| 摘要 |
Machine which comprises two superposed bodies with suitable means for temporary connection, each one of which allows the reproduction of different types of keys, being able to operate alternately and superposed or, alternatively, independently. The machine comprises a system of guides of a displaceable carriage carrying the body with a pair of jaws for securing the model key and the sheet with which said key will be copied. In addition, provision is made on the machine for a system for rounding the teeth of the keys of the throats with the ability to move, in an arc, the cutting wheel [cutter] closer to and further away from the key whose teeth are to be rounded. <IMAGE>
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