Movable or removable closures – Latch release of movement-stored energy
Reexamination Certificate
2005-06-28
2005-06-28
Strimbu, Gregory J. (Department: 3634)
Movable or removable closures
Latch release of movement-stored energy
C049S067000, C049S103000, C016S049000
Reexamination Certificate
active
06910302
ABSTRACT:
A door hold open and controlled release mechanism is designed for usage in a doorway system having an inner door, an outer door and a door closer. It includes a catch mechanism and a catch release mechanism. The catch mechanism holds the outer door, typically a screen door or storm door, in an open position against the closing tendency of the door closer. Movement of the inner door to an open position then toward a closed position triggers the catch release mechanism which allows the outer door to close under the urging of the door closer.
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