Movable or removable closures – Operator for retractable sealing – guiding or locking strip – Interrelated with closure latch
Patent
1976-01-30
1977-03-01
Kannan, Philip C.
Movable or removable closures
Operator for retractable sealing, guiding or locking strip
Interrelated with closure latch
49366, 292 21, 292 92, 292185, E06B 720
Patent
active
040095371
ABSTRACT:
An automatic astragal assembly for inclusion or attachment to a door edge comprising an elongated astragal housing mounted on said door and having an outwardly opening longitudinal recess therein, an elongated astragal slidably mounted in said recess, means supporting said astragal in said recess for upward and inward relative movement in said housing in response to lifting of said astragal from lifting means mounted on an inside surface of said door, said lifting means including a lift slide mounted on said housing for reciprocal vertical movement and having an L-shaped slot defined therein with an interconnecting horizontal and vertical section and a dead lock pin engaged in said slot and secured to said astragal for elevating the same upon lifting movement of said slide, said vertical section of said slot and said dead lock pin engaging to prevent elevation of said astragal from pressure exerted against an outer edge of said astragal tending to force said astragal horizontally into said recess.
REFERENCES:
patent: 1391005 (1921-09-01), Palmer
patent: 2910857 (1959-11-01), Muessel
patent: 3487581 (1970-01-01), Ellingson, Jr.
patent: 3888046 (1975-06-01), Meisterheim
patent: 3940886 (1976-03-01), Ellingson, Jr.
Kannan Philip C.
Kawneer Company Inc.
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