Locking device and electric lock, lock assembly, drop-box and delivery system and method including same
First Claim
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1. A locking device comprising:
- a drive motor connected to a finite power supply, said drive motor comprising a shaft and a predetermined number of windings; and
a threaded rod axially connected to said shaft, said rod comprising a predetermined thread pitch, wherein at least one of said number of windings and said thread pitch are selected to optimize a power consumption of said locking device.
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Abstract
A locking device locking device (e.g., lock and lock assembly) includes a drive motor connected to a finite power supply, the drive motor including a shaft and a predetermined number of windings, and a threaded rod axially connected to the shaft, the rod having a predetermined thread pitch. The number of windings and/or the thread pitch are selected to maximize a life of the finite power supply.
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Citations
20 Claims
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1. A locking device comprising:
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a drive motor connected to a finite power supply, said drive motor comprising a shaft and a predetermined number of windings; and
a threaded rod axially connected to said shaft, said rod comprising a predetermined thread pitch, wherein at least one of said number of windings and said thread pitch are selected to optimize a power consumption of said locking device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 17, 18, 19)
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8. An electric lock comprising:
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a drive motor having a finite power supply, said drive motor comprising a shaft and a predetermined number of windings;
a threaded rod axially connected to said shaft, said rod comprising a predetermined thread pitch, a traveller comprising a threaded bore which mates with said threaded rod so that rotation of said threaded rod causes said traveller to move along an axis of said threaded rod; and
a lock member which contacts said traveller, wherein at least one of said number of windings and said thread pitch are selected to maximize a life of said finite power supply.
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9. An electric lock assembly comprising:
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a drive motor connected to a first member and having a finite power supply, said drive motor comprising a shaft and a predetermined number of windings;
a threaded rod axially connected to said shaft, said rod comprising a predetermined thread pitch, a traveller comprising a threaded bore which mates with said threaded rod so that rotation of said threaded rod causes said traveller to move along an axis of said threaded rod;
a lock member which contacts said traveller, said lock member having a leading end; and
a strike connected to a second member, said strike having an opening for receiving said leading end so as to lock said first and second members, wherein at least one of said number of windings and said thread pitch are selected to maximize a life of said finite power supply. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 20)
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Specification