In mechanical applications. In a lock: †A pivoted piece through which the pressure of a spring was transmitted to the tail of the bolt, tending…
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| 释义 | society > occupation and work > equipment > building and constructing equipment > fastenings > [noun] > lock > tumbler (3) tumbler1678 In mechanical applications. In a lock: †A pivoted piece through which the pressure of a spring was transmitted to the tail of the bolt, tending… Chubb1833 In full Chubb's lock, Chubb-lock: a patent lock with tumblers and, in addition, a lever called a detector, which fixes the bolt immovably when one… tumbler lock1833 |
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