Roller screen unit

Details Roller screen unit Roller screen unit

1979-07-25

1982-08-24

Bonck, Rodney H.

Flexible or portable closure, partition, or panel

Roll type

With brake or stop

E06B 9208

Patent

active

043456367

ABSTRACT:
A roller screen unit including an outer sleeve, an intermediate sleeve loosely received in the outer sleeve, a core member loaded with an elongated spiral spring and received in the intermediate sleeve, a clutch mechanism connected to one end of the core member in association with the outer sleeve and a screen member wound around the outer roller sleeve is disclosed. The clutch mechanism includes a stator member and a rotator member turnably mounted on the stator member through one or more ball members to perform a function of the clutch on operation of the unit.

REFERENCES:
patent: 953842 (1910-04-01), Kaiserman
patent: 1352410 (1920-09-01), Horton
patent: 1395297 (1921-11-01), Reardon
patent: 3521694 (1970-07-01), Anderson
patent: 3763916 (1973-10-01), Gossling
patent: 4009745 (1977-03-01), Erpenbeck
patent: 4250942 (1981-02-01), Dreher et al.

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