A method for locking an unlocked key in a box

TW202642053AActive Publication Date: 2026-10-16林信昌
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Patent Information

Application Number
TW114113328
Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-10-16
Estimated Expiration
2045-04-08

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  • Figure TWG2TA001080157_003
    Figure TWG2TA001080157_003
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Abstract

A method for locking an unlocked key in a box, comprising: (A) providing a box that has a box body, a box cover openably connected to the box body, and a lock body disposed within a storage space defined by the box body; (B) inserting a predecessor of key from the box body into a key hole located in the lock body and a key hole of the box body, so that an extending portion of the predecessor of key protrudes outside the box; (C) covering the box cover and the box body to rotate the extending portion of the predecessor of key for locking the box; (D) truncating a extending portion to leave a key in the box. (E) pushing the key into the storage space of the box.
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Claims

1. A method of manufacturing a lock that secures an unlocked key inside a box, comprising the following steps: (A) providing a box having a box body, a lid detachably connected to the box body, and a lock body disposed within a storage space defined by the box body; (B) inserting a key protrusion from the box body into a keyhole of the lock body and a keyhole of the box body, such that an extension of the key protrusion protrudes outside the box; (C) closing the lid and engaging it with the box body, and rotating the extension of the key protrusion to lock the box; (D) cutting off a portion of the extension to leave a key inside the box; (E) pushing the key into the storage space of the box.

2. The manufacturing method for locking the unlocked key inside the box as described in claim 1, wherein: In step (C), the extension of the key precursor is non-cylindrical, and the extension is rotated using an auxiliary tool.

3. The manufacturing method for locking the unlocked key inside the box as described in claim 1, wherein, Between step (B) and step (C), the following steps are also included: (F) After the key precursor is inserted into the keyhole, a thin rope is wrapped around one end of the key precursor and opposite to the extension and a rotating part with a through hole, so that both ends of the thin rope protrude outside the box.

4. A manufacturing method for locking the unlocked key inside a box as described in claim 3, wherein: In step (D), the key precursor also includes a shaft and a narrowing section. The extension transitions to the shaft via the narrowing section, the two ends of the string are tightened, a portion of the extension is cut off from the narrowing section, and the remaining extension becomes a stump, leaving the key inside the box.

5. The manufacturing method for locking the unlocked key inside the box as described in claim 4, wherein, Between step (D) and step (E), the following steps are also included: (G) After cutting off a portion of the extension, the ends of the rope are tightened and the stubble is smoothed with a file.