Locks – Operating mechanism – Using a powered device
Reexamination Certificate
2006-02-28
2006-02-28
Gall, Lloyd A. (Department: 3676)
Locks
Operating mechanism
Using a powered device
C070S283000, C070S461000, C070S462000, C292S144000, C292S244000, C292S251500, C292SDIG060
Reexamination Certificate
active
07003993
ABSTRACT:
An electrified cylindrical lock having a reversible solenoid that can be easily changed over between fail safe and fail secure. The solenoid includes a coil and an armature that may be assembled for an active push or an active pull of a latch member. The latch member locks or unlocks the lock. The coil has a front end and a rear end. The front coil end always faces toward the latch member and the rear end always faces away from the latch member. The armature includes a magnetic slug. The slug is disposed at the rear coil end for the active push mode or disposed at the front coil end for the active pull mode.
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Schlage D-Series Knobs Service Manual D80PDEL, Rev. Aug. 2001, pp. 18-19, published 2001 by Ingersoll-Rand Architectural Hardware, International Division, Mississauga, Ontario, Canada.
Schlage D-Series Levers Service Manual D80BDEL, Rev. Aug. 2001, pp. 22-25, published 2001 by Ingersoll-Rand Architectural Hardware, International Division, Mississauga, Ontario, Canada.
Gall Lloyd A.
Gildea David R.
Menlo Patent Agency LLC
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