Closure fasteners – Keepers – With movable dog – catch or striker
Patent
1989-11-13
1991-01-22
Nicholson, Eric K.
Closure fasteners
Keepers
With movable dog, catch or striker
292201, E05C 1916
Patent
active
049865846
ABSTRACT:
An electrical release door strike includes: a carrier frame; a strike bolt carried by the frame for pivoting when released, allowing door opening, the bolt adapted to receive and resist door opening force prior to said pivoting; structure carried by the frame to release the strike bolt for such pivoting, including first, second and third arms; and the first arm movable from a first position blocking bolt pivoting to a second position allowing bolt pivoting to in turn allow door opening, the second arm movable from a primary position in which it holds the first arm in its first position to a secondary position in which it allows first arm movement to its second position, and the third arm movable from an initial position in which it holds the second arm in its primary position to a subsequent position in which it allows movement of the second arm to its secondary position.
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Adams Rite Manufacturing Company
Haefliger William W.
Nicholson Eric K.
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