Movable or removable closures – Mounted for optional movements – One closure movable separately from or with other closure
Patent
1996-04-22
1998-04-07
Dorner, Kenneth J.
Movable or removable closures
Mounted for optional movements
One closure movable separately from or with other closure
49504, E05D 1548, E05F 1152
Patent
active
057350795
ABSTRACT:
A pet door assembly for insertion within a hole formed in a wall having a pair of exterior frames and an inner frame. The exterior frame members mount to opposite sides of the wall and define an opening for allowing passage of a pet. The central inner frame is located between the pair of exterior frames and define an opening generally aligned with the openings in the exterior frames. Each of the exterior frames includes a rear surface having a plurality of fastener sleeves extending outwardly therefrom. At least one of the sleeves has a longitudinally extending slot formed therein. Additionally, the central frame has at least one fastener bracket formed along opposed edges of the inner frame. The bracket includes one or more fastener-receiving apertures having a key portion that is configured to seat within the slot formed within the fastener sleeve. The mating engagement of the fastener sleeve and the key prevents movement of one or both of the exterior frames relative to the inner frame.
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Cohen Curtis
Dorner Kenneth J.
Laurentano Anthony A.
Smurzynski Thomas V.
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