Lock with emergency unlocking mechanism

Details Lock with emergency unlocking mechanism Lock with emergency unlocking mechanism

2010-12-18

2011-11-15

Lugo, Carlos (Department: 3674)

Closure fasteners

Bolts

Multiple

C292S039000, C292S051000, C292S142000, C292S160000, C292S172000, C292S199000, C292S279000, C292S280000, C070S107000

Reexamination Certificate

active

08056941

ABSTRACT:
A door locking device for a door cooperating with a door frame includes a cylinder lock, at least one elongated bolt, and an emergency unlocking mechanism. The elongated bolt is adapted to move linearly to engage to and disengage from the door frame. A transmission including an operating wheel translates circular motion of a rotor of the cylinder lock to a linear motion of the elongated bolt. The emergency unlocking mechanism includes a gear arm connected to a handle and adapted to turn the operating wheel when the handle is turned, disengaging the elongated bolt from the door frame.

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patent: 2006/0191303 (2006-08-01), Shvarts
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