Panic exit door locking structure

Details Panic exit door locking structure Panic exit door locking structure

1974-07-05

1976-03-02

Kannan, Philip C.

Movable or removable closures

Operator for retractable sealing, guiding or locking strip

Interrelated with closure latch

49141, 49368, E06B 720, E05B 6510, E05C 1502

Patent

active

039408868

ABSTRACT:
A door locking structure forming a panic exit device consisting of an elongated housing recessed within the leading edge of a door structure, an operating rod including latch bolts disposed in said housing, an astragal seated within a channel formed in the leading edge of said housing, link members connecting said rod and said astragal and operating means carried by said housing operating said rod to move said astragal inwardly and outwardly of said channel, a plurality of cam headed lug members carried by said rod, a plurality of studs corresponding to said cam members extending rearwardly of said astragal whereby latching movement of said rods moves said cam members to engage their corresponding studs to hold said astragal in an outward or extended dead locked position.

REFERENCES:
patent: 928466 (1909-07-01), Lahart
patent: 1832592 (1931-11-01), Sweeley et al.
patent: 2015372 (1935-09-01), Yates
patent: 2083421 (1937-06-01), Bailey
patent: 2123107 (1938-07-01), Hodos
patent: 2610368 (1952-09-01), Tschaepe
patent: 3660940 (1972-05-01), Tavano

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