Door assembly with concealed door closer

Details Door assembly with concealed door closer Door assembly with concealed door closer

2007-05-22

2007-05-22

Sandy, Robert J. (Department: 3677)

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Checks and closers

Hinge

C016S068000, C049S348000

Reexamination Certificate

active

10807021

ABSTRACT:
A door assembly and a door closer arranged and constructed so as to be wholly concealed within the associated door, yet is rendered readily accessible to effect the adjustment thereof to regulate or control the closing speed of the associated door. The door closer is capable of performing all of the functions expected of a door closer such as controlling the closing force, regulating the door closing speed and the arresting of the door in a predetermined opened position.

REFERENCES:
patent: 1898609 (1933-02-01), Anderson
patent: 2903733 (1959-09-01), Schroeder
patent: 3143757 (1964-08-01), Quinn
patent: 3707014 (1972-12-01), Koivusalo
patent: 4429491 (1984-02-01), Bruns
patent: 5170530 (1992-12-01), Kopec et al.
patent: 5956806 (1999-09-01), Tutikawa
patent: 6223469 (2001-05-01), Moll
patent: 6681525 (2004-01-01), Dudley
American National Standards Institute Bulletin on Door Closer, pp. 9 to 12.

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