Pulling device

Details Pulling device Pulling device

1982-11-09

1984-05-15

Caun, Peter M.

Flexible or portable closure, partition, or panel

Roll type

With rotating means

E06B 9208

Patent

active

044482337

ABSTRACT:
A pulling device for a roll shaft for roller blinds or screens comprises a cord pulley situated in a housing provided with a passage opening for cord parts. A clamp is disposed in a chamber in said housing and about the said cord parts, said clamp becoming operative when turning the cord pulley by the weight of the blind or screen.

REFERENCES:
patent: 54435 (1866-05-01), Stevens et al.
patent: 1472221 (1923-10-01), Jones
patent: 2308291 (1943-01-01), Lorentzen
patent: 2731111 (1956-01-01), Lorentzen
patent: 3424224 (1969-01-01), Lowe
patent: 3854517 (1974-12-01), Nakamura
patent: 4223714 (1980-09-01), Weinreich et al.
patent: 4323105 (1982-04-01), Berman

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