Lock apparatus and method
First Claim
Patent Images
1. A recodeable lock comprising:
- a housing;
a lock cylinder positioned at least partially within the housing;
a plurality of tumblers positioned at least partially within the lock cylinder;
a plurality of code blocks engaging the plurality of tumblers;
a sidebar engaging at least one of the lock cylinder and the housing; and
a codebar coupled to the sidebar, the codebar removably inserted between the plurality of code blocks to selectively inhibit relative movement between the code blocks and the codebar.
1 Assignment
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Accused Products
Abstract
Lock assembly and method of coding and recoding locks. Some embodiments of a lock include a housing, a lock cylinder, a plurality of tumblers, a plurality of codebars, and a sidebar. Some embodiments of a lock include a housing, a lock cylinder, a plurality of tumblers, a plurality of code blocks, a sidebar, and a codebar.
395 Citations
67 Claims
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1. A recodeable lock comprising:
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a housing; a lock cylinder positioned at least partially within the housing; a plurality of tumblers positioned at least partially within the lock cylinder; a plurality of code blocks engaging the plurality of tumblers; a sidebar engaging at least one of the lock cylinder and the housing; and a codebar coupled to the sidebar, the codebar removably inserted between the plurality of code blocks to selectively inhibit relative movement between the code blocks and the codebar. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A recodeable lock comprising:
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at least one tumbler that engages a key; at least one code block that engages the at least one tumbler; a codebar that moves between a coded position engaged with the at least one code block and an uncoded position disengaged from the at least one code block; a sidebar coupled to the codebar; and a housing including a notch, the sidebar engaged with the notch when an unauthorized key is inserted into a key slot, the sidebar disengaged from the notch when an authorized key is inserted into the key slot. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A recodeable lock comprising:
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a housing; a lock cylinder positioned at least partially within the housing; a plurality of tumblers positioned at least partially within the lock cylinder; a plurality of code blocks engaging the plurality of tumblers; a sidebar engaging at least one of the lock cylinder and the housing; a codebar coupled to the sidebar, the codebar removably inserted between the plurality of code blocks; and a liftbar coupled to the housing, the liftbar removing and inserting the codebar between the code blocks. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38)
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39. A recodeable lock comprising:
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a housing; a lock cylinder positioned at least partially within the housing; a plurality of tumblers positioned at least partially within the lock cylinder; a plurality of code blocks engaging the plurality of tumblers; a sidebar engaging at least one of the lock cylinder and the housing; and a codebar coupled to the sidebar, the codebar removably inserted between the plurality of code blocks, wherein the codebar includes an appendage for substantially direct engagement with a tool. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47)
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48. A recodeable lock comprising:
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at least one tumbler that engages a key; at least one code block that engages the at least one tumbler; a codebar that moves between a coded position engaged with the at least one code block and an uncoded position disengaged from the at least one code block; a sidebar coupled to the codebar; and a housing including a notch, the sidebar engaged with the notch when an unauthorized key is inserted into a key slot, the sidebar disengaged from the notch when an authorized key is inserted into the key slot; wherein the codebar includes at least one post, the at least one post including at least one set of serrations. - View Dependent Claims (49, 50, 51, 52, 53, 54, 55, 56, 57)
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58. A recodeable lock comprising:
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at least one tumbler that engages a key; at least one code block that engages the at least one tumbler; a codebar that moves between a coded position engaged with the at least one code block and an uncoded position disengaged from the at least one code block; a sidebar coupled to the codebar; a housing including a notch, the sidebar engaged with the notch when an unauthorized key is inserted into a key slot, the sidebar disengaged from the notch when an authorized key is inserted into the key slot; and a liftbar, the liftbar engaging the codebar and moving the codebar between the coded position and the uncoded position. - View Dependent Claims (59, 60, 61, 62, 63, 64, 65, 66, 67)
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Specification