| 摘要 |
A safety lock for use in connection with large chain-driven machines, such as die cutting and platen press machines, which positively prevents movement of the various cooperating moving parts of the machine when the machine is in a stopped, set-up position. The safety lock, when in the locking position, securely engages one or more of the sprocket wheels of the machine in a manner to positively prevent accidental rotation thereof.
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