Latch bolt operating device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 3, 1998
Grant Date -
N/A
app pub date -
Apr 8, 1996
filing date -
Apr 8, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A latch bolt operating device is adapted for use with a latch bolt unit that is installed in a door panel, and includes exterior and interior operating units. The exterior operating unit includes a key-operated plug-and-cylinder lock assembly, and an exterior housing having an outer annular cover, an inner annular cover and an annular shield. The outer annular cover has a rear end portion formed with a first annular shoulder. The inner annular cover is received in the outer annular cover and has a rear end portion formed with a second annular shoulder. The annular shield extends into the rear end portion of the inner annular cover and has a peripheral portion which engages the second annular shoulder when the latter is bent. The interior operating unit includes a torque bar and an interior housing. The torque bar can be positioned releasably in a first position corresponding to an extended position of a bolt of the latch bolt unit and a second position corresponding to a retracted position of the bolt.
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