Operating unit for a window covering

Details Operating unit for a window covering Operating unit for a window covering

2005-08-30

2005-08-30

Johnson, Blair M. (Department: 3634)

Flexible or portable closure, partition, or panel

Pleating type

With slide guides

C160S084020, C160S115000, C160S170000

Reexamination Certificate

active

06935398

ABSTRACT:
A window covering operating unit including a stationary mountable first profile, a stationary mountable second profile, a profile movable between the first and second profile; and window covering material which is mountable between the movable profile and the first or second profile, wherein the window operating unit includes a first rotatable winding shaft which is arranged in a stationary profile and on which can be wound and unwound a first winding cord engaging on the movable profile and wherein the window operating unit further includes a second rotatable winding shaft which is arranged in a stationary profile and on which can be wound and unwound a second winding cord engaging on the movable profile, wherein the second winding shaft extends adjacently of and substantially parallel to the first winding shaft.

REFERENCES:
patent: 6230784 (2001-05-01), Sanz et al.
patent: 6338377 (2002-01-01), Domel
patent: 672658 (1986-07-01), None

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