Lift cord spool for coverings for architectural openings

Details Lift cord spool for coverings for architectural openings Lift cord spool for coverings for architectural openings

2007-01-09

2007-01-09

Purol, David (Department: 3634)

Flexible or portable closure, partition, or panel

Pleating type

With preformed pleats

C160S170000

Reexamination Certificate

active

10874490

ABSTRACT:
A spool forming part of a lift cord drum for a covering for an architectural opening has a generally cylindrical body about which the lift cord is adapted to be wrapped and a frustoconical end encouraging the wrapped cord to shift in a predetermined direction. A longitudinal slot in the cylindrical body retains one end of the lift cord and allows the end of the lift cord to slide along the slot as wrapped cord is increased or decreased so as to minimize the possibility of the cord becoming entangled in itself.

REFERENCES:
patent: 4484613 (1984-11-01), Timoschuk
patent: 5320154 (1994-06-01), Colson et al.
patent: 5328113 (1994-07-01), de Chevron Villette et al.
patent: 6129131 (2000-10-01), Colson
patent: 6325131 (2001-12-01), Dekker et al.
patent: 6588480 (2003-07-01), Anderson
patent: 6622769 (2003-09-01), Judkins
patent: 6655441 (2003-12-01), Wen et al.
patent: 6659156 (2003-12-01), Wen et al.
patent: 2004-308371 (2004-11-01), None

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