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簧片鎖為古中國最典型的鎖具，
由鎖體、具有鎖樑與分離彈簧
片的鎖栓、以及鑰匙所組成。
鎖體提供了鎖匙孔，讓鑰匙插
入，並導引鎖栓作動；鎖栓的
一部分為鎖樑，用以掛鎖，另
一部分為栓梗，用以固結分離
彈簧片的一端；鑰匙則是根據
鑰匙孔的位置與形狀、及彈簧
片的構形而設計。上鎖時，鎖
栓上之彈簧片因彈力的作用而
張開，弓卡在鎖體的壁內；開
鎖時，鑰匙頭恰可擠壓鉗制張
開的彈簧片，使鎖栓滑動與鎖
體分離。由於簧片鎖是利用簧
片弓卡在鎖體壁內而上鎖的，
所以亦稱為「撐簧鎖」。
The most typical ancient Chinese
lock is the splitting spring lock. It
consists of a lock-body, a sliding
bolt, and a key. The lock-body
provides a keyhole for the key to
insert and the supporting guide for
the sliding bolt to move. The sliding
bolt has a shackle for hanging the
lock and a stem for bonding one
end of the splitting springs. The
key is designed corresponding to
the configuration of the splitting
springs, and the location and shape
of the keyhole. When it is locked,
the sliding bolt is trapped by the
opening splitting springs against
the inner wall of the lock-body. For
opening, the key is inserted and its
head squeezes the opening splitting
springs so that the sliding bolt can be
separated from the lock-body. The
splitting spring lock is also called
"prop-open spring lock" because
it functions with the trapping and
propping up of springs against the
inner wall of the keyhole.