTRACT:
A drive control apparatus interconnects with a venetian blind slat ladder assembly for positioning the blind slats at any desired angular relationship and includes a detent that is moved during slat positioning and when a limit stop is reached exerts a back pressure onto the drive apparatus. When the back pressure exceeds a predetermined amount, this causes the drive shaft to overcome a retarding leaf spring pressure and thereby slip rather than drive the slat ladders.

REFERENCES:
patent: 2688857 (1954-09-01), Jones
patent: 2709488 (1955-05-01), Lorentzen
patent: 3347062 (1967-10-01), Schumann et al.
patent: 3605852 (1971-09-01), Vecchiarelli
patent: 3921695 (1975-11-01), Debs
patent: 4306608 (1981-12-01), Frentzel et al.
patent: 4332288 (1982-06-01), Frentzel et al.

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