Rolling mechanism for window blind

Details Rolling mechanism for window blind Rolling mechanism for window blind

2007-12-25

2007-12-25

Johnson, Blair M. (Department: 3634)

Flexible or portable closure, partition, or panel

Plural and/or with rigid closure

Roll type

C160S084050, C160S302000

Reexamination Certificate

active

10917363

ABSTRACT:
A rolling mechanism includes a base frame fastened to a top side of a window and having a coupling flange, a roller rotatably mounted below the base frame for stationary rotation and having a locating groove on its periphery, and at least one constraint member having a coupling portion pivotally coupled to the coupling flange of the base frame and a constraint portion extending from the coupling portion for engaging the locating groove of the roller and further limiting the rotary direction of the roller to one direction only.

REFERENCES:
patent: 1153015 (1915-09-01), Bauer
patent: 1171215 (1916-02-01), Lane
patent: 1240179 (1917-09-01), Cunningham
patent: 4958458 (1990-09-01), Hillstrom et al.
patent: 5855235 (1999-01-01), Colson et al.
patent: 6299115 (2001-10-01), Kovach et al.
patent: 2001/0001414 (2001-05-01), Colson et al.
patent: 2005/0194104 (2005-09-01), Nien
patent: 09320403160 (2004-05-01), None

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