Movable or removable closures – Up-and-over type; e.g. – moves from vertical to withdrawn...
Reexamination Certificate
2011-03-15
2011-03-15
Mitchell, Katherine (Department: 3634)
Movable or removable closures
Up-and-over type; e.g., moves from vertical to withdrawn...
C160S201000, C049S449000, C016SDIG010, C016SDIG043
Reexamination Certificate
active
07905056
ABSTRACT:
Brackets mounted to the corners of a garage door improve the strength of a garage structure in the event of an earthquake. As the garage sways during the earthquake, the door frame contacts the brackets mounted at the upper corners of the door. The brackets transfer shear forces from the frame to the door. Additional brackets mounted at the bottom corners of the door contact the lower portions of the frame and stop the horizontal movement of the garage door. By using the door to transfer the shear forces, the strength of the garage door frame is substantially improved.
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Cahn Daniel
Dergosits & Noah LLP
Mitchell Katherine
The City and County of San Francisco
LandOfFree
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