Automatic door closure for breakout sliding doors and patio...

Details Automatic door closure for breakout sliding doors and patio... Automatic door closure for breakout sliding doors and patio...

2008-08-01

2011-11-29

Mah, Chuck Y. (Department: 3677)

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Closers

Weight

Reexamination Certificate

active

08065779

ABSTRACT:
A sliding door automatic closing device is provided whereby a cylindrical tube is attached to the sliding door and a pulley housing is rotateably mounted to the top of the cylindrical tube. A cable is attached at one end to a cable housing, the housing mounted onto the frame header, and the cable is attached at a second end to a weight within the cylindrical tube. The bearing-mounted pulley housing allows the sliding door panel to breakout when needed and then be returned to its original position for continual use of the automatic closing feature without any mechanical adjustments. The bearing-mounted pulley housing, cable, and cable housing all remain in their original planar positions relative to the sliding door panel header; that is, these components do not breakout along with the sliding door panel.

REFERENCES:
patent: 617159 (1899-01-01), Hogan et al.
patent: 3334444 (1967-08-01), Hargrove
patent: 4003102 (1977-01-01), Hawks et al.
patent: 4649598 (1987-03-01), Kinsey et al.
patent: 4884369 (1989-12-01), Tatham
patent: 4891911 (1990-01-01), Yung
patent: 5285596 (1994-02-01), Kinsey
patent: 5579607 (1996-12-01), Braid
patent: 9940143 (2000-02-01), None
patent: 19513742 (1996-10-01), None

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