Closing sheet for escape doors

Details Closing sheet for escape doors Closing sheet for escape doors

2005-07-05

2005-07-05

Bochna, David E. (Department: 3676)

Closure fasteners

Keepers

With movable dog, catch or striker

C292S092000, C292S340000, C292S341160, C070S092000

Reexamination Certificate

active

06913299

ABSTRACT:
The present invention relates to a locking device for doors with mortise sashlock and remote-controlled door opener or pull or push plates, intended to be openable without being influenced by the spring bolt. The invention is characterized in that the lock also comprises a stop (6) to achieve a blocking position for the spring bolt (3), which stop in closed position, with the dead-bolt in locking position keeps the stop in inactive position, and with the dead-bolt in unlocked position releases the stop to a position where, in cooperation with the spring bolt (3), it keeps the door closed.

REFERENCES:
patent: 352154 (1886-11-01), Rousseau
patent: 3638984 (1972-02-01), Davidson
patent: 3640560 (1972-02-01), Zawadzki et al.
patent: 3774422 (1973-11-01), Hogan et al.
patent: 3861727 (1975-01-01), Froerup et al.
patent: 3910617 (1975-10-01), Scalza et al.
patent: 4015869 (1977-04-01), Horvath
patent: 4017107 (1977-04-01), Hanchett
patent: 4026589 (1977-05-01), Hanchett, Jr.
patent: 4056277 (1977-11-01), Gamus et al.
patent: 4529234 (1985-07-01), Senften
patent: 4595220 (1986-06-01), Hanchett et al.
patent: 4626010 (1986-12-01), Hanchett et al.
patent: 4717909 (1988-01-01), Davis
patent: 4904005 (1990-02-01), Frolov
patent: 5040331 (1991-08-01), Merendino et al.
patent: 5195792 (1993-03-01), Stendal
patent: 5474342 (1995-12-01), Smith et al.
patent: 5484180 (1996-01-01), Helmar
patent: 5735559 (1998-04-01), Frolov
patent: 5757269 (1998-05-01), Roth et al.
patent: 5782509 (1998-07-01), Uyeda
patent: 5825288 (1998-10-01), Wojdan
patent: 6085465 (2000-07-01), Olberding et al.
patent: 6179351 (2001-01-01), Stendal
patent: 6568726 (2003-05-01), Caspi et al.
patent: WO 96/22578 (1996-08-01), None
patent: 9841717 (1998-09-01), None

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