Versatile locking mechanism for postage meters
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United States of America Patent
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-
Mar 5, 1996
Grant Date -
N/A
app pub date -
Dec 1, 1993
filing date -
Dec 1, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A postal-lock mechanism for preventing unauthorized recharging of a postage meter and identifying tampering of a postage meter is disclosed. It contains a cylinder-like assembly mounted in the postage meter housing. The postage meter is 'locked,' i.e. made inaccessible for adding postage, when the postal-lock is in a predetermined angular position. To add postage to the meter, the postal-lock is rotated to activate a limit switch in the meter, subsequent to which action additional postage may be added, for example via keyboard. The postal-lock mechanism also locks the meter housing to the meter chassis, obviating the need for a separate locking mechanism. The postal-lock mechanism may be used in conjunction with a wire and lead seal, a frangible membrane, a wire and lead seal and a frangible membrane, a key lock, or a key lock and a wire and lead seal.
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