| 摘要 |
A wrist band buckle having a trough-shaped casing which is securable by one open end to an end of a wrist band and has a cover hinged thereto at said end. A ratchet is formed in a side of the casing and a pair of plates hingedly interengaged at one end are slidably supported within the casing for limited movement into and out of its other end, with the hinged ends of the plates facing said other end. The upper of the plates has a hook at its free end for engaging an opening in the other end of the wrist band and is releasably engaged by said free end on the lower plate. The upper of the plates also has a resiliently connected pawl engagable on the ratchet and disengagable therefrom upon the lifting and disengagement of the hook-end of the upper plate from the lower plate.
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