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The cylinder lock system addresses the challenge of accommodating different box lock specifications by incorporating a displacement transmission member attachment portion, allowing for versatile use of a single cylinder lock main body across various specifications while maintaining secure key compatibility.

JP7682960B2Active Publication Date: 2025-05-26LIXIL CORP
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Patent Information

Application Number
JP2023130724
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2023-10-19
Publication Date
2025-05-26
Estimated Expiration
2040-05-25

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Abstract

To provide a cylinder lock that is allowed to be applied, without its specification remains unchanged, to a box lock with various specifications.SOLUTION: A cylinder lock 1 includes: a cylinder lock body section 3; a key insertion section 5 which is provided on one end side of the cylinder lock body section 3 and into which a key is inserted; a plurality of types of displacement transmission members 13 corresponding to respective box locks with a plurality of specifications; and a displacement transmission member attachment section 310 which is provided on the other end side of the cylinder lock body section 3 and to which each of the displacement transmission members 13 can be attached, the displacement transmission member attachment section 310 being capable of detachably being attached with each of the plurality of types of displacement transmission members 13, the cylinder lock body section 3 having a key hole 29 connected to the key insertion section 5, the key hole 29 being formed so as to conform to any of a plurality of cylinder locks having different lengths in the axial direction of the cylinder lock body section 3, any of the plurality of cylinder locks 1 having different lengths in the axial direction of the cylinder lock body section 3, being capable of being locked / unlocked by one common key.SELECTED DRAWING: Figure 6
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Citation Information

Patent Citations

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    JP1995043476U

  • Replacing device of cylinder lock in lock device

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