DEADBOLT LOCK DEVICE WITH A REINFORCED HOUSING
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United States of America Patent
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N/A
Issued Date -
May 29, 2008
app pub date -
Nov 23, 2007
filing date -
Nov 24, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A deadbolt lock device includes a housing having an inner case covered by an outer case, and an adaptor connected to the inner case. The inner case has an annular flange projecting inwardly from an open end thereof in a direction toward the adaptor, and an annular rib projecting transversely from the annular flange. The annular rib defines a through hole receiving a key-operated lock unit. The annular rib has an annular edge surrounding the lock unit and extends inclinedly from the juncture of the annular rib and the annular flange to the annular edge along directions inclining toward the open end. The annular rib is inclined with respect to a plane intersecting perpendicularly an axis of the lock case. The inclined annular rib provides an increased resistance to destructive forces.
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