Arrangement for guiding the deadlocking of a latch bolt in a...

Closure fasteners – Bolts – Sliding

Reexamination Certificate

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Details

C292S169000, C070S107000, C070S277000

Reexamination Certificate

active

07431354

ABSTRACT:
A door lock includes a latch bolt and an auxiliary bolt. A stop member is supported by the auxiliary bolt and is movable relative to the auxiliary bolt between a position in which it prevents a guide element moving to a position providing deadlocking of the latch bolt, while the auxiliary bolt is in a protruding position, and a position in which it allows the guide element to move to a position providing the deadlocking of the latch bolt. The stop member allows the guide element to move to the position providing deadlocking of the latch bolt only in case both the auxiliary bolt and the latch bolt are first moved to retracted positions.

REFERENCES:
patent: 5083448 (1992-01-01), Karkkainen et al.
patent: 5113676 (1992-05-01), Panossian
patent: 6125670 (2000-10-01), Fuss et al.
patent: 6302456 (2001-10-01), Errani
patent: 2006/0123859 (2006-06-01), Gonzalez
patent: 2007/0051143 (2007-03-01), Raatikainen et al.
patent: 3938655 (1990-05-01), None
patent: 19626745 (1997-10-01), None
patent: 19858174 (2000-06-01), None
patent: 1031686 (2000-08-01), None
patent: 83802 (1991-05-01), None
patent: 02066774 (2006-11-01), None

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