Mechanical Sciences
Mechanical Sciences
Mechanical Sciences
Articles | Volume 13, issue 2
Articles | Volume 13, issue 2
https://doi.org/10.5194/ms-13-791-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ms-13-791-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 13, issue 2
Research article
 | 
06 Oct 2022
Research article |  | 06 Oct 2022

Structural analysis of traditional Chinese blocked-keyhole padlocks

Yang Zhang, Hsin-Te Wang, Jian-Liang Lin, Chin-Fei Huang, and Kuo-Hung Hsiao

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Short summary
Barbed-spring padlocks are the typical locks used in ancient China, and can be divided into three main types, namely open-keyhole, hidden-keyhole, and blocked-keyhole padlocks. With the combinations and changes of springs, keys, and keyholes, the padlocks have a variety of different unlocking methods which provide higher security. Six examples are provided to demonstrate the opening processes of blocked-keyhole padlocks.
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