Crash protection device

Movable or removable closures – Up-and-over type; e.g. – moves from vertical to withdrawn...

Reexamination Certificate

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Details

C049S199000, C160S205000

Reexamination Certificate

active

06901703

ABSTRACT:
Doors and breakaway mechanisms for use with a door are disclosed. A disclosed door includes a panel; a guide located adjacent a doorway opening; a carriage; and a coupling releasably securing the carriage to the panel. The coupling releases the panel from the carriage in response to a breakaway force. The magnitude of the breakaway force is dependent on a condition such as the position of the door relative to the doorway or the position of a roller carried by the carriage.

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