Electronic lock for safes
First Claim
Patent Images
1. A safe and electronic lock combination comprising:
- A safe enclosure comprising a side wall and an access door;
an access door mounted bolt mechanism comprising a movable bolt moving parallel to the access door face to a first movable bolt position in which the movable bolt engages a bolt capture mechanism when the access door is properly closed;
an electronic controller; and
a side wall mounted electronic lock comprising a bolt position sensor assembly to sense the movable bolt in the first movable bolt position, a movable plunger having a first movable plunger position in which the movable plunger engages the movable bolt and secures the movable bolt in the first movable bolt position locking the access door, and a movable plunger position sensor assembly to sense the first movable plunger in the first movable plunger position.
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Abstract
An electronic lock with an electronic sensing arrangement to accurately sense relative positions of a bolt which mechanically locks a door, such as a door of an electronic drop safe, and to also sense an electronically controlled plunger which locks the bolt in place. The arrangement provides a mechanism for sensing a variety of mechanical malfunctions, as well as, potential fraud or tampering situations.
35 Citations
17 Claims
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1. A safe and electronic lock combination comprising:
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A safe enclosure comprising a side wall and an access door; an access door mounted bolt mechanism comprising a movable bolt moving parallel to the access door face to a first movable bolt position in which the movable bolt engages a bolt capture mechanism when the access door is properly closed; an electronic controller; and a side wall mounted electronic lock comprising a bolt position sensor assembly to sense the movable bolt in the first movable bolt position, a movable plunger having a first movable plunger position in which the movable plunger engages the movable bolt and secures the movable bolt in the first movable bolt position locking the access door, and a movable plunger position sensor assembly to sense the first movable plunger in the first movable plunger position. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An electronic lock and enclosure combination comprising:
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an electronic lock configured to capture a movable bolt; an enclosure enclosing the electronic lock; a dual purpose movable bolt position sensor assembly sensing both a position of the movable bolt and an effort to tamper with the position of the movable bolt from outside the enclosure and producing sensor outputs; and an electronic controller sensing positioning of the movable bolt and evaluating said sensor outputs to detect the effort to tamper with the position of the movable bolt from outside the enclosure. - View Dependent Claims (9, 10)
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11. An electronic lock and enclosure combination comprising:
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an electronic lock having a movable plunger, the electronic lock configured to capture a movable bolt in a first position with the movable plunger; an enclosure enclosing the electronic lock; a dual purpose movable plunger position sensor assembly sensing both a position of the movable plunger and an effort to tamper with the position of the movable plunger from outside the enclosure and producing sensor outputs; and an electronic controller sensing positioning of the movable plunger and evaluating said sensor outputs. - View Dependent Claims (12, 13, 14, 15)
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16. An electronic lock and enclosure combination comprising:
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an electronic lock having a movable plunger, the electronic lock configured to capture a movable bolt in a first position with the movable plunger; an enclosure enclosing the electronic lock; a dual purpose movable plunger position sensor assembly sensing both a position of the movable plunger and an effort to tamper with the position of the movable plunger from outside the enclosure and producing sensor outputs; and an electronic controller sensing positioning of the movable plunger and evaluating said sensor outputs, wherein the dual purpose movable plunger position sensor assembly further comprises a light sensor for detecting an inappropriate level of ambient light when the movable plunger has captured the movable bolt. - View Dependent Claims (17)
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Specification