Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2011-05-24
2011-05-24
Mehmood, Jennifer (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S693600
Reexamination Certificate
active
07948389
ABSTRACT:
An electronic device, for example a smoke alarm, that includes a battery carrier that includes a push to open and push to close apparatus for opening and closing the carrier. In one embodiment, the carrier is mounted so as to be pivotable between a closed position and an open position. Pivoting movement of the carrier is controlled by a double acting latch mechanism that includes at least one heart-shaped cam groove and at least one cam follower engaging with the cam groove. The carrier is a simple to access and operate to facilitate replacement of the battery. A lockout mechanism can also be provided to prevent closure of the carrier without a battery installed. In addition, a tamper resist mechanism can be provided to prevent the carrier from being opened when the carrier is at the closed position.
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DeLuca Joseph G.
Ratzlaff Larry R.
Sharpe Jason M.
Kinney & Lange , P.A.
Mehmood Jennifer
Walter Kidde Portable Equipment Inc.
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