Sectional door track with improved roller access

Details Sectional door track with improved roller access Sectional door track with improved roller access

2007-10-24

2008-12-16

Miller, William L. (Department: 3677)

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

Panel hangers, travelers and/or tracks

Guide rollers

C016S09600D, C160S201000

Reexamination Certificate

active

07464438

ABSTRACT:
A sectional door track with improved access to rollers, and methods for using the device are disclosed herein. The sectional door track can be configured to house sectional door rollers operably connected to a sectional door. The door track includes a horizontal segment, a vertical segment, and a curved segment interspersed between horizontal and vertical segments. The door track also includes at least one access door operably connected to one or more of the horizontal and vertical segments of the track. In some embodiments, the access door can be operably connected to one or more of the horizontal and vertical segments of the track by a hinge. In some embodiments, the door track can optionally include a locking ring operably attached to the door track and a locking ring operably attached to the access door. A locking pin configured to slide through the door track locking ring and the access door locking ring to secure the access door in a closed position can also be included.

REFERENCES:
patent: 928137 (1909-07-01), Lewis
patent: 1902836 (1933-03-01), Johnson
patent: 3258062 (1966-06-01), Lambert
patent: 3484812 (1969-12-01), Holland
patent: 5887385 (1999-03-01), Horner et al.
patent: 6840300 (2005-01-01), Lewis, Jr.
patent: 7219392 (2007-05-01), Mullet et al.
patent: D554414 (2007-11-01), Sheppard
patent: 2003/0213093 (2003-11-01), Perks

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