Door swinging device for automatically swinging doors

Details Door swinging device for automatically swinging doors Door swinging device for automatically swinging doors

1984-01-16

1985-11-12

Downey, Kenneth

Movable or removable closures

With operator for movably mounted closure

Operating lever or link and closure swing about parallel axes

49345, 49346, E05F 1124

Patent

active

045519463

ABSTRACT:
A door swinging device for automatically swinging a door hinged to a door supporting frame so as to be angularly movable about a vertical axis. The door swinging device includes: (a) a mechanism for rotating; (b) an arm member adapted to be attached at one end thereof to the rotating mechanism so as to be rotated in a plane; (c) a slider rotatably connected to the other end of the arm member; and (d) a guiding mechanism, adapted to be attached to one of the door and the door supporting frame, for guiding slidably the slider in a direction parallel with the plane.

REFERENCES:
patent: 1335429 (1920-03-01), Danielson
patent: 1865925 (1932-07-01), Kunde
patent: 2961234 (1960-11-01), Munro
patent: 3878646 (1975-04-01), Crocker

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