Clutch for a vertical louvre blind

Details Clutch for a vertical louvre blind Clutch for a vertical louvre blind

1984-02-16

1990-05-29

Purol, David M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

160177, 160900, E06B 938

Patent

active

049287443

ABSTRACT:
A clutch for a vertical louvre blind including an inner sleeve 20 mountable on a tilt rod 21 which is provided with longitudinally extending grooves 22. Keys 23 engage in the grooves 22 and the inner sleeve 20 is provided with three tongues 26 at the same circumferential location as the keys so that they can flex into the grooves 22. An outer sleeve 30 is provided with internal splines 32 engageable with a tooth 27 on each tongue.

REFERENCES:
patent: 3996988 (1976-12-01), de Wit
patent: 4293021 (1981-10-01), Arena
patent: 4306608 (1981-12-01), Frentzel et al.
patent: 4332288 (1982-06-01), Frentzel et al.
patent: 4335775 (1982-06-01), Frentzel et al.
patent: 4350197 (1982-09-01), Haller
patent: 4381811 (1983-05-01), Frentzel et al.

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