| 摘要 |
A base-lock type font holder for imprinting apparatus of the impacting type, the holder comprising selectively spreadable aligned parallel rows of base lock segments which are clamped together within the outwardly opening cavity of a carrier body with the type font seated therein. An internally spring biased ratchet like arrangement facilitates both clamping and retention of the type font therein immovably during as many as several million impacts effected by the imprinting apparatus. The ratchet-like arrangement includes a pair of free-mounted miniature puck members seated at opposite ends of a coil spring, together seated in bearing relation to clamping screws employed to secure the segments within the cavity, and said screws being capable of manual manipulation against the spring bias selectively to spread or clamp said segments.
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