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簧片鎖之鑰匙頭的形狀多
樣化，有平面者、亦有立體者，
其設計是為了讓鑰匙插入鎖孔、
並配合彈簧片的構形擠壓鉗制
簧片以開鎖。平面鑰匙頭的形
狀，可分為完全包合、不完全
包合、及不包合等三種設計；
立體鑰匙頭的形狀則不一，但
擠壓鉗制彈簧片之方法大多採
用完全不包合的設計。
The key-heads of splitting
spring locks could be either of planar
shapes or spatial shapes for the
purposes of entering the keyholes
and squeeze on the splitting springs
t o open t he l ocks . The r e a r e
numerous shapes of key-heads for
various ancient Chinese locks. The
shapes of planar key-heads include
total -enclosure design, par t ial -
enclosure design, and non-enclosure
design. Spatial key-heads come
in various shapes. However, non-
enclosure designs are normally used
for squeezing the splitting springs.
‧平面鑰匙頭 - 不完全包合
Planar key-head: Partial-enclosure
‧平面鑰匙頭 - 不包合
Planar key-head: Non-enclosure
‧平面鑰匙頭 - 完全包合
Planar key-head: Total-enclosure
‧立體鑰匙頭
Spatial key-head