Closure fasteners – Bolts – Sliding
Reexamination Certificate
2005-12-16
2009-10-27
Lugo, Carlos (Department: 3673)
Closure fasteners
Bolts
Sliding
C292S001500, C292S169000, C292S337000, C292SDIG060
Reexamination Certificate
active
07607701
ABSTRACT:
An adjustable door latch that enables one to adjust its length without removing any functionality from other areas of the door latch assembly. The improved door latch assembly includes a strike plate, adjustment head, adjustment stem, resilient member, and housing. The improved door latch utilizes a threaded adjustment head, which is screwed into an adjustment stem. The adjustment stem has a threaded aperture located on the front surface of a circular disc. The circular disc has at least one rib, which fits into the groove of a drum, this configuration prevents rotation of the circular disc when adjustment is necessary. The adjustment member and stem have apertures that allow one to thread the spindle of a door knob through the door latch assembly and to the other door knob.
REFERENCES:
patent: 671792 (1901-04-01), Comber
patent: 1720638 (1929-07-01), Wread
patent: 1720639 (1929-07-01), Wread
patent: 1724630 (1929-08-01), Wilson
patent: 1871633 (1932-08-01), Ter Meer
patent: 2937897 (1960-05-01), Soderberg
patent: 4662666 (1987-05-01), Wimmer
patent: 5123684 (1992-06-01), Yeh
patent: 5458382 (1995-10-01), Boadwine et al.
patent: 5489128 (1996-02-01), Florian
patent: 5957510 (1999-09-01), Kuo
Bodner & O'Rourke LLP
Lugo Carlos
O'Rourke Thomas A.
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